Photostimulated luminescence of Sr3Al2O5Cl2:Eu2+, Tm3+ with a large energy storage capacity

被引：12
作者：
Dong, Xiaoling [1 ,2 ]
Zhang, Jiahua [1 ]
Zhang, Xia [1 ]
Hao, Zhendong [1 ]
Liu, Xia [1 ,2 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Lumiescence & Applicat, Changchun 130033, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
JOURNAL OF LUMINESCENCE | 2014年 / 145卷
基金：
中国国家自然科学基金;
关键词：
Photostimulated luminescence; Phosphor; Infrared detection; PHOSPHORS; EU2+;
D O I：
10.1016/j.jlumin.2013.07.068
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Strong and long-lasting photostimulated luminescence (PSL) is observed and studied in Eu2+ and Tm3+ codoped Sr3Al2O5Cl2 under 980 nm continuous stimulation after UV and blue light pre-irradiation. Compared to the Eu2+ singly doped one, the PSL intensity and energy storage capacity in the doubly doped material are enhanced by a factor of 400 and 91, respectively. The study indicates that codoping Tm3+ leads to a large increase of traps that enlarge energy storage capacity as three times as the commercial phosphor SrS:Eu2+, Sm3+. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：657 / 660
页数：4
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