Pure green upconversion luminescence and temperature sensing of NaY(WO4)2:Er3+/Yb3+ prepared by molten salt method. - Li, Meiling; Cao, Yongze; Cheng, Lihong; Fan, Yuhan; Wang, Yichao; Li, Xiangping; Zhang, Xizhen; Chen, Baojiu (Journal of Materials Science: Materials in Electronics, 2025)