Decoupling light- and oxygen-induced degradation mechanisms of Sn–Pb perovskites in all perovskite tandem solar cells
Yang Bai, Ruijia Tian, Kexuan Sun, Chang Liu, Xiting Lang, Ming Yang, Yuanyuan Meng, Chuanxiao Xiao, Yaohua Wang, Xiaoyi Lü, Jingnan Wang, Haibin Pan, Zhenhua Song, Shujing Zhou, Ziyi Ge
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%.
Topics & Concepts
Decoupling (probability)Perovskite (structure)TandemDegradation (telecommunications)Materials scienceDopingOxygenOptoelectronicsChemical engineeringChemistryComposite materialComputer scienceOrganic chemistryTelecommunicationsEngineeringControl engineeringPerovskite Materials and ApplicationsConducting polymers and applicationsChalcogenide Semiconductor Thin Films