Research Article

Facile Synthesis of Yb3+- and Er3+-Codoped LiGdF4 Colloidal Nanocrystals with High-Quality Upconversion Luminescence

Figure 3

XRD patterns of LiGdF4:Yb3+/Er3+ colloidal nanocrystals, which are synthesized at and , 290°C, 300°C, and 310°C.