Thermodynamically Stable Orthorhombic γ-CsPbI 3 Thin Films for High-Performance Photovoltaics

• Published in: Journal of the American Chemical Society Vol. 140; no. 37; pp. 11716 - 11725
• Main Authors: Zhao, Boya, Jin, Shi-Feng, Huang, Sheng, Liu, Ning, Ma, Jing-Yuan, Xue, Ding-Jiang, Han, Qiwei, Ding, Jie, Ge, Qian-Qing, Feng, Yaqing, Hu, Jin-Song
• Format: Journal Article
• Language: English
• Published: United States 19.09.2018

All-inorganic lead halide perovskites demonstrate improved thermal stability over the organic-inorganic halide perovskites, but the cubic α-CsPbI with the most appropriate bandgap for light harvesting is not structurally stable at room temperature and spontaneously transforms into the undesired orth...