Thermally stable and efficient CsF-doped All-Inorganic CsPbIBr2 perovskite solar cells exceeding 15% PCE

Ubaid Khan,Abdur Rauf,Shan Feng,Abdul Rehman Akbar,Gangqiang Peng,Qianfeng Zheng,Rongguang Wu,Mehreen Khan,Zhengchun Peng,Fude Liu

Inorganic Chemistry Communications（2023）

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摘要

•Highly compact CsF-doped all-inorganic CsPbIBr2 perovskite were fabricated.•By optimum doping of 0.5% CsF, the device achieved a maximum PCE of 15.54%•Thermal stability for 45 days with no significant change in Voc was observed.•Improved morphology enabled to supress charge recombination and low trap density.

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关键词

CsF-doping, CsPbIBr2, Thermal stability, Perovskite solar cells, PCE

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