Preparation and properties of transparent Eu:YAG fluorescent ceramics with different doping concentrations

被引：42

作者：

Liu, Qiang ^{[1
]}

Yuan, Yong ^{[1
,2
]}

Li, Jiang ^{[2
]}

Liu, Jing ^{[1
,2
]}

Hu, Chen ^{[2
]}

Chen, Min ^{[2
]}

Lin, Li ^{[1
,2
]}

Kou, Huamin ^{[2
]}

Shi, Yun ^{[2
]}

Liu, Wenbin ^{[2
]}

Chen, Haohong ^{[2
]}

Pan, Yubai ^{[2
]}

Guo, Jingkun ^{[2
]}

机构：

[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent Optofunct Inorgan Mat, Shanghai 200050, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2014年 / 40卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Eu:YAG transparent ceramics; Fluorescence property; Microstructure; Solid-state reactive sintering; LUMINESCENCE PROPERTIES; ENERGY-TRANSFER; YAG CERAMICS; FABRICATION; EU; ND; PHOSPHORS; EMISSION; POWDERS; CE;

D O I：

10.1016/j.ceramint.2014.01.068

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：

Transparent Eu:Y3Al5O12 (Eu:YAG) fluorescent ceramics were fabricated by the solid-state reaction method using commercial Y2O3, alpha-Al2O3 and Eu2O3 as starting powders. The influence of Eu3+ concentration on the microstructure and optical properties of the obtained ceramics was investigated. Microstructure results indicated that all the ceramics with different Eu3+ concentrations possessed clean grain boundaries and homogeneous grains with the size range from 16.7 mu m to 19.9 pm. Both absorption and emission peak intensities strengthen with increasing Eu3+ concentration. The samples do not show concentration quenching for Eu3+ concentration above 0.7 at%, but the fluorescence properties are affected by the self-absorption of Eu3+ ions. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：8539 / 8545

页数：7

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