Single-phased white-light emitting CaAl2Si2O8: Eu2+, Mn2+ phosphors prepared by a sol-gel method

被引：21
|
作者：
Wang, Baoling [1 ]
Sun, Liuzheng [1 ]
Ju, Haidong [1 ]
Zhao, Shilong [1 ]
Deng, Degang [1 ]
Wang, Huanping [1 ]
Xu, Shiqing [1 ]
机构：
[1] China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2009年 / 50卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Sol-gel; Phosphor; White LED; DIODE; LUMINESCENCE;
D O I：
10.1007/s10971-009-1909-2
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：
CaAl2Si2O8: Eu2+, Mn2+ phosphors have been prepared by a sol-gel method. X-ray diffractometer, spectrofluorometer and UV-Vis spectrometer were used to characterize structural and optical properties of the samples. The results indicate that anorthite (CaAl2Si2O8) directly crystallizes at 1000 A degrees C in the sol-gel process. CaAl2Si2O8: Eu2+, Mn2+ phosphors show two emission bands excited by ultraviolet light. Blue (around 415 nm) and yellow (around 575 nm) emissions originate from Eu2+ and Mn2+, respectively. With appropriate tuning of Mn2+ content, CaAl2Si2O8: Eu2+, Mn2+ phosphors exhibit different hues and relative color temperatures.
引用
收藏
页码：368 / 371
页数：4
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