Reduction of Eu3+ to Eu2+ in Eu-doped high silica glass prepared in air atmosphere

被引：63
|
作者：
Zhang, Qiang [1 ,2 ]
Liu, Xiaofeng [2 ,3 ]
Qiao, Yanbo [1 ,2 ]
Qian, Bin [2 ,3 ]
Dong, Guoping [2 ,3 ]
Ruan, Jian [2 ,3 ]
Zhou, Qinling [1 ]
Qiu, Jianrong [4 ]
Chen, Danping [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat Sci & Technol High Power Lasers, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[4] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China
来源：
OPTICAL MATERIALS | 2010年 / 32卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Europium and aluminum ions; Reduction effect; Energy transfer; Photoluminescence and ESR spectra; LUMINESCENCE PROPERTIES;
D O I：
10.1016/j.optmat.2009.10.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Eu-doped and Eu/Al-codoped high silica glasses (HSGs) are prepared by infiltration and densification method. Absorption, photoluminescence and electron spin resonance (ESR) spectra of the Eu-doped high silica glasses (HSGs) are measured and the results indicate the reduct on of Eu3+ to Eu2+ ions partly in Eu/Al-codoped HSGs. Energy transfer between Eu2+ ions and Eu3+ ions is observed and this transfer enhances the intensity of Eu3+ ions. The reduction mechanism is also discussed. (C) 200 Elsevier B.V. All rights reserved.
引用
收藏
页码：427 / 431
页数：5
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