Synergistic layer engineering for high-efficiency blue emission in pure-bromide quasi-2D perovskite light-emitting diodes. - Yu, Jiaming; Jia, Bochao; Zhang, Shuguang; Guo, Yachun; Liang, Yue; Chen, Jiangshan; Lan, Linfeng; Peng, Junbiao (Chemical Engineering Journal, 2026)