Preparation of CuES-Coated ZnS:Ag, Cl Phosphor Film with In_2O_3 Coprecipitation
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概要
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In this study, the Cu_xS conductive layer is coated on the particle surface of ZnS:Ag, Cl by a wet chemical reaction and using Cu(CH_3COO)_2.H_2O as the coating source. The low-voltage phosphor film is prepared with In_2O_3 coprecipitation. From the analyses of X-ray diffraction (XRD) patterns, a preferential orientation phenomenon of the phosphor film is observed. Electron probe microanalysis (EPMA) reveals that Cu ions in the CuTS-coated ZnS:Ag, Cl are homogeneously distributed. After 4 h of coating at room temperature, the Cu and 0 concentrations in the CuSS-coated ZnS:Ag, Cl phosphor are 2.41 and 0.125 mol%, respectively. The luminance of the phosphor increases with coating time and coating solution concentration. However, the luminance of phosphor film is degraded due to the oxidized phosphor surface. In_2O_3 coprecipitated with the prepared phosphor film enhances the luminance and stabilizes the luminance efficiency of the phosphor.
- 社団法人応用物理学会の論文
- 2002-09-15
著者
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Yang Su-hua
Department Of Electronic Engineering National Kaohsiung University Of Applied Sciences
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Yang Su-hua
Department Of Electrical Engineering National Cheng Kung University
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Yokoyama Meiso
Department Of Electrical Engineering National Cheng Kung University
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