Spontaneous decoration of ionic compounds at perovskite interfaces to achieve 23.38% efficiency with 85% fill factor in NiOX-based perovskite solar cells

Geping Qu,Deng Wang,Xiaoyuan Liu,Ying Qiao,Danish Khan, Yinxin Li,Jie Zeng,Pengfei Xie,Yintai Xu,Peide Zhu,Limin Huang,Yang-Gang Wang,Baomin Xu,Zong-Xiang Xu

Journal of Energy Chemistry（2023）

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摘要

π-Conjugated ionic compound QAPyBF4 was used for passivation of perovskite solar cell to improve the performance. The passivated devices demonstrated high thermal stability and efficiency with FF of 85.5%.

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关键词

Perovskite solar cell,Defect passivation,Nickel oxide,Heterojunction interface,π-Conjugated ionic compound

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