Vapor-deposited CsPbI3 solar cells demonstrate an efficiency of 16％

• 作者: Qingrong Huang Faming Li Ming Wang Yong Xiang Liming Ding Mingzhen Liu
• 来源期刊: 科学通报（英文版）
• 年，卷（期）: 2021,（8）
• 所属期刊栏目: SHORT COMMUNICATIONS
• 页码范围: 757-760
• 页数: 4页
• 语种: 英文

摘要

Hybrid organic-inorganic perovskite solar cells (PSCs) have made rapid progress in efficiency from 3.8％ to 25.5％ in the past decade [1-3].The hybrid perovskite materials possess a 3D crystal structure with a chemical formula as ABX3, where A is a monovalent cation such as methylammonium (CH3NH3+, MA+) and formamidinium (HC(NH2)2+, FA+), and B is a divalent metal cation such as Pb2+, and X is a halide (I, Br, Cl or their mixed) [4].However, the long-term stability issue has hindered large-scale commercialization of PSCs owing to the degradation and volatilization of organic cations (i.e., MA+ and FA+) [5,6].Therefore, replacing the volatile organic cations with inorganic cesium (Cs+) cation have drawn significant attention for achieving highly stable perovskite materials and devices [7,8].