Direct Synthesis of Atomically Smooth Epitaxial PbI 2 Nanosheets for Low-Threshold Monolithic Spin Lasers - Weihao Zheng; Ying Jiang; Biyuan Zheng; Zilan Tang; Xiaoxia Wang; Xiaoli Zhu; Dong Li; Shula Chen; Yuerui Lu; Anlian Pan (Journal of the American Chemical Society, 2025)