Decoupling light- and oxygen-induced degradation mechanisms of Sn–Pb perovskites in all perovskite tandem solar cells
Yang Bai(Chinese Academy of Sciences), Ruijia Tian(Chinese Academy of Sciences), Kexuan Sun(Chinese Academy of Sciences), Chang Liu(Chinese Academy of Sciences), Xiting Lang(Chinese Academy of Sciences), Ming Yang(Chinese Academy of Sciences), Yuanyuan Meng(Chinese Academy of Sciences), Chuanxiao Xiao(Chinese Academy of Sciences), Yaohua Wang(Chinese Academy of Sciences), Xiaoyi Lü(Chinese Academy of Sciences), Jingnan Wang(Chinese Academy of Sciences), Haibin Pan(Chinese Academy of Sciences), Zhenhua Song(Chinese Academy of Sciences), Shujing Zhou(Chinese Academy of Sciences), Ziyi Ge(Chinese Academy of Sciences)
Cited by 63Open Access
Abstract
This study showed PEHCl-CN can enhance the strength of Sn–I, resulting in good light stability. The subsequent doping of MBI resulted in good air stability. This enables the integrated 2T all-perovskite device to achieve an efficiency of 27.9%.
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