Low‐Dimensional Phase Regulation to Restrain Non‐Radiative Recombination for Sky‐Blue Perovskite LEDs with EQE Exceeding 15 %. - Wang, Bin; Zhou, Yu‐Hang; Yuan, Shuai; Lou, Yan‐Hui; Wang, Kai‐Li; Xia, Yu; Chen, Chun‐Hao; Chen, Jing; Shi, Yi‐Ran; Wang, Zhao‐Kui; Liao, Liang‐Sheng (Angewandte Chemie International Edition, 2023)