Enhancing open-circuit voltage in FAPbI<sub>3</sub> perovskite solar cells <i>via</i> self-formation of coherent buried interface FAPbI<sub><i>x</i></sub>Cl<sub>3−<i>x</i></sub>
Cuina GaoCollege of Science, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, P. R. ChinaSihui JiaCollege of Science, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, P. R. ChinaXiaofei YinZhi LiChangzhou Houde Renewable Resources Technology Company Limited, Jiangsu, Changzhou 213133, P. R. ChinaZhi LiChangzhou Houde Renewable Resources Technology Company Limited, Jiangsu, Changzhou 213133, P. R. ChinaGuang YangCollege of Science, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, P. R. ChinaJing ChenCollege of Science, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, P. R. ChinaZhaoqian LiChangzhou Houde Renewable Resources Technology Company Limited, Jiangsu, Changzhou 213133, P. R. ChinaXing‐Tao AnCollege of Science, Hebei University of Science and Technology, 26 Yuxiang Road, Shijiazhuang 050018, P. R. China
2025en
ABI
Аннотация
. This interlayer significantly improved charge extraction and transportation from the perovskite layer, while reducing trap state density. As a result, the open-circuit voltage increased from 1.01 V to 1.10 V, with the PCE improved from 19.05% to 22.89%.
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