发光学报2024，Vol.45Issue(6)：996-1004,9.DOI:10.37188/CJL.20240053
埋底界面修饰实现高效稳定钙钛矿太阳能电池
Efficient and Stable Perovskite Solar Cells Achieved by Subsurface Interface Modification
摘要
Abstract
Interface engineering at the bottom can effectively enhance the efficiency and stability of perovskite solar cells.In this study,the surface modifier,bis(triphenylphosphine)cobalt chloride(BTPPCC),was employed as a pre-buried interface modifier,successfully passivating the surface-enriched defects of MAPbI3 perovskite films.This optimization improved the interface contact between the perovskite film and the underlying hole transport layer(HTL),enhancing the crystalline performance of the perovskite absorption layer.Additionally,BTPPCC effectively suppressed non-radiative recombination at the interface,improving the long-term stability of the device.As a result,the power conversion efficiency(PCE)of the p-i-n type device increased from 18.37%to 20.12%.The unencapsu-lated device maintained an efficiency of over 76%after continuous operation for nearly 500 hours in an ambient air environment with a relative humidity(RH)of 50%at room temperature.This study provides an effective method for optimizing the buried interface in perovskite solar cells.关键词
钙钛矿太阳能电池/埋底界面/缺陷钝化Key words
perovskite solar cells/buried bottom interface/defect passivatio分类
信息技术与安全科学引用本文复制引用
陈中良,胡文涛,王雪璐,徐敬华,孙超,姚叶锋..埋底界面修饰实现高效稳定钙钛矿太阳能电池[J].发光学报,2024,45(6):996-1004,9.基金项目
国家自然科学基金(22274052,22209048 （）
江苏省市场监督管理局科技计划项目(KJ2022039)Supported by National Natural Science Foundation of China(22274052,22209048) （KJ2022039）
Jiangsu Province Market Regulatory Administration Science and Technology Plan Project(KJ2022039) （KJ2022039）
