Nanotech 2010

Luminescence Properties of Tm3+-Doped YVO4 Phosphors

R. Balakrishnaiah, D.W. Kim, S.S. Yi, S.H. Kim, K. Jang, H.S. Lee, B.K. Moon, J.H. Jeong
Silla University, KR

Keywords: photoluminescence, Tm-doped phosphor, solid state lighting

Abstract:

YVO4:Tm3+ phosphors have been prepared by solid state reaction method and other chemical methods using high purity chemicals of Y2O3, V2O5 and Tm2O3. The synthesized materials were characterized by X-ray diffraction, scanning electron microscopy, excitation and emission measurements. The upconversion luminescence properties of Yb3+ and Tm3+-codoped YVO4 phosphors also has been investigated in the present work. The results are discussed in comparison with similar reported works.
 
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