Effect of Li+ ions doping on the luminescence properties of NaY(WO4)2:0.07Yb3+/0.025Er3+ upconversion phosphor
WU Kunyao, XI Zengzhe, LI Zhao, ZHANG Jin, LONG Wei
Journal of Functional Materials . 2022, (2): 2140 -2145 .  DOI: 10.3969/j.issn.1001-9731.2022.02.021