High-performance flexible lead-free perovskite solar cells based on tin-halide perovskite films doped by reductant metal halide

Yangyang Wang,Tianhao Li,Xi Chen,Liwen Zhang

Materials Letters（2022）

引用 8|浏览2

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摘要

•Reductant metal halide FeCl2 is introduced to suppress oxidation of Sn2+.•An optimum concentration of 0.10 M FeCl2 is got to modify FA0.8MA0.2SnI2.8Br0.2 film.•The flexible lead-free solar cell with high PCE (5.24%) and stability is obtained.

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关键词

Solar energy materials,Thin films,Tin-based perovskite,Reducing agent,Defects

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