Pure and intense orange upconversion luminescence of Eu3+ from the sensitization of Yb3+–Mn2+ dimer in NaY(Lu)F4 nanocrystals
Journal of Materials Chemistry C [2014]
Zhuo Wang, Jing Feng, Shuyan Song, Zhiqiang Sun, Shuang Yao, Xin Ge, Min Pang, Hongjie Zhang