Luminescence characteristics of energy transfer between Ce3+ and Eu2+ in NaMgPO4 phosphor

被引：0
|
作者：
Wanjun Tang
Donghua Chen
Haijian Yang
机构：
[1] South-Central University for Nationalities,Hubei Key Laboratory for Catalysis and Material Science, College of Chemistry and Material Science
来源：
Applied Physics A | 2011年 / 103卷
关键词：
Energy Transfer; Excitation Spectrum; Luminescence Characteristic; Magnesium Phosphate; Sensitization Effectiveness;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Powder samples of NaMgPO4 doped with Eu2+ and Ce3+ were prepared and their photoluminescence spectra were systemically studied. Energy transfer from Ce3+ to Eu2+ in NaMgPO4 phosphor was observed by investigating the optical properties from photoluminescence spectra in Eu2+ or Ce3+ singly doped and Eu2+–Ce3+ codoped sodium magnesium orthophosphates, NaMgPO4. The enhancement of UV excitation is attributed to energy transfer from Ce3+ to Eu2+, and Ce3+ plays a role as a sensitizer. Ce3+–Eu2+ codoped NaMgPO4 phosphors in which Eu2+ can be efficiently excited by 390 nm are potential candidates for phosphor-converted LEDs.
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页码：263 / 266
页数：3
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