標題: Synthesis of Eu3+-activated yttrium oxysulfide red phosphor by flux fusion method
作者: Lo, CL
Duh, JG
Chiou, BS
Peng, CC
Ozawa, L
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: phosphor;yttrium oxysulfide;flux fusion;cathodoluminescence
公開日期: 15-Aug-2001
摘要: Synthesis of the yttrium oxysulfide red phosphor by the flux fusion method was presented. Effects of flux compositions and sintering conditions on the shape and size distribution of phosphor were studied. In addition, the optimization of firing conditions was also conducted. After firing phosphor with a flux containing (S + Na2CO3 + Li3PO4 + K2CO3)/(S + Li2CO3 + K2CO3) at a ratio of 3:1 at 1150 degreesC for 2.5 h, Y2O2S:Eu3+ phosphor was obtained without any Y2O3 as a second phase. The nearly spherical phosphor powder exhibited a mean particle size of 3 mum and a rather sharp particle size distribution. Y2O2S:Eu3+ red phosphor illuminated the most red color light with an applied probe current density of 0.51 muA/cm(2). (C) 2001 Elsevier Science BN. All rights reserved.
URI: http://dx.doi.org/10.1016/S0254-0584(01)00279-6
http://hdl.handle.net/11536/29452
ISSN: 0254-0584
DOI: 10.1016/S0254-0584(01)00279-6
期刊: MATERIALS CHEMISTRY AND PHYSICS
Volume: 71
Issue: 2
起始頁: 179
結束頁: 189
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