Energy Transfer Process of Eu3+ Ions Doped in Tellurite Glass

被引：0
|
作者：
Tran Thi Hong
Phan Tien Dung
Vu Xuan Quang
机构：
[1] Danang University of Education,Institute of Materials Science
[2] Vietnam Academy of Science and Technology,undefined
[3] Duy Tan University,undefined
来源：
Journal of Electronic Materials | 2016年 / 45卷
关键词：
Rare earth; photoluminescence; energy transfer; tellurite; Judd–Ofelt analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Tellurite glass doped with different concentrations of Eu3+ ions has been prepared by the conventional melting process. Photoluminescence, Raman spectra, phonon side-band spectra, and Judd–Ofelt analysis were carried out. Some spectroscopic parameters were estimated to predict the luminescence efficiency of the materials. The energy transfer between the rare-earth ions was observed, and a model for its cross-relaxation was proposed and quantitatively estimated. The charged intrinsic defects in the form of nonbridging oxygen (NBO) were determined, and the energy transfer between NBO and rare-earth ions observed. The energy-transfer-induced Eu3+ photoluminescence enhancement in tellurite glass is studied.
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页码：2569 / 2575
页数：6
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