Chinese Journal of Quantum Electronics, Volume. 42, Issue 1, 18(2025)

Intrinsic carrier dynamics of MAPbI3 perovskites

CHENG Dabing1...2,*, WANG Jiacheng2,3, ZENG Wen2,3, YU Yuanqin1 and REN Zefeng2 |Show fewer author(s)
Author Affiliations
  • 1School of Physics and Optoelectronics Engineering, Anhui University, Hefei 230601, China
  • 2State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics,Chinese Academy of Sciences, Dalian 116023, China
  • 3University of Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(6)
    Schematic of nanosecond TA and TRPL optical path
    Timing diagram of the high sensitive nanosecond TA spectrometer
    TA sensitivity test with the micro-pulse number of 20
    (a) Visible light absorption spectrum of MAPbI3 film; (b) PL spectrum of MAPbI3 thin film at room temperature under the excitation of laser with the wavelength of 516 nm and pulse energy of 2 nJ; (c) TRPL curve at the wavelength of 778 nm and the fitting result
    Testing result of MAPbI3 thin films at 296 K. (a) TA spectra at different time delays under femtosecond laser excitation with an excitation wavelength of 517.5 nm, pulse energy of 50 nJ, and a spot diameter about 3 mm; (b) TA curves under detection wavelength of 758 nm and nanosecond pump laser pulses with energy of 4, 2, 1 nJ, and spot size of approximately 4 mm × 2.5 mm; (c) Fitting result for the pump pulse energy of 2 nJ
    Testing result of MAPbI3 thin films at 220 K. (a) TA spectra at different time delays under femtosecond laser excitation wavelength of 517.5 nm, pulse energy of 50 nJ, and a spot diameter about 3 mm; (b) TA curves under detection wavelength of 771 nm and nanosecond pump laser pulses with energy of 4, 2, 1 nJ,and spot size of approximately 4 mm × 2.5 mm; (c) Fitting result for the pump pulse energy of 2 nJ
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    Dabing CHENG, Jiacheng WANG, Wen ZENG, Yuanqin YU, Zefeng REN. Intrinsic carrier dynamics of MAPbI3 perovskites[J]. Chinese Journal of Quantum Electronics, 2025, 42(1): 18

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    Paper Information

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    Received: Mar. 13, 2023

    Accepted: --

    Published Online: Mar. 5, 2025

    The Author Email: CHENG Dabing (dbcheng@dicp.ac.cn)

    DOI:10.3969/j.issn.1007-5461.2025.01.002

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