The effects of Li on the near-infrared luminescence properties of Nd3+/Li+ codoped Y2O3 nanocrystals

被引：13
|
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 / 06期
关键词：
ENHANCED LUMINESCENCE; ZNO NANOCRYSTALS; SINGLE-CRYSTAL; LASER; SPECTRUM;
D O I：
10.1016/j.optcom.2010.11.068
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Nd3+ / Li+ codoped Y2O3 nanocrystals were synthesized by glycine combustion method. The codoping of Li+ ions can lead to about twice enhancement of the near-infrared luminescence for the three spectral regions, which correspond to the F-4(3/2) -> I-4(9/2), F-4(3/2) -> I-4(11/2) and F-4(3/2) -> I-4(13/2) channels of Nd3+. The enhancement could be attributed to the improved morphology, the modification of the local symmetry around Nd3+ ions and the reducing number of OH- groups by codoping with Li+ ions. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1594 / 1597
页数：4
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