Upconversion luminescence of NaGdF4:Yb3+, Er3+ in rod-like structures
LI Xin, LI Yufeng, ZHANG Dongliang, WANG Mitang
Jorunal of Functional Materials . 2024, (1): 1130 -1140 .  DOI: 10.3969/j.issn.1001-9731.2024.01.018