Homogeneous Grain Boundary Passivation in Wide‐Bandgap Perovskite Films Enables Fabrication of Monolithic Perovskite/Organic Tandem Solar Cells with over 21% Efficiency

• Published in: Advanced functional materials Vol. 32; no. 19
• Main Authors: Xie, Yue‐Min, Yao, Qin, Zeng, Zixin, Xue, Qifan, Niu, Tianqi, Xia, Ruoxi, Cheng, Yuanhang, Lin, Francis, Tsang, Sai‐Wing, Jen, Alex K.‐Y., Yip, Hin‐Lap, Cao, Yong
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc 01.05.2022
• Subjects: Absorption; Crystallization; crystallization kinetics; crystallization modulation; Energy conversion efficiency; Energy gap; Grain boundaries; Heterojunctions; Materials science; mixed‐halide wide‐bandgap perovskites; monolithic perovskite/organic tandem solar cells; Optoelectronics; Perovskites; Phase stability; Photovoltaic cells; Solar cells

Monolithic perovskite/organic tandem solar cells have attracted increasing attention due to their potential of being highly efficient while compatible to facile solution fabrication processes. One of the limiting factors for improving the performance of perovskite/organic tandem cells is the lack of...