Transactions on Electrical and Electronic Materials

  • 제4권5호
  • /
  • Pages.28-32
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  • 2003
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  • 1229-7607(pISSN)
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  • 2092-7592(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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Synthesis and Luminescence Characterization of En3+ Doped Gd2O3 Phosphors by Combustion Method

  • Jeong, Young-Ho (Advanced Energy Materials & Application Research Department, Korea Institute of Energy Research) ;
  • Myung, Kwang-Shik (Advanced Energy Materials & Application Research Department, Korea Institute of Energy Research) ;
  • Kim, Jung-Duk (Advanced Energy Materials & Application Research Department, Korea Institute of Energy Research) ;
  • Han, Sang-Do (Advanced Energy Materials & Application Research Department, Korea Institute of Energy Research) ;
  • Park, Jin-Won (Department of Chemical Engineering, Yonsei University) ;
  • Singh, K.C. (Department of Chemistry, Maharshi Dayanand University)
  • 발행 : 2003.10.01
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초록

Europium-doped gadolinium oxide ($Gd_2O_3;Eu^{3+}$) phosphors have been prepared by combustion method using urea[H$_2$NCONH$_2$] or carbohydrazide[H$_2$NNHCONHNH$_2$] as fuel materials in a preheated furnace at 500$^{\circ}C$. The phosphors obtained were fired at 1200$^{\circ}C$ for 3 hours to get better luminescent properties. The combustion method used was found to be a simple and fast method for the preparation of fine-sized particles. The influence of the fuel/oxidant (urea or carbohydrazide/nitrate) mole ratio on the phosphor has been investigated and the optimum values for various parameters have been determined. By this method, phosphor that has better brightness and smaller size particles than that obtained by conventional method has been prepared.d has been prepared.

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