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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.117  No.1363 (March) (2009)  >  pp.330-334

Journal of the Ceramic Society of Japan
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Preparation of water soluble silicon compound and its application for synthesis of (Y,Ce,Gd)2SiO5 blue emission phosphor

Yoshihito SUZUKI1) and Masato KAKIHANA1)
1) Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

  A novel water-soluble silicon compound was synthesized by the reaction between tetraethoxysilane (TEOS) and propylene glycol. This compound is stable in aqueous solutions and miscible with water in any ratio. The potential of this new silicon reagent for synthesis of multicomponent silicate by solution based techniques was evaluated by preparation of the (Y,Ce,Gd)2SiO5 blue emission phosphor using a polymerizable complex method. Phase compositions and fluorescence properties of the prepared material was compared against reference samples prepared by either conventional solid state reaction or by a polymerizable complex method employing the other silicon reagents. It was revealed the application of new water-soluble silicon compound as a reagent for synthesis resulted in the formation of a single phase (Y,Ce,Gd)2SiO5 material at reduced temperatures and its fluorescence intensity considerably outperformed those of the phosphors prepared by the other methods in this work.

Water soluble silicon compound, Blue emission phosphor, Aqueous precursors, Solution synthesis

Received: November 25, 2008
Accepted: January 15, 2009 , Published online: March 01, 2009
Copyright (c) 2009 The Ceramic Society of Japan



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