Luminescent characteristics of Sr2ZnSi2O7: Eu3+ phosphor for ultraviolet light emitting diodes

被引：0
|
作者：
Yao, Shan-shan [1 ]
Xue, Li-hong [1 ]
Yan, You-wei [1 ]
Li, Yuan-yuan [1 ]
Yan, Mi-fang [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, Coll Mat Sci & Engn, Wuhan 430074, Peoples R China
来源：
JOURNAL OF CERAMIC PROCESSING RESEARCH | 2010年 / 11卷 / 06期
关键词：
Optical properties; Chemical synthesis; Luminescence;
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Red-emitting phosphors Sr2-xZnSi2O7 : Eu-x(3+) was prepared by a combustion-assisted synthesis method and an efficient red emission under near-ultraviolet (UV) was observed. The luminescence, crystallinity, and particle sizes were investigated using luminescence spectrometry, X-ray diffractometry, and field scanning electron microscopy. The emission spectrum shows that the most intense peak is located at 614 nm, which corresponds to the D-5(0) -> F-7(2) transition of Eu3+. The phosphor has two main excitation peaks located at 394 and 465 nm, which match the emission of UV and blue light-emitting diodes, respectively.
引用
收藏
页码：669 / 672
页数：4
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