Defect passivation by nontoxic biomaterial yields 21% efficiency perovskite solar cells

Shaobing Xiong,Tianyu Hao,Yuyun Sun,Jianming Yang,Ruru Ma,Jiulong Wang,Shijing Gong,Xianjie Liu,Liming Ding,Mats Fahlman,Qinye Bao

Journal of Energy Chemistry（2021）

引用 51|浏览69

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摘要

Nontoxic forest-based biomaterial is introduced into perovskites as effective defect passivator, which not only increases power conversion efficiency from 19.14% to 21.15%, but also significantly enhances humidity, thermal and light stability of perovskite solar cells.

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关键词

Perovskite solar cells,Defect passivation,Nontoxic biomaterial,Efficiency

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