![Upconversion Luminescence Properties of Yb<SUP>3+</SUP>, Gd<SUP>3+</SUP>, and Tm<SUP>3+</SUP> Co-Doped NaYF<SUB>4</SUB> Microcrystals Synthesized by the Hydrothermal Method]()
Upconversion Luminescence Properties of Yb<SUP>3+</SUP>, Gd<SUP>3+</SUP>, and Tm<SUP>3+</SUP> Co-Doped NaYF<SUB>4</SUB> Microcrystals Synthesized by the Hydrothermal MethodZheng, Kezhi; Qin, Weiping; Wang, Guofeng; Wei, Guodong; Zhang, Daisheng; Wang, Lili; Kim, Ryonginjin; Liu, Ning; Ding, Fuheng; Xue, Xiaojie; Jiang, Tao; Yang, Renyuan · Journal of Nanoscience and Nanotechnology · 2010