Luminescent Performance Study on Dy3+-Doped, Tb3+-Doped and Tb3+/Dy3+ Codoped TeO2-GeO2-BaO Glasses

被引：2
|
作者：
Jia Ke [1 ]
Zeng Jiahui [2 ]
Han Tiantian [1 ,3 ]
Yu Juntao [1 ]
Wu Miaochun [1 ]
Cheng Xi [1 ]
Wen Yufeng [1 ]
Sun Xinyuan [1 ]
机构：
[1] Jinggangshan Univ, Sch Math & Phys, Jian 343009, Jiangxi, Peoples R China
[2] Guangxi Univ, Sch Resources Environm & Mat, Nanning 530004, Guangxi, Peoples R China
[3] Jiangxi Univ Sci & Technol, Key Lab Rare Earth Luminescence Mat & Devices Jia, Ganzhou 341000, Jiangxi, Peoples R China
来源：
LASER & OPTOELECTRONICS PROGRESS | 2022年 / 59卷 / 15期
关键词：
materials; rare earth ions; TeO2-GeO2-BaO glasses; photoluminescence; energy transfer; TB3+ IONS; EMISSION; BEHAVIOR; DY3+;
D O I：
10.3788/LOP202259.1516012
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Dy3+-doped, Tb3+-doped and Tb3+/Dy3+ codoped tellurium-germanium-barium (TeO2-GeO2 -BaO) glasses are prepared by high temperature melt-quenching method. The total mole fraction of the network formers of both TeO2 and GeO2 is summed up to 66. 6 %. The luminescent performances of TeO2-GeO2-BaO glasses are systematically studied by transmittance and photoluminescence spectra. The optimal doping concentration of Dy3+ and Tb3+ ions in TeO2 -GeO2 BaO glasses is determined. And the efficient energy transfer process from Dy3+ to Tb3+ ions are observed clearly. The developed Te-2-GeO2-BaO glass is featured with density of over 5. 0 g/cm(3), decay time of lower 1 ms, and transmittance of reaching 85% in 400-700 nm wavelength regions, which suggest that the investigated TeO2-GeO2-BaO glass is of significance in scintillation application for detection of high-energy rays.
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页数：8
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