Investigation of hot carriers in highly stable FA0.8Cs0.2Pb1.02I2.4Br0.6Cl0.02 perovskite solar cells

Hadi Afshari; Varun N. Mapara; Megh N. Khanal; Vincent R. Whiteside; Rebecca A. Scheidt; Matthew C. Beard; Giles E. Eperon; Madalina Furis; Ian R. Sellers

doi:10.1117/12.3003351

19 March 2024 Investigation of hot carriers in highly stable FA_0.8Cs_0.2Pb_1.02I_2.4Br_0.6Cl_0.02 perovskite solar cells

Hadi Afshari, Varun N. Mapara, Megh N. Khanal, Vincent R. Whiteside, Rebecca A. Scheidt, Matthew C. Beard, Giles E. Eperon, Madalina Furis, Ian R. Sellers

Author Affiliations +

Proceedings Volume PC12881, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XIII; PC128810D (2024) https://doi.org/10.1117/12.3003351
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

The hot carrier dynamics of thermally stable triple halide perovskite solar cells are investigated through power dependent transient absorption (TA) measurements. The TA measurements from both front and back sides of the solar cells were done to better understand the cooling processes. After extracting the PV parameters of the solar cells from the J-V characteristics, the TA measurements were repeated in-operando conditions and under varying external biases to monitor the thermalization of the carriers in more practical conditions.

Conference Presentation

Citation Download Citation

Hadi Afshari, Varun N. Mapara, Megh N. Khanal, Vincent R. Whiteside, Rebecca A. Scheidt, Matthew C. Beard, Giles E. Eperon, Madalina Furis, and Ian R. Sellers "Investigation of hot carriers in highly stable FA_0.8Cs_0.2Pb_1.02I_2.4Br_0.6Cl_0.02 perovskite solar cells", Proc. SPIE PC12881, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XIII, PC128810D (19 March 2024); https://doi.org/10.1117/12.3003351

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