Efficient and bending durable flexible Cu2ZnSn(S,Se)4 solar cells achieved by Ga doping stress regulation
MATERIALS LETTERS(2023)
摘要
•Ga doping is applied to the tailor residual stress of flexible CZTSSe thin film.•Alleviated residual stress contributes a superior microstructure of CZTSSe.•Evaporated 20 nm Ga layer exhibits the best PCE with satisfying bending durability.
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关键词
Ga doping,Cu2ZnSn(S,Se)4,Residual stress,Semiconductors,Solar energy materials
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