Cesium Ion-Enhanced Lead-Free Organic–Inorganic Hybrid Cs0.2(MPA)0.8BiI4 Perovskites Photovoltaic Properties and Quasi-Single-Crystal Thin Films. - Zhao, Qiule; Zhu, Yin; Wei, Xiaopeng; Zheng, Guoyuan; Chen, Shuang; Mo, Shuyi; Wang, Jilin; Yao, Disheng; Tian, Nan; Long, Fei (Journal of Electronic Materials, 2025)