Enhanced near-infrared luminescence in Y2O3:Yb nanocrystals by codoping with Li+ ion

被引：8
|
作者：
Fan, Ting
Zhang, Qinyuan [1 ]
Jiang, Zhonghong
机构：
[1] S China Univ Technol, MOE Key Lab Special Funct Mat, Guangzhou 510641, Guangdong, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2011年 / 284卷 / 01期
关键词：
EMISSION; ZNO; PHOSPHORS; ER3+; YAG;
D O I：
10.1016/j.optcom.2010.09.031
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Y2O3:Yb3+ nanocrystals codoping with Li+ ions were synthesized by glycine combustion method. Codoping with Li+ ions leads to about 12 times enhancement of the photoluminescence (PL) intensity around 1 mu m in terms of the increased lifetimes at 1026 nm from 0.384 ms to 1.42 ms at room temperature. The enhancement in the PL intensity could be mostly attributed to the modification of the local symmetry around Yb3+ ions by codoping with Li+ ions. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：249 / 251
页数：3
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