Ethanol-Induced Deposition of a Passivation Layer to Enhance the Water Resistance and Luminescent Properties of K 2 TiF 6 : Mn 4+ Phosphors. - Yang, Haoyu; Li, Xinhua; Gu, Yongyi; Liu, Sifei; Liu, Xueyu; Tang, Xinrong; Xu, Haiyan (Materials (1996-1944), 2026)