Enhancement on the afterglow properties of Sr2MgSi2O7: Eu2+ by Er3+ codoping

被引：26
|
作者：
Wu, Haoyi [1 ]
Hu, Yihua [1 ]
Chen, Li [1 ]
Wang, Xiaojuan [1 ]
机构：
[1] Guangdong Univ Technol, Sch Phys & Optoelect Engn, Guangzhou 51006, Guangdong, Peoples R China
来源：
MATERIALS LETTERS | 2011年 / 65卷 / 17-18期
基金：
中国国家自然科学基金;
关键词：
Luminescence; Optical materials and properties; Phosphors; Thermoluminescence; LUMINESCENT PROPERTIES; LONG AFTERGLOW; DY3+; MECHANISM; PHOSPHOR;
D O I：
10.1016/j.matlet.2011.05.079
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Sr1.99MgSi2O7: Eu-0.01(2+), and Sr1.97MgSi2O7: Eu-0.01(2+), R-0.02(3+) (R: Dy, Er) are synthesized via high temperature solid-state reaction. The sample without codoping shows the highest luminescent efficiency, leading to the strongest emission intensity. Both Dy3+ and Er3+ enhance the afterglow properties. Compared with Dy3+, sample doped with Er3+ shows a longer afterglow duration because of a deeper trap and it may be the optimum codopant for Sr2MgSi2O7: Eu2+ long afterglow phosphors. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：2676 / 2679
页数：4
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