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.

引用

页数：4

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