Photo-Carrier Dynamics of MAPbI3 Perovskite Depending on Grain Size Through Time-Resolved Terahertz Spectroscopy

Byungwoo Son; Danbi Kim; Sung Heum Park; Nan-Ei Yu; Nan-Ei Yu; Do-Kyeong Ko; Do-Kyeong Ko

Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023)
Technical Digest Series (Optica Publishing Group, 2023),
paper cc_p_14

Photo-Carrier Dynamics of MAPbI₃ Perovskite Depending on Grain Size Through Time-Resolved Terahertz Spectroscopy

Byungwoo Son, Danbi Kim, Sung Heum Park, Nan-Ei Yu, and Do-Kyeong Ko

The European Conference on Lasers and Electro-Optics 2023

Munich Germany
26–30 June 2023
ISBN: 979-8-3503-4599-5

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B. Son, D. Kim, S. H. Park, N. Yu, and D. Ko, "Photo-Carrier Dynamics of MAPbI3 Perovskite Depending on Grain Size Through Time-Resolved Terahertz Spectroscopy," in Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023), Technical Digest Series (Optica Publishing Group, 2023), paper cc_p_14.

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Abstract

Time-resolved Terahertz spectroscopy(TRTS) uses an optical pump terahertz probe(OPTP) system to study the electrooptic properties of various new materials and semiconductors. Particularly, perovskite, which is currently in the spotlight in solar cells, has been studied for terahertz(THz) optoelectronic properties such as THz switching, modulation, sensor, etc [1-3]. In this study, the photoconductivity of MAPbI₃ perovskite was measured by grain size. The characteristics of the photo-carrier generated by the optical beam in the wavelength of 400 nm were investigated.

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