Crown ether-based interface modification for inverted perovskite solar cells with enhanced efficiency and stability
Yang ZhangInstitute of New Energy and Low-Carbon Technology & College of Materials Science and Engineering, Sichuan University, Chengdu 610065, ChinaTing JiangInstitute of New Energy and Low-Carbon Technology & College of Materials Science and Engineering, Sichuan University, Chengdu 610065, ChinaJingquan ZhangEngineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, ChinaLili WuEngineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, ChinaGuanggen ZengEngineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, ChinaBaoyan FanCollege of Materials and New Energy, Chongqing University of Science and Technology, Chongqing 401331, ChinaKomiljon YakubovDepartment of Physics, Urgench State University, Urgench 220100, UzbekistanTulkin NurmurodovDepartment of Chemical Technology, Navoi State University of Mining and Technologies, Navoi 210100, UzbekistanИ. А. РахматуллаевDepartment of Mathematics and Physics, Alfraganus University, Tashkent 100190, UzbekistanXia HaoEngineering Research Center of Alternative Energy Materials & Devices, Ministry of Education, Chengdu 610065, China
ABI
Abstract
A crown ether named dibenzo-18-crown-6 is introduced to modify the interface between the perovskite and the electron transport layers. Due to its unique electron cavity and electron-rich system, it effectively passivates defects and simultaneously suppresses cation migration, thereby achieving a high power conversion efficiency of 24.19% with excellent stability.
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