Energy transfer from Tb3+ to Eu3+ in zinc lead borate glass

被引：4

作者：

江莎 ^{[1
]}

李丽 ^{[2
]}

段昌奎 ^{[1
,3
]}

周贤菊 ^{[1
]}

尹民 ^{[2
]}

机构：

[1] Institute of Modern Physics,Chongqing University of Post and Telecom.

[2] Department of Physics,University of Science and Technology of China

[3] Department of Biology and Chemistry,City University of Hong Kong,Tat Chee Avenue,Kowloon,Hong Kong S.A.R.,China

来源：

JournalofRareEarths | 2010年 / 28(S1)卷 / S1期

基金：

中国国家自然科学基金;

关键词：

energy transfer; zinc lead borate glass; luminescent spectrum; Tb3+; Eu3+; rare earths;

D O I：

暂无

中图分类号：

TQ171.71 [各种成分的玻璃];

学科分类号：

0805 ; 080502 ;

摘要：

In order to sensitize the luminescence of Eu3+ ions in heavy metal glass,zinc lead borate glass samples containing various concentrations of Eu3+ and Tb3+ ions were prepared to study the Tb3+ to Eu3+ non-radiative energy transfer phenomena.Energy level structures of Tb3+ and Eu3+ ions were plotted to show the excitation and energy transfer routes.Efficient energy transfer from Tb3+ to Eu3+ was observed and studied qualitatively in terms of doping concentrations.The sensitization turned out to be less effective than expected.Further studies to characterize the oxidation of Tb3+ into tetravalent state and to examine the mechanism of energy transfer are proposed.

引用

页码：312 / 315

页数：4

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