High Quality CsPbI<sub>3−</sub><i><sub>x</sub></i>Br<i><sub>x</sub></i> Thin Films Enabled by Synergetic Regulation of Fluorine Polymers and Amino Acid Molecules for Efficient Pure Red Light Emitting DiodesKunhua Wang, Hong‐Bin Yao, Yuying Liu et al.|Advanced Optical Materials|2020Cited by 32