Luminescence Properties of Eu2+-Doped Glass Ceramics Containing SrF2 Nanocrystals

被引：27
|
作者：
Luo, Qun [1 ]
Qiao, Xvsheng [1 ]
Fan, Xianping [1 ]
Zhang, Xianghua [2 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
[2] Univ Rennes 1, CNRS, UMR 6226, Lab Glasses & Ceram, F-35042 Rennes, France
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2010年 / 93卷 / 09期
关键词：
BLUE-EMITTING PHOSPHOR; RED PHOSPHOR; WHITE; REDUCTION; EU2+; OXYNITRIDE; EMISSION; BEHAVIOR; ER3+; IONS;
D O I：
10.1111/j.1551-2916.2010.03756.x
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：
The Eu2+-doped glasses and glass ceramics containing SrF2 nanocrystals were prepared and their luminescence properties were investigated. The formation of SrF2 nanocrystals in glass ceramics was confirmed by X-ray diffraction and transmission electron microscopy. The melting in a reducing atmosphere and then the crystallization of glass resulted in the reduction of almost all Eu3+ ions to Eu2+ ions in the glass ceramics. The Eu2+-doped glass ceramics containing SrF2 nanocrystals exhibited a much stronger broad blue emission band and a longer lifetime of excited state than the glasses.
引用
收藏
页码：2684 / 2688
页数：5
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