Citation: Zhang, Wenhao; Zhang, Weihua; Wang, Kai; Chu, Yanmeng; Du, Jiankang; Mei, Anyi; Rong, Yaoguang; Hu, Yue; Han, Hongwei (2021). Revealing the Role of Bifunctional Molecules in Crystallizing Methylammonium Lead Iodide through Geometric Isomers. Chemistry of Materials, , pp. -.