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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.117  No.1363 (March) (2009)  >  pp.273-276

Journal of the Ceramic Society of Japan
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Synthesis of nanocrystalline YVO4:Eu red emission phosphor with high fluorescence intensity by hydrothermal method using original vanadium-peroxo-citrate complex

Sulawan KAOWPHONG1)2), Valery PETRYKIN2), Somchai THONGTEM1) and Masato KAKIHANA2)
1) Department of Physics, Faculty of Science, Chiang Mai University
2) Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

  Vanadium peroxo-citrate complex was used for the first time for synthesis of YVO4:Eu red emission phosphor material by hydrothermal method. It was found that particles size can be efficiently controlled in the range of 60-400 nm by changing concentration of the solution utilized for the hydrothermal process. The nanocrystalline powders of YVO4:Eu prepared at 200°C for 2 h with post-synthesis heat treatment at 1000°C exhibited high fluorescence intensity comparable or better than one of the best commercially available YVO4:Eu phosphor synthesized by conventional solid state reaction method and having much larger grain size.

Nanomaterials, Phosphors, Eu3+-doped YVO4, Hydrothermal method, Vanadium-peroxo-citrate complex

Received: November 04, 2008
Accepted: January 15, 2009 , Published online: March 01, 2009
Copyright (c) 2009 The Ceramic Society of Japan



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