Ultrafast THz probe of photoexcited free charge carriers in CH3NH3PbI3 and CH3NH3PbI3/Spiro-OMeTAD perovskites

Wanying Zhao; Huijie Yan; Zhiliang Ku; Xian Lin; Zuanming Jin; Guohong Ma

doi:10.1364/ISUPTW.2018.TuK18

The 9th International Symposium on Ultrafast Phenomena and Terahertz Waves
OSA Technical Digest (online) (Optica Publishing Group, 2018),
paper TuK18
•https://doi.org/10.1364/ISUPTW.2018.TuK18

Ultrafast THz probe of photoexcited free charge carriers in CH₃NH₃PbI₃ and CH₃NH₃PbI₃/Spiro-OMeTAD perovskites

Wanying Zhao, Huijie Yan, Zhiliang Ku, Xian Lin, Zuanming Jin, and Guohong Ma

International Symposium on Ultrafast Phenomena and Terahertz Waves 2018

Changsha, Hunan China
23–26 April 2018
ISBN: 978-0-9600380-8-4

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Poster Session I (TuK)

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W. Zhao, H. Yan, Z. Ku, X. Lin, Z. Jin, and G. Ma, "Ultrafast THz probe of photoexcited free charge carriers in CH3NH3PbI3 and CH3NH3PbI3/Spiro-OMeTAD perovskites," in The 9th International Symposium on Ultrafast Phenomena and Terahertz Waves, OSA Technical Digest (online) (Optica Publishing Group, 2018), paper TuK18.

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Abstract

We have used transient terahertz (THz) photoconductivity measurements to demonstrate that upon optical excitation of CH₃NH₃PbI₃ perovskite, the hole transfers from CH₃NH₃PbI₃ into organic hole-transporting material (HTM) Spiro-OMeTAD.

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