Decoupling light- and oxygen-induced degradation mechanisms of Sn–Pb perovskites in all perovskite tandem solar cells

Authors: Yang Bai, Ruijia Tian, Kexuan Sun, Chang Liu, Xiting Lang, Ming Yang, Yuanyuan Meng, Chuanxiao Xiao, Yaohua Wang, Xiaoyi Lu, Jingnan Wang, Haibin Pan, Zhenhua Song, Shujing Zhou, Ziyi Ge

Published: 2024-08-02

DOI: 10.1039/d4ee02427c

Source: Full article

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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%.