The Preparation and Photoluminescence Properties of Fluorosilicate Glass Ceramics Containing CeF3:Dy3+ Nanocrystals

被引：6
|
作者：
Wu Li-Ang [1 ]
Fu Heng-Yi [1 ]
Qian Jiang-Yun [1 ]
Zhao Da-Liang [1 ]
Luo Qun [1 ]
Qiao Xu-Sheng [1 ]
Fan Xian-Ping [1 ]
Zhang Xiang-Hua [2 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
[2] Univ Rennes 1, Inst Chim Rennes, UMR CNRS Verres & Ceram 6512, F-35042 Rennes, France
来源：
CHINESE PHYSICS LETTERS | 2012年 / 29卷 / 01期
基金：
中国国家自然科学基金;
关键词：
ENERGY-TRANSFER; LUMINESCENCE; ER3+; MICROSTRUCTURE; FUTURE; UV;
D O I：
10.1088/0256-307X/29/1/017802
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Ce3+ and Dy3+ co-doped oxyfluoride glasses and glass ceramics containing CeF3 nanocrystals are prepared in a reducing atmosphere. XRD measurements and the calculated lattice parameters suggest that Dy3+ ions are incorporated with precipitated CeF3 nanocrystals along with a rise in the Dy3+ concentration or an increase in the annealing temperature. The glass ceramics emit white light close to the CIE coordinates of (0.3,0.3), derived from a combination of Ce3+ and Dy3+ emission. The CIE chromaticity coordinates of the Ce3+ and Dy3+ co-doped glass ceramics can be tuned by varying the ratio of Ce3+/Dy3+, while the luminescence intensity can be enhanced by heat treatment above 620 degrees C.
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页数：4
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