Excellent red upconversion luminescence in GdLaO3:Er3+/Yb3+/Sc3+ under 980 nm laser excitation
Meiling Li,
Yongze Cao,
Lihong Cheng
et al.
Abstract:A series of (Gd0.8-xEr0.1Yb0.1Scx)LaO3 and (Gd0.8Er0.1Yb0.1)(La1-xScx)O3 upconversion luminescence (UCL) phosphors were prepared by solid state sintering technology. The structure, diffuse reflection, and UCL spectra were investigated. (Gd0.8Er0.1Yb0.1)(La0.9Sc0.1)O3 represents excellent red...
LaTa7O19(LTO):Er3+/Yb3+ upconversion luminescence (UCL) phosphors with hexagonal structure was successfully prepared by a molten salt synthesis using KCl as solvent. Increasing holding temperature from 825 to 1150oC, the LTO structure...
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