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《Journal of Zhangzhou Teachers College(Natural Science)》 2006-01
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Preparation and Characterization of xSrO .yAl2O3 : Eu2+, Dy3+ Phosphors by combustion method

LIN Heng,CHEN Lin,PAN Jia-mei,LUO Zhi-ying(Department of Chemistry,Zhangzhou Normal College,Zhangzhou 363000)  
Eu2+ and Dy3+ doped strontium aluminate(SrAl204) phosphor were successfully synthesized by rapid combustion method without hecessity of further ball-grinding.Configuration and morph,grain size of the phosphor were studied by means of SEM and XRD and optical property was researched by means of ultra-visible and spectrophotofluorometer.The XRD result showed that with the decreasing of the Sr/A1 ratios the dominant host phases change from SrAl204 to Sr7Al12O25.The impure phases of Sr3Al2O6 deteriorate rather the luminescent property of SrAl204 : Eu2+,Dy3+.The spectra study of SrAl204 : Eu2+,Dy3+ shows that the main luminescence spectra of SrAl204 : Eu2+,Dy3+ is a broad band spectra peaking at 520 nm.
【Fund】: 福建省教委科研基金资助项目
【CateGory Index】: TQ422
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