Abstract

The optical properties of optical fibers doped with different sizes of PbSe/CdSe core/shell quantum dots (QDs) were theoretically investigated as a function of fiber length, fiber diameter, QD concentration, and pump power. PbSe/CdSe core/shell QD material was confirmed to be a better candidate for the fiber dopant due to enhanced fiber output spectral intensity compared with the performance of plain PbSe QDs. Besides, the stronger size effect depending on fiber size and QD size, and a more obvious Auger recombination effect depending on pump power, were observed for PbSe/CdSe core/shell QD-doped optical fibers. This paper demonstrates a useful method for the emission enhancement of QD-doped optical fibers.

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

1. Introduction

Quantum dot (QD)-doped optical fibers have been intensively studied [1–3], owing to the doping materials’ tunability of the emission wavelength over a wide region by changing their composition and particle size [4–6], and their extensive applications, such as QD-doped optical fiber based photonic sources, lasers [7], amplifiers [8–12], sensors [13,14], solar cells [15–17] and LEDs [18,19]. Many studies have focused on the optical property of PbSe QD-doped optical fibers and have made some achievements in the past few decades. For example, Cheng et al. synthesized sodium-aluminum-borosilicate glass doped with PbSe QDs which can apply to designing novel broadband fiber amplifiers [20]. Watekar et al. reported linear and nonlinear optical properties of the PbSe QD doped germano-silica glass optical fiber [21]. Theoretical calculations of signal gain for PbSe QD-doped fiber amplifiers have been reported by Cheng et al. [22] and Bahrampour et al. [12] in a single-mode condition and an inhomogeneous model, respectively. Zhang et al. [23,24] simulated the optical property of PbSe QD-doped optical fiber and investigated a comprehensive size effect and Auger recombination effect. Also, the corresponding experimental studies can be consulted from scientific literature [25–28]. However, PbSe QD materials still have inevitable drawbacks, such as low stability in air [29], small Stokes shift and short fluorescence lifetime, which restrict the emission intensity, and in turn limit their applications. In recent years, with the development of synthesis technology for core/shell QDs, especially the further maturation of ion-exchange method, study on formation and characterization of core/shell QDs has been highly concerned. Researchers have successfully synthesized PbSe/CdSe core/shell QDs using several different methods and have proved that the stability of PbSe QDs can be dramatically improved by the formation of CdSe shell [30–33]. However, study on the property of PbSe/CdSe core/shell QD-doped optical fiber is rare or even difficult to consult from literature, although core/shell QD materials exhibit excellent optical properties compared with plain PbSe QDs.

In this work, PbSe/CdSe core/shell QDs were used as an optical fiber dopant to study emission properties (intensity and peak position) of QD-doped optical fiber. The output spectral properties were calculated as a function of fiber length, fiber diameter, QD diameter, QD concentration and pump power to analyze the size effect and Auger recombination effect. The obtained emission properties were compared with that of PbSe QD-doped optical fibers.

2. Calculation

The absorption spectra of PbSe/CdSe core/shell QD solution have two absorption peaks [34] which imply that their energy level structure can be approximated as a three-level system as shown in Fig. 1(a). Further, PbSe/CdSe core/shell QDs can best be described as a type-I system in which the wave functions of electrons and holes are all confined in the PbSe core [35]. Based on the analysis above, PbSe/CdSe core/shell QDs have a similar electron transition and exciton recombination process with plain PbSe QDs. PbSe QDs have been modeled as we have demonstrated in precious reports [23,24]. W12and W13in Fig. 1(a) represent the absorption probabilities from ground state to excited state; A21,W21 and A21NRrepresent the spontaneous emission, stimulated emission and non-radiative transition probabilities, respectively; A32NRrepresents a non-radiative transition probability from the higher energy state to the metastable energy levels.

 

Fig. 1 (a) The electron transition and exciton recombination process of three-level system for PbSe/CdSe QDs [23]. (b) Structure diagram of QD-doped optical fiber.

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QD-doped optical fiber can be fabricated by filling the synthesized QD solution into the hollow fiber, and its structure is shown in Fig. 1(b). A set of rate equations (Eqs. (1)-(4)) was employed to analyze the population distributions in the three energy levels at one point of the fiber, while power propagation equations (Eqs. (5)-(6)) were derived to describe the propagation of emission and pump power throughout the entire optical fiber.

dn1dt=(W13+W12)n1+(W21+A21+A21NR)n2
dn2dt=W12n1(W21+A21+A21NR)n2+A32NRn3
dn3dt=W13n1A32NRn3
nt=n1+n2+n3
dPλs(z)dz=σe(λs)0Ris(r)n2(r,z)[Pλs(z)+mhνsΔνs]2πrdrσa(λs)0Ris(r)n1(r,z)Pλs(z)2πrdrlνPλs(z)
dPp(z)dz=σa(λp)0Rip(r)n1(r,z)Pp(z)2πrdrlνPp(z)
where n1, n2 and n3 are population densities of the corresponding energy levels; nt is the sum of the population density of all energy levels; Pis propagation power; σa(λS),σe(λs) andσa(λP)are absorption and emission cross sections for emission wavelength, and absorption cross section for the pump wavelength, respectively; is(r)and iP(r)are the normalized intensity distribution of transversal model; lνis the excess fiber loss per length; Δνsis the effective noise band-width, m is the number of modes transmitted in the fiber. The first item on the right side of Eq. (5) is the emission, the second term is the absorption, and the last term is the excess fiber loss. Under steady-state approximation, the emission and pump power at any point in the fiber can be obtained.

Absorption (Abs) and photoluminescence (PL) spectra for QD materials are obtained from literature [35], where the authors used a recently reported Pb for Cd ion-exchange reaction to convert PbSe QDs into PbSe/CdSe core/shell colloidal QDs. The overall size and shape of QDs remain unchanged upon ion-exchange, hence the duration of the ion-exchange reaction defines the thickness of the CdSe shell and the size of the remaining PbSe core. Three samples have been synthesized: sample 1 is 3.7 nm PbSe QDs, sample 2 is 3.7 nm PbSe/CdSe core/shell QDs with a core of 3.2 nm, sample 3 is 4.2 nm PbSe/CdSe core/shell QDs with a core of 2.1 nm. Fig. 2 is Abs spectra, PL spectra, and calculated Stokes shift, fluorescence lifetime and absorption cross section of three samples, which have also been listed in Table 1 for comparison.

 

Fig. 2 Abs and PL spectra of (a) 3.7 nm PbSe QDs (sample 1), (b) 3.7 nm PbSe/CdSe core/shell QDs with a core size of 3.2 nm (sample 2), and (c) 4.2 nm PbSe/CdSe core/shell QDs with a core size of 2.1 nm (sample 3) [35]. Also shown here are correspondingly calculated Stokes shift (d), fluorescence lifetime (e) and absorption cross section (f) of the three samples.

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Tables Icon

Table 1. Optical properties of three samples [35]

The growth of a CdSe shell by Pb-for-Cd exchange leads to a reduction of the PbSe core size, and markedly makes the Abs spectra blue-shifted. The relationship between PbSe core size of the three samples and the corresponding first exciton absorption peak is consistent with the empirical formula of PbSe QDs reported by Dai et al. [36]. Sample 3 has the largest Stokes shift, which is useful for reducing re-absorption loss of the emission when transmitted in the fiber core. Fig. 2(e) is obtained by exponential fitting according to the experimental data [35] and shows that sample 3 has the longest fluorescence lifetime which is also meaningful for maximizing the output intensity. Fig. 2(f) is absorption cross sections calculated on the basis of core size, where sample 1 has the largest value.

3. Results and discussion

QD-doped optical fiber was fabricated by using a capillary waveguide filled with QD solution (PbSe or PbSe/CdSe QDs dissolved in solvent). When a laser source was coupled into the fiber core using a convex lens, QDs in the fiber would be excited and radiate luminescence, transmitting in the fiber due to the limitation of optical waveguides (Fig. 1(b)). The theoretical calculations are based on this experimental process and the three samples described above. Data on three samples are substituted into Eqs. (1)-(6), the emission property of QD-doped optical fiber can thus be obtained.

3.1 Enhanced emission from the PbSe/CdSe core/shell QD-doped optical fiber

Theoretical calculation in this part is performed with a doping concentration of 4.5 × 1020 /m3, a fiber diameter of 60 µm, a pump power of 100 mW and wavelength of 532 nm. Comparing the performance of QD-doped optical fibers with regard to the dopants (Figs. 3(a), 3(b) and 3(d)), the optimal emission intensity from fibers doped with core/shell QDs is higher than that with plain PbSe QDs, which means that PbSe/CdSe core/shell QDs can be a better candidate of the fiber dopant. Besides, comparing Figs. 3(b)-3(d), we obtain that fibers doped with sample 3 have stronger emission intensity than that with sample 2. Larger Stokes shift of sample 3 leads to less re-absorption loss (absorption emission overlap), which can be further proved by Fig. 3(e) that the red-shift decreases due to the increased Stokes shift. In addition, longer fluorescence lifetime of sample 3 makes the particles at upper energy levels easier to accumulate, thereby increases the probability of stimulated emission, resulting in increased emission intensity. Further, when the fiber length is too long, the pump light will be absorbed completely, so spontaneous emission will no longer be generated, but lost by absorption in the remaining fiber length, resulting in an optimal fiber length. We can observe from Fig. 3(f) that sample 3-doped optical fibers have larger optimal fiber length because of the larger Stokes shift and longer fluorescence lifetime.

 

Fig. 3 Emission spectra of sample 1 (a), sample 2 (b) and sample 3 (c) doped optical fibers with different fiber lengths. Also shown here are correspondingly calculated optimized emission intensity (d), red-shift of the optimal emission spectrum relative to the PL spectrum (e) and optimal fiber length for emission intensity (f). “1, 2, and 3” labeled on the axis represent optical fibers doped with sample 1, sample 2 and sample 3, respectively.

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3.2 Comprehensive size effect of QD-doped optical fibers

In addition to the composition and size of QDs, fiber size (length and diameter) can also affect spectral property. Therefore, we studied a comprehensive size effect of optical fibers doped with sample 1 and sample 3, respectively and made a comparison between them. The conclusions can be drawn as follows: (1) Peak wavelength of emission shifts to red with increasing fiber length when the diameter is fixed, and with increasing fiber diameter when the length is fixed (Figs. 4(b) and 4(d)); (2) there is an optimal fiber length for emission intensity, which increases as the fiber diameter decreases (Figs. 4(a) and 4(c)); (3) there is a special fiber length, which is about 80 cm for sample 3-doped fiber and 37 cm for sample 1-doped fiber. When larger than the special fiber length, the emission intensity decreases as the fiber diameter increases; conversely, the emission intensity increases as the fiber diameter increases; (4) sample 3-doped optical fiber has stronger size effect compared with the fiber doped with sample 1 because of their longer fluorescence lifetime and bigger Stokes shift. Take 20 µm diameter fibers as an example: the changing rate of emission intensity with fiber length is about 0.7 /cm for sample 3-doped optical fibers and 0.06 /cm for sample 1-doped optical fibers. In order to validate the theoretical model, experimental data [26] has been employed and plotted in Fig. 4(c) in which the emission intensity increases first and then decreases with increasing fiber length, showing an optical fiber length for emission intensity. It is noteworthy that the fiber length in experiment is slightly smaller than that in theory because of the higher doping concentration (7.2 × 1021 /m3) in experiment, so we have shifted the fiber length in order to compare with the theoretical calculation. Besides, the larger doping concentration in experiment leads to the premature attenuation of emission intensity, but the changing trend is consistent with the theoretical results.

 

Fig. 4 Evolution of emission intensity and peak position of spectra with fiber length when fiber diameters are 20, 40, 60, 80, 100 and 120 µm for sample 3 and sample 1 -doped optical fibers. The dots are calculated data and the lines are polynomial fitting lines for comparison. Star symbols represent experimental data [26] performed under a fiber diameter of 100 µm, doping concentration of 7.2 × 1021 /m3 and pump wavelength of 532 nm.

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The required number of doping QDs for the strongest emission (at the optimal fiber length) is certain under a fixed excitation power. Because the pump light will be absorbed completely by the excess QDs, and the spontaneous emission will no longer occur. Besides, the doping number is determined by fiber length and fiber diameter in fixed doping concentration. Therefore, when the excitation power and doping concentration are determined, the optimal fiber length decreases with the increasing fiber diameter. Further, when the optical fiber is relatively short, the number of doped QDs increases with the fiber diameter, leading to an enhanced emission; on the other hand, the distribution of the emission power along the radial direction satisfies the zero-order Bessel function and can be organized and written as [14]

Ps(λ)=j=1MPs(rj,λ)=Ps(r1)[J0(V1)]2j=1M[J0(Vj)]2
where Vj is the normalized frequency; Mis the number of guided modes in fiber core and is expressed as
M=4R2λ2(ncore2nclad2)
where ncoreand nclad are refractive indexes of optical fiber core and cladding; Ris core radius of the optical fiber. Therefore, larger fiber diameter leads to more guided modes propagating in fiber, which also contributes to the enhancement of emission. But when the optical fiber is longer, the emission intensity decreases with the increasing fiber diameter because of the strong absorption.

Number of doped QDs is another important parameter affecting the emission property, which is determined by doping concentration under fixed fiber length and fiber diameter. Therefore, we studied the spectral property of the two optical fibers doped with sample 1 and sample 3, respectively, for a range of different QD concentrations, with a fiber length of 40 cm and fiber diameter of 40 µm. Figure 5 shows that the peak wavelength of emission shifts to red with increasing QD concentration for both of the fibers. The peak wavelength changes more obviously with the doping concentration for sample 1-doped optical fiber because of the smaller Stokes shift. The emission intensity increases first and then decreases when doping concentration beyond an optimal point at about 5 × 1020 /m3 for sample 1-doped optical fiber, which however, has been increasing in the theoretical concentration range for sample 3-doped optical fiber.

 

Fig. 5 Evolution of the intensity (a) and peak position (b) of the emission spectra with doping concentration for sample 3 (black square) and sample 1 (red circle)- doped optical fibers.

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So far, we have seen that the effect of QD size and fiber size on emission intensity is more obvious for PbSe/CdSe QD-doped optical fibers. In this way, we can change these size parameters in a small range to achieve a greater degree of improvement in the intensity of fiber emission. Also, these size parameters should be properly controlled to maximize the fiber emission.

3.3 Auger recombination effect of QD-doped optical fibers

Studies have shown that a necessary condition for higher emission intensity is a high excitation energy, which however, can excite one QD to generate multiple excitons, whose existence will lead to light attenuation due to the ultrafast non-radiative Auger recombination. Therefore, we calculated the evolution of emission intensity with the pump power using 40 cm-length and 40 µm-diameter fibers with a doping concentration of 4.5 × 1020 /m3, and the corresponding results are plotted in Fig. 6. The emission intensity increases with pump power and then starts to decline at higher powers (more than 30 mW), indicating an optimal pump power in the region of around 30 mW under the parameters we have chosen for sample 3-doped optical fibers. However, for sample 1-doped optical fibers, the emission intensity increases firstly and then tends to saturate as the pump power increases continuously.

 

Fig. 6 Evolution of the intensity of emission spectra with pump power for sample 3 (black square) and sample 1 (red circle) -doped optical fibers.

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Non- radiative transition (Auger recombination) lifetime can be written as [37]

τNR=(CAneh2)1=(CAN2V2)1
where V is QD volume; CA=βA(D/2)3, βA=2.69ps-1nm3; Dis QD diameter; N=jpσa is the average exciton number created per QD; jp is the pump fluence, which is directly proportional to pump power; σa is absorption cross section of the pump. SubstitutingNinto Eq. (9), we can get
τNR=16π272βD3σa21jp2=k1jp2
PbSe/CdSe core/shell QD materials have a larger kcompared with PbSe QDs, so the non-radiative transition lifetime decreases (corresponding to non-radiative probability increases) at a higher rate with the increase of pump power, which leads to the early attenuation of the fiber emission intensity. But, although Auger recombination effect is more serious for PbSe/CdSe core/shell QD-doped optical fibers, their emission intensity are still enhanced compared with PbSe QD-doped optical fibers due to the large fluorescence lifetime and Stokes shift.

4. Conclusions

In summary, we have studied the emission property of PbSe/CdSe core/shell QD- doped optical fibers theoretically and have compared them with optical fibers doped with PbSe QDs. The comprehensive size effect related to fiber size and QD size, and non-radiative Auger recombination effect related to pump power were investigated. The peak wavelength of emission shifted to red with increasing fiber length, fiber diameter and doping concentration. From the evolution of emission intensity with different parameters we determined that PbSe/CdSe core/shell QDs were a better candidate of the fiber dopant due to the enhancement of fiber output spectral intensity compared with the performance of plain PbSe QDs. Besides, we have observed stronger size effect depending on fiber size and QD size, and more obvious Auger recombination effect depending on pump power. This paper demonstrates a useful method for the emission enhancement of QDs material-based optical fiber.

Funding

National Natural Science Foundation of China (61604065); Youth Science Foundation of Heilongjiang Province (QC2016007); Program for Youth Innovative Talents in Heilongjiang Provincial University (UNPYSCT-2017197); Doctoral Research Fund of Mudanjiang Normal College (MNUB201406).

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References

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  1. X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
    [Crossref]
  2. Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
    [Crossref]
  3. C. Cheng, Y. Lin, and J. Yan, “Red shift of photoluminescence spectrum of CdSe/ZnS- quantum-dot doped fiber,” Acta Opt. Sin. 31(4), 0406002 (2011).
    [Crossref]
  4. W. W. Yu and X. Peng, “Formation of high-quality CdS and other II-VI semiconductor nanocrystals in noncoordinating solvents: tunable reactivity of monomers,” Angew. Chem. Int. Ed. Engl. 41(13), 2368–2371 (2002).
    [Crossref] [PubMed]
  5. W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals,” Chem. Mater. 15(14), 2854–2860 (2003).
    [Crossref]
  6. W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe and CdS nanocrystals: correction,” Chem. Mater. 16(3), 560 (2004).
    [Crossref]
  7. G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
    [Crossref]
  8. P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
    [Crossref] [PubMed]
  9. C. Cheng, “A multiquantum-dot-doped fiber amplifier with characteristics of broadband, flat gain, and low noise,” J. Lightwave Technol. 26(11), 1404–1410 (2008).
    [Crossref]
  10. A. G. Ardakani, S. M. Mahdavi, and A. R. Bahrampour, “Time-dependent theory for random lasers in the presence of an inhomogeneous broadened gain medium such as PbSe quantum dots,” Appl. Opt. 52(6), 1317–1324 (2013).
    [Crossref] [PubMed]
  11. R. D. Schaller, M. A. Petruska, and V. I. Klimov, “Tunable near-infrared optical gain and amplified spontaneous emission using PbSe nanocrystals,” J. Phys. Chem. B 107(50), 13765–13768 (2003).
    [Crossref]
  12. A. R. Bahrampour, H. Rooholamini, L. Rahimi, and A. A. Askari, “An inhomogeneous theoretical model for analysis of PbSe quantum-dot-doped fiber amplifier,” Opt. Commun. 282(22), 4449–4454 (2009).
    [Crossref]
  13. P. Jorge, M. A. Martins, T. Trindade, J. L. Santos, and F. Farahi, “Optical fiber sensing using quantum dots,” Sensors (Basel) 7(12), 3489–3534 (2007).
    [Crossref] [PubMed]
  14. H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
    [Crossref]
  15. B. C. Rowan, L. R. Wilson, and B. S. Richards, “Advanced material concepts for luminescent solar concentrators,” IEEE J. Sel. Top. Quant. 14(5), 1312–1322 (2008).
    [Crossref]
  16. X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
    [Crossref]
  17. X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
    [Crossref]
  18. L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
    [Crossref]
  19. L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
    [Crossref] [PubMed]
  20. C. Cheng, H. L. Jiang, D. W. Ma, and X. Y. Cheng, “An optical fiber glass containing PbSe quantum dots,” Opt. Commun. 284(19), 4491–4495 (2011).
    [Crossref]
  21. P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
    [Crossref]
  22. C. Cheng and H. Zhang, “Characteristics of bandwidth, gain and noise of a PbSe quantum dot-doped fiber amplifier,” Opt. Commun. 277(2), 372–378 (2007).
    [Crossref]
  23. L. Zhang, B. Zhang, L. Ning, S. Li, and Y. Zheng, “Comprehensive size effect on PbSe quantum dot-doped liquid-core optical fiber,” Opt. Commun. 383, 371–377 (2017).
    [Crossref]
  24. L. Zhang, M. Sun, C. Li, and Y. Zheng, “Effect of pump parameters on the emission of PbSe quantum dot-doped optical fiber considering Auger recombination,” J. Nanophoton. 12(2),026010 1–9 (2018).
  25. A. Hreibi, F. Gérôme, J. L. Auguste, Y. Zhang, W. W. Yu, and J. M. Blondy, “Semiconductor-doped liquid-core optical fiber,” Opt. Lett. 36(9), 1695–1697 (2011).
    [Crossref] [PubMed]
  26. L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
    [Crossref] [PubMed]
  27. C. Cheng, J. F. Bo, J. H. Yan, and X. Y. Cheng, “Experimental realization of a PbSe-quantum-dot doped fiber laser,” IEEE Photonics Technol. Lett. 25(6), 572–575 (2013).
    [Crossref]
  28. C. Cheng, F. Yuan, and X. Y. Cheng, “Study of an unsaturated PbSe QD-doped fiber laser by numerical simulation and experiment,” IEEE J. Quantum Electron. 50(11), 882–889 (2014).
    [Crossref]
  29. Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
    [Crossref] [PubMed]
  30. Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
    [Crossref] [PubMed]
  31. Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
    [Crossref] [PubMed]
  32. B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
    [Crossref] [PubMed]
  33. J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
    [Crossref] [PubMed]
  34. Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
    [Crossref]
  35. D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
    [Crossref] [PubMed]
  36. Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
    [Crossref] [PubMed]
  37. V. I. Klimov, “Mechanisms for photogeneration and recombination of multiexcitons in semiconductor nanocrystals: implications for lasing and solar energy conversion,” J. Phys. Chem. B 110(34), 16827–16845 (2006).
    [Crossref] [PubMed]

2018 (1)

L. Zhang, M. Sun, C. Li, and Y. Zheng, “Effect of pump parameters on the emission of PbSe quantum dot-doped optical fiber considering Auger recombination,” J. Nanophoton. 12(2),026010 1–9 (2018).

2017 (4)

L. Zhang, B. Zhang, L. Ning, S. Li, and Y. Zheng, “Comprehensive size effect on PbSe quantum dot-doped liquid-core optical fiber,” Opt. Commun. 383, 371–377 (2017).
[Crossref]

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

2015 (4)

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

2014 (3)

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

C. Cheng, F. Yuan, and X. Y. Cheng, “Study of an unsaturated PbSe QD-doped fiber laser by numerical simulation and experiment,” IEEE J. Quantum Electron. 50(11), 882–889 (2014).
[Crossref]

2013 (2)

C. Cheng, J. F. Bo, J. H. Yan, and X. Y. Cheng, “Experimental realization of a PbSe-quantum-dot doped fiber laser,” IEEE Photonics Technol. Lett. 25(6), 572–575 (2013).
[Crossref]

A. G. Ardakani, S. M. Mahdavi, and A. R. Bahrampour, “Time-dependent theory for random lasers in the presence of an inhomogeneous broadened gain medium such as PbSe quantum dots,” Appl. Opt. 52(6), 1317–1324 (2013).
[Crossref] [PubMed]

2011 (7)

C. Cheng, H. L. Jiang, D. W. Ma, and X. Y. Cheng, “An optical fiber glass containing PbSe quantum dots,” Opt. Commun. 284(19), 4491–4495 (2011).
[Crossref]

C. Cheng, Y. Lin, and J. Yan, “Red shift of photoluminescence spectrum of CdSe/ZnS- quantum-dot doped fiber,” Acta Opt. Sin. 31(4), 0406002 (2011).
[Crossref]

A. Hreibi, F. Gérôme, J. L. Auguste, Y. Zhang, W. W. Yu, and J. M. Blondy, “Semiconductor-doped liquid-core optical fiber,” Opt. Lett. 36(9), 1695–1697 (2011).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
[Crossref] [PubMed]

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
[Crossref]

D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

2010 (2)

P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
[Crossref]

Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

2009 (3)

A. R. Bahrampour, H. Rooholamini, L. Rahimi, and A. A. Askari, “An inhomogeneous theoretical model for analysis of PbSe quantum-dot-doped fiber amplifier,” Opt. Commun. 282(22), 4449–4454 (2009).
[Crossref]

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

2008 (3)

J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
[Crossref] [PubMed]

B. C. Rowan, L. R. Wilson, and B. S. Richards, “Advanced material concepts for luminescent solar concentrators,” IEEE J. Sel. Top. Quant. 14(5), 1312–1322 (2008).
[Crossref]

C. Cheng, “A multiquantum-dot-doped fiber amplifier with characteristics of broadband, flat gain, and low noise,” J. Lightwave Technol. 26(11), 1404–1410 (2008).
[Crossref]

2007 (2)

P. Jorge, M. A. Martins, T. Trindade, J. L. Santos, and F. Farahi, “Optical fiber sensing using quantum dots,” Sensors (Basel) 7(12), 3489–3534 (2007).
[Crossref] [PubMed]

C. Cheng and H. Zhang, “Characteristics of bandwidth, gain and noise of a PbSe quantum dot-doped fiber amplifier,” Opt. Commun. 277(2), 372–378 (2007).
[Crossref]

2006 (1)

V. I. Klimov, “Mechanisms for photogeneration and recombination of multiexcitons in semiconductor nanocrystals: implications for lasing and solar energy conversion,” J. Phys. Chem. B 110(34), 16827–16845 (2006).
[Crossref] [PubMed]

2004 (1)

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe and CdS nanocrystals: correction,” Chem. Mater. 16(3), 560 (2004).
[Crossref]

2003 (2)

R. D. Schaller, M. A. Petruska, and V. I. Klimov, “Tunable near-infrared optical gain and amplified spontaneous emission using PbSe nanocrystals,” J. Phys. Chem. B 107(50), 13765–13768 (2003).
[Crossref]

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals,” Chem. Mater. 15(14), 2854–2860 (2003).
[Crossref]

2002 (1)

W. W. Yu and X. Peng, “Formation of high-quality CdS and other II-VI semiconductor nanocrystals in noncoordinating solvents: tunable reactivity of monomers,” Angew. Chem. Int. Ed. Engl. 41(13), 2368–2371 (2002).
[Crossref] [PubMed]

2001 (1)

G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

Aigle, M.

G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

Allan, G.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

Ardakani, A. G.

Askari, A. A.

A. R. Bahrampour, H. Rooholamini, L. Rahimi, and A. A. Askari, “An inhomogeneous theoretical model for analysis of PbSe quantum-dot-doped fiber amplifier,” Opt. Commun. 282(22), 4449–4454 (2009).
[Crossref]

Auguste, J. L.

Bahrampour, A. R.

A. G. Ardakani, S. M. Mahdavi, and A. R. Bahrampour, “Time-dependent theory for random lasers in the presence of an inhomogeneous broadened gain medium such as PbSe quantum dots,” Appl. Opt. 52(6), 1317–1324 (2013).
[Crossref] [PubMed]

A. R. Bahrampour, H. Rooholamini, L. Rahimi, and A. A. Askari, “An inhomogeneous theoretical model for analysis of PbSe quantum-dot-doped fiber amplifier,” Opt. Commun. 282(22), 4449–4454 (2009).
[Crossref]

Bauer, G.

G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

Blondy, J. M.

Bo, J. F.

C. Cheng, J. F. Bo, J. H. Yan, and X. Y. Cheng, “Experimental realization of a PbSe-quantum-dot doped fiber laser,” IEEE Photonics Technol. Lett. 25(6), 572–575 (2013).
[Crossref]

Casson, J. L.

J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
[Crossref] [PubMed]

Chen, Z.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Cheng, C.

C. Cheng, F. Yuan, and X. Y. Cheng, “Study of an unsaturated PbSe QD-doped fiber laser by numerical simulation and experiment,” IEEE J. Quantum Electron. 50(11), 882–889 (2014).
[Crossref]

C. Cheng, J. F. Bo, J. H. Yan, and X. Y. Cheng, “Experimental realization of a PbSe-quantum-dot doped fiber laser,” IEEE Photonics Technol. Lett. 25(6), 572–575 (2013).
[Crossref]

C. Cheng, Y. Lin, and J. Yan, “Red shift of photoluminescence spectrum of CdSe/ZnS- quantum-dot doped fiber,” Acta Opt. Sin. 31(4), 0406002 (2011).
[Crossref]

C. Cheng, H. L. Jiang, D. W. Ma, and X. Y. Cheng, “An optical fiber glass containing PbSe quantum dots,” Opt. Commun. 284(19), 4491–4495 (2011).
[Crossref]

C. Cheng, “A multiquantum-dot-doped fiber amplifier with characteristics of broadband, flat gain, and low noise,” J. Lightwave Technol. 26(11), 1404–1410 (2008).
[Crossref]

C. Cheng and H. Zhang, “Characteristics of bandwidth, gain and noise of a PbSe quantum dot-doped fiber amplifier,” Opt. Commun. 277(2), 372–378 (2007).
[Crossref]

Cheng, X. Y.

C. Cheng, F. Yuan, and X. Y. Cheng, “Study of an unsaturated PbSe QD-doped fiber laser by numerical simulation and experiment,” IEEE J. Quantum Electron. 50(11), 882–889 (2014).
[Crossref]

C. Cheng, J. F. Bo, J. H. Yan, and X. Y. Cheng, “Experimental realization of a PbSe-quantum-dot doped fiber laser,” IEEE Photonics Technol. Lett. 25(6), 572–575 (2013).
[Crossref]

C. Cheng, H. L. Jiang, D. W. Ma, and X. Y. Cheng, “An optical fiber glass containing PbSe quantum dots,” Opt. Commun. 284(19), 4491–4495 (2011).
[Crossref]

Chu, H.

Colvin, V. L.

Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
[Crossref] [PubMed]

Cui, Q.

Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

Cui, T.

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

Dai, Q.

Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
[Crossref]

Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

De Geyter, B.

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

de Mello Donega, C.

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

de Mello Donegá, C.

D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

Delerue, C.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

Dong, G.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Dong, Y.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Dorland, R.

D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

Evers, W. H.

D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

Fang, Z.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Farahi, F.

P. Jorge, M. A. Martins, T. Trindade, J. L. Santos, and F. Farahi, “Optical fiber sensing using quantum dots,” Sensors (Basel) 7(12), 3489–3534 (2007).
[Crossref] [PubMed]

Feng, Y.

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

Gao, W.

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

Geiregat, P.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

Gérôme, F.

Grigel, V.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

Grodzinska, D.

D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

Gu, P.

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Gu, Z.

Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

Guo, W.

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe and CdS nanocrystals: correction,” Chem. Mater. 16(3), 560 (2004).
[Crossref]

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals,” Chem. Mater. 15(14), 2854–2860 (2003).
[Crossref]

Han, W. T.

P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
[Crossref]

Heiss, W.

G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

Hens, Z.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

Hollingsworth, J. A.

J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
[Crossref] [PubMed]

Houtepen, A. J.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

Hreibi, A.

Huang, X.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Infante, I.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

Ji, C.

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

Jiang, H. L.

C. Cheng, H. L. Jiang, D. W. Ma, and X. Y. Cheng, “An optical fiber glass containing PbSe quantum dots,” Opt. Commun. 284(19), 4491–4495 (2011).
[Crossref]

Jiang, Y.

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Jorge, P.

P. Jorge, M. A. Martins, T. Trindade, J. L. Santos, and F. Farahi, “Optical fiber sensing using quantum dots,” Sensors (Basel) 7(12), 3489–3534 (2007).
[Crossref] [PubMed]

Ju, S.

P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
[Crossref]

Justo, Y.

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

Kang, S.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Kershaw, S. V.

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Kim, M. J.

P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
[Crossref]

Klimov, V. I.

J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
[Crossref] [PubMed]

V. I. Klimov, “Mechanisms for photogeneration and recombination of multiexcitons in semiconductor nanocrystals: implications for lasing and solar energy conversion,” J. Phys. Chem. B 110(34), 16827–16845 (2006).
[Crossref] [PubMed]

R. D. Schaller, M. A. Petruska, and V. I. Klimov, “Tunable near-infrared optical gain and amplified spontaneous emission using PbSe nanocrystals,” J. Phys. Chem. B 107(50), 13765–13768 (2003).
[Crossref]

Lambert, K.

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

Li, C.

L. Zhang, M. Sun, C. Li, and Y. Zheng, “Effect of pump parameters on the emission of PbSe quantum dot-doped optical fiber considering Auger recombination,” J. Nanophoton. 12(2),026010 1–9 (2018).

Li, R.

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

Li, S.

L. Zhang, B. Zhang, L. Ning, S. Li, and Y. Zheng, “Comprehensive size effect on PbSe quantum dot-doped liquid-core optical fiber,” Opt. Commun. 383, 371–377 (2017).
[Crossref]

Li, X.

Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
[Crossref]

Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

Liang, J.

Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
[Crossref] [PubMed]

Lin, A.

P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
[Crossref]

Lin, Y.

C. Cheng, Y. Lin, and J. Yan, “Red shift of photoluminescence spectrum of CdSe/ZnS- quantum-dot doped fiber,” Acta Opt. Sin. 31(4), 0406002 (2011).
[Crossref]

Liu, M.

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

Luo, Y.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Lww, B. H.

P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
[Crossref]

Ma, D. W.

C. Cheng, H. L. Jiang, D. W. Ma, and X. Y. Cheng, “An optical fiber glass containing PbSe quantum dots,” Opt. Commun. 284(19), 4491–4495 (2011).
[Crossref]

Ma, Z.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Mahdavi, S. M.

Martins, M. A.

P. Jorge, M. A. Martins, T. Trindade, J. L. Santos, and F. Farahi, “Optical fiber sensing using quantum dots,” Sensors (Basel) 7(12), 3489–3534 (2007).
[Crossref] [PubMed]

Meijerink, A.

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

Moreels, I.

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

Ning, L.

L. Zhang, B. Zhang, L. Ning, S. Li, and Y. Zheng, “Comprehensive size effect on PbSe quantum dot-doped liquid-core optical fiber,” Opt. Commun. 383, 371–377 (2017).
[Crossref]

Pang, F.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Pascher, H.

G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

Pellegrino, D. J.

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

Peng, G.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Peng, W.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Peng, X.

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe and CdS nanocrystals: correction,” Chem. Mater. 16(3), 560 (2004).
[Crossref]

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals,” Chem. Mater. 15(14), 2854–2860 (2003).
[Crossref]

W. W. Yu and X. Peng, “Formation of high-quality CdS and other II-VI semiconductor nanocrystals in noncoordinating solvents: tunable reactivity of monomers,” Angew. Chem. Int. Ed. Engl. 41(13), 2368–2371 (2002).
[Crossref] [PubMed]

Petruska, M. A.

R. D. Schaller, M. A. Petruska, and V. I. Klimov, “Tunable near-infrared optical gain and amplified spontaneous emission using PbSe nanocrystals,” J. Phys. Chem. B 107(50), 13765–13768 (2003).
[Crossref]

Pietryga, J. M.

J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
[Crossref] [PubMed]

Qiu, J.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Qu, L.

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe and CdS nanocrystals: correction,” Chem. Mater. 16(3), 560 (2004).
[Crossref]

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals,” Chem. Mater. 15(14), 2854–2860 (2003).
[Crossref]

Rahimi, L.

A. R. Bahrampour, H. Rooholamini, L. Rahimi, and A. A. Askari, “An inhomogeneous theoretical model for analysis of PbSe quantum-dot-doped fiber amplifier,” Opt. Commun. 282(22), 4449–4454 (2009).
[Crossref]

Richards, B. S.

B. C. Rowan, L. R. Wilson, and B. S. Richards, “Advanced material concepts for luminescent solar concentrators,” IEEE J. Sel. Top. Quant. 14(5), 1312–1322 (2008).
[Crossref]

Rogach, A. L.

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Rooholamini, H.

A. R. Bahrampour, H. Rooholamini, L. Rahimi, and A. A. Askari, “An inhomogeneous theoretical model for analysis of PbSe quantum-dot-doped fiber amplifier,” Opt. Commun. 282(22), 4449–4454 (2009).
[Crossref]

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B. C. Rowan, L. R. Wilson, and B. S. Richards, “Advanced material concepts for luminescent solar concentrators,” IEEE J. Sel. Top. Quant. 14(5), 1312–1322 (2008).
[Crossref]

Sagar, L. K.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

Santos, J. L.

P. Jorge, M. A. Martins, T. Trindade, J. L. Santos, and F. Farahi, “Optical fiber sensing using quantum dots,” Sensors (Basel) 7(12), 3489–3534 (2007).
[Crossref] [PubMed]

Schaller, R. D.

J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
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R. D. Schaller, M. A. Petruska, and V. I. Klimov, “Tunable near-infrared optical gain and amplified spontaneous emission using PbSe nanocrystals,” J. Phys. Chem. B 107(50), 13765–13768 (2003).
[Crossref]

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G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

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Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
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Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

Shang, Y.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Shen, X.

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

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B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
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Springholz, G.

G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

Sun, M.

L. Zhang, M. Sun, C. Li, and Y. Zheng, “Effect of pump parameters on the emission of PbSe quantum dot-doped optical fiber considering Auger recombination,” J. Nanophoton. 12(2),026010 1–9 (2018).

Trindade, T.

P. Jorge, M. A. Martins, T. Trindade, J. L. Santos, and F. Farahi, “Optical fiber sensing using quantum dots,” Sensors (Basel) 7(12), 3489–3534 (2007).
[Crossref] [PubMed]

van Huis, M. A.

D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
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D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

Van Thourhout, D.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
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B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
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B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
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D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

Vavra, I.

G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

Wang, P.

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

Wang, T.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Wang, Y.

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
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Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
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Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
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Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
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Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
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Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
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Watekar, P. R.

P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
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Wen, J.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Werder, D. J.

J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
[Crossref] [PubMed]

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J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
[Crossref] [PubMed]

Wilson, L. R.

B. C. Rowan, L. R. Wilson, and B. S. Richards, “Advanced material concepts for luminescent solar concentrators,” IEEE J. Sel. Top. Quant. 14(5), 1312–1322 (2008).
[Crossref]

Wu, H.

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

Yan, J.

C. Cheng, Y. Lin, and J. Yan, “Red shift of photoluminescence spectrum of CdSe/ZnS- quantum-dot doped fiber,” Acta Opt. Sin. 31(4), 0406002 (2011).
[Crossref]

Yan, J. H.

C. Cheng, J. F. Bo, J. H. Yan, and X. Y. Cheng, “Experimental realization of a PbSe-quantum-dot doped fiber laser,” IEEE Photonics Technol. Lett. 25(6), 572–575 (2013).
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Yan, L.

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

Yin, J.

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

Yu, W. W.

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
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A. Hreibi, F. Gérôme, J. L. Auguste, Y. Zhang, W. W. Yu, and J. M. Blondy, “Semiconductor-doped liquid-core optical fiber,” Opt. Lett. 36(9), 1695–1697 (2011).
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Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
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W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe and CdS nanocrystals: correction,” Chem. Mater. 16(3), 560 (2004).
[Crossref]

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals,” Chem. Mater. 15(14), 2854–2860 (2003).
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W. W. Yu and X. Peng, “Formation of high-quality CdS and other II-VI semiconductor nanocrystals in noncoordinating solvents: tunable reactivity of monomers,” Angew. Chem. Int. Ed. Engl. 41(13), 2368–2371 (2002).
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Yuan, F.

C. Cheng, F. Yuan, and X. Y. Cheng, “Study of an unsaturated PbSe QD-doped fiber laser by numerical simulation and experiment,” IEEE J. Quantum Electron. 50(11), 882–889 (2014).
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Zapata, F.

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
[Crossref] [PubMed]

Zhan, H.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

Zhang, B.

L. Zhang, B. Zhang, L. Ning, S. Li, and Y. Zheng, “Comprehensive size effect on PbSe quantum dot-doped liquid-core optical fiber,” Opt. Commun. 383, 371–377 (2017).
[Crossref]

Zhang, H.

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

C. Cheng and H. Zhang, “Characteristics of bandwidth, gain and noise of a PbSe quantum dot-doped fiber amplifier,” Opt. Commun. 277(2), 372–378 (2007).
[Crossref]

Zhang, L.

L. Zhang, M. Sun, C. Li, and Y. Zheng, “Effect of pump parameters on the emission of PbSe quantum dot-doped optical fiber considering Auger recombination,” J. Nanophoton. 12(2),026010 1–9 (2018).

L. Zhang, B. Zhang, L. Ning, S. Li, and Y. Zheng, “Comprehensive size effect on PbSe quantum dot-doped liquid-core optical fiber,” Opt. Commun. 383, 371–377 (2017).
[Crossref]

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Zhang, T.

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Zhang, X.

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

Zhang, Y.

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
[Crossref]

A. Hreibi, F. Gérôme, J. L. Auguste, Y. Zhang, W. W. Yu, and J. M. Blondy, “Semiconductor-doped liquid-core optical fiber,” Opt. Lett. 36(9), 1695–1697 (2011).
[Crossref] [PubMed]

Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

Zhao, J.

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

H. Wu, Y. Zhang, L. Yan, Y. Jiang, T. Zhang, Y. Feng, H. Chu, Y. Wang, J. Zhao, and W. W. Yu, “Temperature effect on colloidal PbSe quantum dot-filled liquid-core optical fiber,” Opt. Mater. Express 4(9), 1856–1865 (2014).
[Crossref]

Zhao, M.

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

Zhao, Y.

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

Zheng, Y.

L. Zhang, M. Sun, C. Li, and Y. Zheng, “Effect of pump parameters on the emission of PbSe quantum dot-doped optical fiber considering Auger recombination,” J. Nanophoton. 12(2),026010 1–9 (2018).

L. Zhang, B. Zhang, L. Ning, S. Li, and Y. Zheng, “Comprehensive size effect on PbSe quantum dot-doped liquid-core optical fiber,” Opt. Commun. 383, 371–377 (2017).
[Crossref]

Zhou, B.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Zhou, S.

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

Zou, B.

Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
[Crossref]

Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

ACS Nano (2)

B. De Geyter, Y. Justo, I. Moreels, K. Lambert, P. F. Smet, D. Van Thourhout, A. J. Houtepen, D. Grodzinska, C. de Mello Donega, A. Meijerink, D. Vanmaekelbergh, and Z. Hens, “The different nature of band edge absorption and emission in colloidal PbSe/CdSe core/shell quantum dots,” ACS Nano 5(1), 58–66 (2011).
[Crossref] [PubMed]

Q. Dai, Y. Wang, X. Li, Y. Zhang, D. J. Pellegrino, M. Zhao, B. Zou, J. Seo, Y. Wang, and W. W. Yu, “Size-dependent composition and molar extinction coefficient of PbSe semiconductor nanocrystals,” ACS Nano 3(6), 1518–1524 (2009).
[Crossref] [PubMed]

Acta Opt. Sin. (1)

C. Cheng, Y. Lin, and J. Yan, “Red shift of photoluminescence spectrum of CdSe/ZnS- quantum-dot doped fiber,” Acta Opt. Sin. 31(4), 0406002 (2011).
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Angew. Chem. Int. Ed. Engl. (1)

W. W. Yu and X. Peng, “Formation of high-quality CdS and other II-VI semiconductor nanocrystals in noncoordinating solvents: tunable reactivity of monomers,” Angew. Chem. Int. Ed. Engl. 41(13), 2368–2371 (2002).
[Crossref] [PubMed]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

G. Springholz, T. Schwarzl, W. Heiss, G. Bauer, M. Aigle, H. Pascher, and I. Vavra, “Midinfrared surface-emitting PbSe/PbEuTe quantum-dot lasers,” Appl. Phys. Lett. 79(9), 1225–1227 (2001).
[Crossref]

Chem. Mater. (2)

W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe, and CdS nanocrystals,” Chem. Mater. 15(14), 2854–2860 (2003).
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W. W. Yu, L. Qu, W. Guo, and X. Peng, “Experimental determination of the extinction coefficient of CdTe, CdSe and CdS nanocrystals: correction,” Chem. Mater. 16(3), 560 (2004).
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IEEE J. Quantum Electron. (1)

C. Cheng, F. Yuan, and X. Y. Cheng, “Study of an unsaturated PbSe QD-doped fiber laser by numerical simulation and experiment,” IEEE J. Quantum Electron. 50(11), 882–889 (2014).
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IEEE J. Sel. Top. Quant. (1)

B. C. Rowan, L. R. Wilson, and B. S. Richards, “Advanced material concepts for luminescent solar concentrators,” IEEE J. Sel. Top. Quant. 14(5), 1312–1322 (2008).
[Crossref]

IEEE Photonics Technol. Lett. (1)

C. Cheng, J. F. Bo, J. H. Yan, and X. Y. Cheng, “Experimental realization of a PbSe-quantum-dot doped fiber laser,” IEEE Photonics Technol. Lett. 25(6), 572–575 (2013).
[Crossref]

J. Am. Chem. Soc. (1)

J. M. Pietryga, D. J. Werder, D. J. Williams, J. L. Casson, R. D. Schaller, V. I. Klimov, and J. A. Hollingsworth, “Utilizing the lability of lead selenide to produce heterostructured nanocrystals with bright, stable infrared emission,” J. Am. Chem. Soc. 130(14), 4879–4885 (2008).
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J. Lightwave Technol. (1)

J. Lumin. (1)

Y. Shang, J. Wen, Y. Dong, H. Zhan, Y. Luo, G. Peng, X. Zhang, F. Pang, Z. Chen, and T. Wang, “Luminescence properties of PbS quantum-dot-doped silica optical fibre produced via atomic layer deposition,” J. Lumin. 187, 201–204 (2017).
[Crossref]

J. Mater. Chem. A Mater. Energy Sustain. (1)

X. Zhang, Y. Zhang, L. Yan, C. Ji, H. Wu, Y. Wang, P. Wang, T. Zhang, Y. Wang, T. Cui, J. Zhao, and W. W. Yu, “High photocurrent PbSe solar cells with thin active layers,” J. Mater. Chem. A Mater. Energy Sustain. 3(16), 8501–8507 (2015).
[Crossref]

J. Mater. Chem. C Mater. Opt. Electron. Devices (1)

X. Huang, Z. Fang, S. Kang, W. Peng, G. Dong, B. Zhou, Z. Ma, S. Zhou, and J. Qiu, “Controllable fabrication of novel all solid-state PbS quantum dot-doped glass fibers with tunable broadband near-infrared emission,” J. Mater. Chem. C Mater. Opt. Electron. Devices 5(31), 7927–7934 (2017).
[Crossref]

J. Nanopart. Res. (1)

Y. Zhang, Q. Dai, X. Li, B. Zou, Y. Wang, and W. W. Yu, “Beneficial effect of tributylphosphine to the photoluminescence of PbSe and PbSe/CdSe nanocrystals,” J. Nanopart. Res. 13(9), 3721–3729 (2011).
[Crossref]

J. Nanophoton. (1)

L. Zhang, M. Sun, C. Li, and Y. Zheng, “Effect of pump parameters on the emission of PbSe quantum dot-doped optical fiber considering Auger recombination,” J. Nanophoton. 12(2),026010 1–9 (2018).

J. Non-Cryst. Solids (1)

P. R. Watekar, S. Ju, A. Lin, M. J. Kim, B. H. Lww, and W. T. Han, “Linear and nonlinear optical properties of the PbSe quantum dots doped germano-silica glass optical fiber,” J. Non-Cryst. Solids 356(44-49), 2384–2388 (2010).
[Crossref]

J. Phys. Chem. B (2)

R. D. Schaller, M. A. Petruska, and V. I. Klimov, “Tunable near-infrared optical gain and amplified spontaneous emission using PbSe nanocrystals,” J. Phys. Chem. B 107(50), 13765–13768 (2003).
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V. I. Klimov, “Mechanisms for photogeneration and recombination of multiexcitons in semiconductor nanocrystals: implications for lasing and solar energy conversion,” J. Phys. Chem. B 110(34), 16827–16845 (2006).
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Langmuir (2)

Y. Zhang, Q. Dai, X. Li, J. Liang, V. L. Colvin, Y. Wang, and W. W. Yu, “PbSe/CdSe and PbSe/CdSe/ZnSe hierarchical nanocrystals and their photoluminescence,” Langmuir 27(15), 9583–9587 (2011).
[Crossref] [PubMed]

Q. Dai, Y. Wang, Y. Zhang, X. Li, R. Li, B. Zou, J. Seo, Y. Wang, M. Liu, and W. W. Yu, “Stability study of PbSe semiconductor nanocrystals over concentration, size, atmosphere, and light exposure,” Langmuir 25(20), 12320–12324 (2009).
[Crossref] [PubMed]

Nanoscale Res. Lett. (1)

Y. Zhang, Q. Dai, X. Li, Q. Cui, Z. Gu, B. Zou, Y. Wang, and W. W. Yu, “Formation of PbSe/CdSe core/shell nanocrystals for stable near-infrared high photoluminescence emission,” Nanoscale Res. Lett. 5(8), 1279–1283 (2010).
[Crossref] [PubMed]

Nanotechnology (2)

L. Zhang, Y. Zhang, S. V. Kershaw, Y. Zhao, Y. Wang, Y. Jiang, T. Zhang, W. W. Yu, P. Gu, Y. Wang, H. Zhang, and A. L. Rogach, “Colloidal PbSe quantum dot-solution-filled liquid-core optical fiber for 1.55 μm telecommunication wavelengths,” Nanotechnology 25(10), 105704 (2014).
[Crossref] [PubMed]

L. Yan, Y. Zhang, X. Zhang, J. Zhao, Y. Wang, T. Zhang, Y. Jiang, W. Gao, J. Yin, J. Zhao, and W. W. Yu, “Single layer graphene electrodes for quantum dot-light emitting diodes,” Nanotechnology 26(13), 135201 (2015).
[Crossref] [PubMed]

Nat. Mater. (1)

P. Geiregat, A. J. Houtepen, L. K. Sagar, I. Infante, F. Zapata, V. Grigel, G. Allan, C. Delerue, D. Van Thourhout, and Z. Hens, “Continuous-wave infrared optical gain and amplified spontaneous emission at ultralow threshold by colloidal HgTe quantum dots,” Nat. Mater. 17(1), 35–42 (2017).
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Opt. Commun. (4)

A. R. Bahrampour, H. Rooholamini, L. Rahimi, and A. A. Askari, “An inhomogeneous theoretical model for analysis of PbSe quantum-dot-doped fiber amplifier,” Opt. Commun. 282(22), 4449–4454 (2009).
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C. Cheng, H. L. Jiang, D. W. Ma, and X. Y. Cheng, “An optical fiber glass containing PbSe quantum dots,” Opt. Commun. 284(19), 4491–4495 (2011).
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C. Cheng and H. Zhang, “Characteristics of bandwidth, gain and noise of a PbSe quantum dot-doped fiber amplifier,” Opt. Commun. 277(2), 372–378 (2007).
[Crossref]

L. Zhang, B. Zhang, L. Ning, S. Li, and Y. Zheng, “Comprehensive size effect on PbSe quantum dot-doped liquid-core optical fiber,” Opt. Commun. 383, 371–377 (2017).
[Crossref]

Opt. Lett. (1)

Opt. Mater. Express (1)

RSC Advances (2)

X. Zhang, Y. Zhang, L. Yan, H. Wu, W. Gao, J. Zhao, and W. W. Yu, “PbSe nanocrystal solar cells using bandgap engineering,” RSC Advances 5(80), 65569–65574 (2015).
[Crossref]

L. Yan, X. Shen, Y. Zhang, T. Zhang, X. Zhang, Y. Feng, J. Yin, J. Zhao, and W. W. Yu, “Near-infrared light emitting diodes using PbSe quantum dots,” RSC Advances 5(67), 54109–54114 (2015).
[Crossref]

Sensors (Basel) (1)

P. Jorge, M. A. Martins, T. Trindade, J. L. Santos, and F. Farahi, “Optical fiber sensing using quantum dots,” Sensors (Basel) 7(12), 3489–3534 (2007).
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Small (1)

D. Grodzińska, W. H. Evers, R. Dorland, J. van Rijssel, M. A. van Huis, A. Meijerink, C. de Mello Donegá, and D. Vanmaekelbergh, “Two-fold emission from the S-shell of PbSe/CdSe core/shell quantum dots,” Small 7(24), 3493–3501 (2011).
[Crossref] [PubMed]

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Figures (6)

Fig. 1
Fig. 1 (a) The electron transition and exciton recombination process of three-level system for PbSe/CdSe QDs [23]. (b) Structure diagram of QD-doped optical fiber.
Fig. 2
Fig. 2 Abs and PL spectra of (a) 3.7 nm PbSe QDs (sample 1), (b) 3.7 nm PbSe/CdSe core/shell QDs with a core size of 3.2 nm (sample 2), and (c) 4.2 nm PbSe/CdSe core/shell QDs with a core size of 2.1 nm (sample 3) [35]. Also shown here are correspondingly calculated Stokes shift (d), fluorescence lifetime (e) and absorption cross section (f) of the three samples.
Fig. 3
Fig. 3 Emission spectra of sample 1 (a), sample 2 (b) and sample 3 (c) doped optical fibers with different fiber lengths. Also shown here are correspondingly calculated optimized emission intensity (d), red-shift of the optimal emission spectrum relative to the PL spectrum (e) and optimal fiber length for emission intensity (f). “1, 2, and 3” labeled on the axis represent optical fibers doped with sample 1, sample 2 and sample 3, respectively.
Fig. 4
Fig. 4 Evolution of emission intensity and peak position of spectra with fiber length when fiber diameters are 20, 40, 60, 80, 100 and 120 µm for sample 3 and sample 1 -doped optical fibers. The dots are calculated data and the lines are polynomial fitting lines for comparison. Star symbols represent experimental data [26] performed under a fiber diameter of 100 µm, doping concentration of 7.2 × 1021 /m3 and pump wavelength of 532 nm.
Fig. 5
Fig. 5 Evolution of the intensity (a) and peak position (b) of the emission spectra with doping concentration for sample 3 (black square) and sample 1 (red circle)- doped optical fibers.
Fig. 6
Fig. 6 Evolution of the intensity of emission spectra with pump power for sample 3 (black square) and sample 1 (red circle) -doped optical fibers.

Tables (1)

Tables Icon

Table 1 Optical properties of three samples [35]

Equations (10)

Equations on this page are rendered with MathJax. Learn more.

d n 1 dt =( W 13 + W 12 ) n 1 +( W 21 + A 21 + A 21 NR ) n 2
d n 2 dt = W 12 n 1 ( W 21 + A 21 + A 21 NR ) n 2 + A 32 NR n 3
d n 3 dt = W 13 n 1 A 32 NR n 3
n t = n 1 + n 2 +n 3
d P λ s ( z ) dz = σ e ( λ s ) 0 R i s ( r ) n 2 ( r,z )[ P λ s ( z )+mh ν s Δ ν s ]2πrdr σ a ( λ s ) 0 R i s ( r ) n 1 ( r,z ) P λ s ( z )2πrdr l ν P λ s ( z )
d P p ( z ) dz = σ a ( λ p ) 0 R i p ( r ) n 1 ( r,z ) P p ( z )2πrdr l ν P p ( z )
P s ( λ )= j=1 M P s ( r j ,λ ) = P s ( r 1 ) [ J 0 ( V 1 ) ] 2 j=1 M [ J 0 ( V j ) ] 2
M= 4 R 2 λ 2 ( n core 2 n clad 2 )
τ NR = ( C A n eh 2 ) 1 = ( C A N 2 V 2 ) 1
τ NR = 16 π 2 72β D 3 σ a 2 1 j p 2 =k 1 j p 2

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