Lattice Stabilized and Emission Tunable Pure‐Bromide Quasi‐2D Perovskite for Air‐Processed Blue Light‐Emitting Diodes. - Guo, Yangyang; Yang, Penghui; Dong, Fan; Li, Huixin; Gao, Jialiang; Cheng, Zeyi; Wu, Jiandong; Xu, Yadong; Wang, Hongyue; Wang, Hongqiang (Advanced Science, 2025)