SiO2‐improved stability of Mn‐doped CsPbBr0.5I2.5NC and their application for white LED. - He, Meiling; Liu, Shengnan; Ding, Ling; Zhang, Zelong; Liu, Jianping; Xiang, Weidong; Liang, Xiaojuan (Journal of the American Ceramic Society, 2019)