Abstract

Mesoporous WO3 is synthesized by using SBA-15 and KIT-6 silica as templates, and Pt nanoparticles are then incorporated into the mesochannels of mesoporous WO3. TEM and BET results demonstrate the existence of the pore structure. Hydrogen sensing tests show that the repeatability of the sensors based on mesoporous WO3 has been significantly improved by an order of magnitude. Based on XRD, TEM and Raman spectrum results, a model of Pt nanoparticles encapsulated into channels of mesoporous WO3 is proposed to explain the improved repeatability of mesoporous WO3.

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

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  1. S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
    [Crossref]
  2. H. Nakagawa, N. Yamamoto, S. Okazaki, T. Chinzei, and S. Asakura, “A room-temperature operated hydrogen leak sensor,” Sens. Actuators B Chem. 93(1-3), 468–474 (2003).
    [Crossref]
  3. R. Jiang, F. Qin, Q. Ruan, J. Wang, and C. Jin, “Ultrasensitive Plasmonic Response of Bimetallic Au/Pd Nanostructures to Hydrogen,” Adv. Funct. Mater. 24(46), 7328–7337 (2014).
    [Crossref]
  4. M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
    [Crossref]
  5. X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
    [Crossref] [PubMed]
  6. J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
    [Crossref]
  7. C. Caucheteur, M. Debliquy, D. Lahem, and P. Megret, “Hybrid fiber gratings coated with a catalytic sensitive layer for hydrogen sensing in air,” Opt. Express 16(21), 16854–16859 (2008).
    [Crossref] [PubMed]
  8. J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).
  9. G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
    [Crossref]
  10. J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
    [Crossref]
  11. D. Y. Zhao, J. L. Feng, Q. S. Huo, N. Melosh, G. H. Fredrickson, B. F. Chmelka, and G. D. Stucky, Triblock Copolymer Syntheses of Mesoporous Silica with Periodic 50 to 300 Angstrom Pore,” Science 279, 548 (1998).
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    [Crossref] [PubMed]
  13. G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
    [Crossref]
  14. J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
    [Crossref]
  15. E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
    [Crossref]
  16. W. Feng, G. Wu, and G. Gao, “Ordered mesoporous WO3film with outstanding gasochromic properties,” J. Mater. Chem. A Mater. Energy Sustain. 2(3), 585–590 (2014).
    [Crossref]
  17. S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
    [Crossref]

2016 (1)

X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
[Crossref] [PubMed]

2014 (4)

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

R. Jiang, F. Qin, Q. Ruan, J. Wang, and C. Jin, “Ultrasensitive Plasmonic Response of Bimetallic Au/Pd Nanostructures to Hydrogen,” Adv. Funct. Mater. 24(46), 7328–7337 (2014).
[Crossref]

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

W. Feng, G. Wu, and G. Gao, “Ordered mesoporous WO3film with outstanding gasochromic properties,” J. Mater. Chem. A Mater. Energy Sustain. 2(3), 585–590 (2014).
[Crossref]

2013 (1)

M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
[Crossref]

2012 (2)

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

2009 (2)

J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
[Crossref]

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

2008 (2)

C. Caucheteur, M. Debliquy, D. Lahem, and P. Megret, “Hybrid fiber gratings coated with a catalytic sensitive layer for hydrogen sensing in air,” Opt. Express 16(21), 16854–16859 (2008).
[Crossref] [PubMed]

G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
[Crossref]

2007 (1)

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

2003 (2)

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

H. Nakagawa, N. Yamamoto, S. Okazaki, T. Chinzei, and S. Asakura, “A room-temperature operated hydrogen leak sensor,” Sens. Actuators B Chem. 93(1-3), 468–474 (2003).
[Crossref]

2000 (1)

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Albouy, P.-A.

J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
[Crossref]

Arbiol, J.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Arichi, J.

G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
[Crossref]

Asakura, S.

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

H. Nakagawa, N. Yamamoto, S. Okazaki, T. Chinzei, and S. Asakura, “A room-temperature operated hydrogen leak sensor,” Sens. Actuators B Chem. 93(1-3), 468–474 (2003).
[Crossref]

Bai, W.

X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
[Crossref] [PubMed]

Bardez, I.

J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
[Crossref]

Bart, F.

J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
[Crossref]

Bo, T.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Caucheteur, C.

Cheong, H. M.

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Chinzei, T.

H. Nakagawa, N. Yamamoto, S. Okazaki, T. Chinzei, and S. Asakura, “A room-temperature operated hydrogen leak sensor,” Sens. Actuators B Chem. 93(1-3), 468–474 (2003).
[Crossref]

Choi, Y.

M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
[Crossref]

Cornet, A.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Dai, J.

X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
[Crossref] [PubMed]

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

Davidson, A.

J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
[Crossref]

Deb, S. K.

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Debliquy, M.

Deng, S. Z.

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

Feng, W.

W. Feng, G. Wu, and G. Gao, “Ordered mesoporous WO3film with outstanding gasochromic properties,” J. Mater. Chem. A Mater. Energy Sustain. 2(3), 585–590 (2014).
[Crossref]

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

Gao, G.

W. Feng, G. Wu, and G. Gao, “Ordered mesoporous WO3film with outstanding gasochromic properties,” J. Mater. Chem. A Mater. Energy Sustain. 2(3), 585–590 (2014).
[Crossref]

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Garin, F.

G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
[Crossref]

Gong, L.

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

Guo, J.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Hernández-Ramírez, F.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Hosoki, M.

M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
[Crossref]

Huang, C.

X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
[Crossref] [PubMed]

Igawa, H.

M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
[Crossref]

Jiang, R.

R. Jiang, F. Qin, Q. Ruan, J. Wang, and C. Jin, “Ultrasensitive Plasmonic Response of Bimetallic Au/Pd Nanostructures to Hydrogen,” Adv. Funct. Mater. 24(46), 7328–7337 (2014).
[Crossref]

Jin, C.

R. Jiang, F. Qin, Q. Ruan, J. Wang, and C. Jin, “Ultrasensitive Plasmonic Response of Bimetallic Au/Pd Nanostructures to Hydrogen,” Adv. Funct. Mater. 24(46), 7328–7337 (2014).
[Crossref]

Kiennemann, A.

G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
[Crossref]

Lahem, D.

Laugel, G.

G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
[Crossref]

Lee, S.-H.

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Li, Z.

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

Liang, S.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Liang, T.

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Liu, J.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Liu, P.

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Louis, B.

G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
[Crossref]

Luo, J. Y.

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

Ma, T.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Mascanrenhas, A.

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Megret, P.

Molière, M.

G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
[Crossref]

Morante, J. R.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Murayama, H.

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

Nakagawa, H.

H. Nakagawa, N. Yamamoto, S. Okazaki, T. Chinzei, and S. Asakura, “A room-temperature operated hydrogen leak sensor,” Sens. Actuators B Chem. 93(1-3), 468–474 (2003).
[Crossref]

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

Ni, X. Y.

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Nishiyama, M.

M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
[Crossref]

Okazaki, S.

H. Nakagawa, N. Yamamoto, S. Okazaki, T. Chinzei, and S. Asakura, “A room-temperature operated hydrogen leak sensor,” Sens. Actuators B Chem. 93(1-3), 468–474 (2003).
[Crossref]

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

Peiró, F.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Pellicer, E.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Pitts, J. R.

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Prim, A.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Qin, F.

R. Jiang, F. Qin, Q. Ruan, J. Wang, and C. Jin, “Ultrasensitive Plasmonic Response of Bimetallic Au/Pd Nanostructures to Hydrogen,” Adv. Funct. Mater. 24(46), 7328–7337 (2014).
[Crossref]

Rossinyol, E.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Ruan, Q.

R. Jiang, F. Qin, Q. Ruan, J. Wang, and C. Jin, “Ultrasensitive Plasmonic Response of Bimetallic Au/Pd Nanostructures to Hydrogen,” Adv. Funct. Mater. 24(46), 7328–7337 (2014).
[Crossref]

Seki, A.

M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
[Crossref]

Shen, J.

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Shi, J. C.

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Shi, Y.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Smith, D.

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Solovyov, L. A.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Tan, H. D.

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

Tian, B.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Tomiuchi, Y.

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

Tracy, C. E.

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

Tsuji, N.

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

van der Meer, J.

J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
[Crossref]

Wallez, G.

J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
[Crossref]

Wang, A.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Wang, G.

X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
[Crossref] [PubMed]

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

Wang, J.

R. Jiang, F. Qin, Q. Ruan, J. Wang, and C. Jin, “Ultrasensitive Plasmonic Response of Bimetallic Au/Pd Nanostructures to Hydrogen,” Adv. Funct. Mater. 24(46), 7328–7337 (2014).
[Crossref]

Wang, Y.

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

Washiya, M.

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

Watanabe, K.

M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
[Crossref]

Wei, H.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Wu, G.

W. Feng, G. Wu, and G. Gao, “Ordered mesoporous WO3film with outstanding gasochromic properties,” J. Mater. Chem. A Mater. Energy Sustain. 2(3), 585–590 (2014).
[Crossref]

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

Wu, G. M.

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Wu, J.

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

Xu, N. S.

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

Yamamoto, N.

H. Nakagawa, N. Yamamoto, S. Okazaki, T. Chinzei, and S. Asakura, “A room-temperature operated hydrogen leak sensor,” Sens. Actuators B Chem. 93(1-3), 468–474 (2003).
[Crossref]

Yang, M.

X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
[Crossref] [PubMed]

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

Yang, Z.

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

Zeng, Q. G.

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

Zhang, T.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Zhang, Y.

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

Zhang, Z.

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

Zhang, Z. H.

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Zhao, C.

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Zhao, D.

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

Zhong, X.

X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
[Crossref] [PubMed]

Zhou, B.

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Zhuang, Z.

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

Adv. Funct. Mater. (2)

E. Rossinyol, A. Prim, E. Pellicer, J. Arbiol, F. Hernández-Ramírez, F. Peiró, A. Cornet, J. R. Morante, L. A. Solovyov, B. Tian, T. Bo, and D. Zhao, “Synthesis and Characterization of Chromium-Doped Mesoporous Tungsten Oxide for Gas Sensing Applications,” Adv. Funct. Mater. 17(11), 1801–1806 (2007).
[Crossref]

R. Jiang, F. Qin, Q. Ruan, J. Wang, and C. Jin, “Ultrasensitive Plasmonic Response of Bimetallic Au/Pd Nanostructures to Hydrogen,” Adv. Funct. Mater. 24(46), 7328–7337 (2014).
[Crossref]

Adv. Mater. (1)

Y. Shi, C. Zhao, H. Wei, J. Guo, S. Liang, A. Wang, T. Zhang, J. Liu, and T. Ma, “Single-atom catalysis in mesoporous photovoltaics: the principle of utility maximization,” Adv. Mater. 26(48), 8147–8153 (2014).
[Crossref] [PubMed]

Catal. Today (1)

G. Laugel, J. Arichi, M. Molière, A. Kiennemann, F. Garin, and B. Louis, “Metal oxides nanoparticles on SBA-15: Efficient catalyst for methane combustion,” Catal. Today 138(1-2), 38–42 (2008).
[Crossref]

J. Appl. Phys. (1)

S.-H. Lee, H. M. Cheong, P. Liu, D. Smith, C. E. Tracy, A. Mascanrenhas, J. R. Pitts, and S. K. Deb, “Gasochromic mechanism in a-WO3 thin films based on Raman spectroscopic studies,” J. Appl. Phys. 88(5), 3076–3078 (2000).
[Crossref]

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

W. Feng, G. Wu, and G. Gao, “Ordered mesoporous WO3film with outstanding gasochromic properties,” J. Mater. Chem. A Mater. Energy Sustain. 2(3), 585–590 (2014).
[Crossref]

Journal of Functional Materials & Devices (1)

J. C. Shi, G. M. Wu, G. Gao, T. Liang, J. Shen, B. Zhou, X. Y. Ni, and Z. H. Zhang, “Effects of water on the gasochromc properties of WO3 thin films,” Journal of Functional Materials & Devices 15, 459–465 (2009).

Microporous Mesoporous Mater. (1)

J. van der Meer, I. Bardez, F. Bart, P.-A. Albouy, G. Wallez, and A. Davidson, “Dispersion of Co3O4 nanoparticles within SBA-15 using alkane solvents,” Microporous Mesoporous Mater. 118(1-3), 183–188 (2009).
[Crossref]

Opt. Express (1)

Sci. Rep. (1)

X. Zhong, M. Yang, C. Huang, G. Wang, J. Dai, and W. Bai, “Water photolysis effect on the long-term stability of a fiber optic hydrogen sensor with Pt/WO3,” Sci. Rep. 6(1), 39160 (2016).
[Crossref] [PubMed]

Sens. Actuators B Chem. (6)

J. Dai, M. Yang, Z. Yang, Z. Li, Y. Wang, G. Wang, Y. Zhang, and Z. Zhuang, “Performance of fiber Bragg grating hydrogen sensor coated with Pt-loaded WO3 coating,” Sens. Actuators B Chem. 190, 657–663 (2014).
[Crossref]

S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama, and M. Washiya, “Sensing characteristics of an optical fiber sensor for hydrogen leak,” Sens. Actuators B Chem. 93(1-3), 142–147 (2003).
[Crossref]

H. Nakagawa, N. Yamamoto, S. Okazaki, T. Chinzei, and S. Asakura, “A room-temperature operated hydrogen leak sensor,” Sens. Actuators B Chem. 93(1-3), 468–474 (2003).
[Crossref]

M. Hosoki, M. Nishiyama, H. Igawa, A. Seki, Y. Choi, and K. Watanabe, “A surface plasmon resonance hydrogen sensor using Au/Ta2O5/Pd multi-layers on hetero-core optical fiber structures,” Sens. Actuators B Chem. 185, 53–58 (2013).
[Crossref]

G. Gao, J. Wu, G. Wu, Z. Zhang, W. Feng, J. Shen, and B. Zhou, “Phase transition effect on durability of WO3 hydrogen sensing films: An insight by experiment and first-principle method,” Sens. Actuators B Chem. 171–172, 1288–1291 (2012).
[Crossref]

J. Y. Luo, L. Gong, H. D. Tan, S. Z. Deng, N. S. Xu, Q. G. Zeng, and Y. Wang, “Study of the catalyst poisoning and reactivation of Pt nanoparticles on the surface of WO3 nanowire in gasochromic coloration,” Sens. Actuators B Chem. 171–172, 1117–1124 (2012).
[Crossref]

Other (1)

D. Y. Zhao, J. L. Feng, Q. S. Huo, N. Melosh, G. H. Fredrickson, B. F. Chmelka, and G. D. Stucky, Triblock Copolymer Syntheses of Mesoporous Silica with Periodic 50 to 300 Angstrom Pore,” Science 279, 548 (1998).

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Figures (9)

Fig. 1
Fig. 1 a) Configuration of FBG hydrogen sensing system b) schematic illustration of the sensor’s fabrication process
Fig. 2
Fig. 2 a) Low-angel XRD patterns of K-Pt/WO3 and S-Pt/WO3. b) XRD patterns of K-Pt/WO3, S-Pt/WO3 and C-Pt/WO3 before cycling. c) Raman spectrum of K-Pt/WO3, S-Pt/WO3 and C-Pt/WO3 before cycling.
Fig. 3
Fig. 3 SEM images of a) S-Pt/WO3 and b) K-Pt/WO3 before cycling, TEM images of c) S-Pt/WO3 and d) K-Pt/WO3 before cycling
Fig. 4
Fig. 4 a) Nitrogen adsorption–desorption isotherms at 77 K for K-Pt/WO3 and S-Pt/WO3. b) Pore size distributions of K-Pt/WO3 and S-Pt/WO3
Fig. 5
Fig. 5 a) Response of K-Pt/WO3, S-Pt/WO3 and C-Pt/WO3 at low hydrogen concentration ranging from100 ppm to 1500 ppm. b) Response of K-Pt/WO3 at hydrogen concentration ranging from 100 ppm to 4%.
Fig. 6
Fig. 6 a) Sensing performance of K-Pt/WO3, b) S-Pt/WO3 and c) C-Pt/WO3 in 50 tests. d) Wavelength shift and the standard deviation of K-Pt/WO3, S-Pt/WO3 and C-Pt/WO3 in 50 tests.
Fig. 7
Fig. 7 Cycling performance at hydrogen concentration of 10000 ppm (1%) of K-Pt/WO3, S-Pt/WO3 and C-Pt/WO3.
Fig. 8
Fig. 8 a) XRD patterns and b) Raman spectrum of K-Pt/WO3, S-Pt/WO3 and C-Pt/WO3 before and after cycling. TEM images of c) K-Pt/WO3 and d) C-Pt/WO3 after cycling.
Fig. 9
Fig. 9 a) Structure model of K-Pt/WO3, b) S-Pt/WO3 and a schematic representation describing Pt nanoparticles encapsulated in the mesochannels of c) K-Pt/WO3 and d) S-Pt/WO3.

Tables (1)

Tables Icon

Table 1 Sensing parameters of K-Pt/WO3, S-Pt/WO3 and C-Pt/WO3

Equations (1)

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Δλ= a*b* x n 1+b* x n