Luminescence Properties of Ce/Tb/Sm Co-Doped Tellurite Glass for White Leds Application

被引：7
|
作者：
Tran Thi Hong [1 ]
Pham Duc Huyen Yen [2 ]
Vu Xuan Quang [3 ]
Phan Tien Dung [4 ]
机构：
[1] Da Nang Univ Educ, Danang, Vietnam
[2] Vietnam Natl Univ, Hanoi, Vietnam
[3] Duy Tan Univ, Danang, Vietnam
[4] Vietnam Acad Sci & Technol, Inst Mat Sci, Hanoi, Vietnam
来源：
MATERIALS TRANSACTIONS | 2015年 / 56卷 / 09期
关键词：
Tellurite glass; rare earth; energy transfer; luminescence; LIGHT-EMITTING-DIODES; GREEN TUNABLE LUMINESCENCE; ENERGY-TRANSFER; OPTICAL-PROPERTIES; ULTRAVIOLET-LIGHT; PHOSPHOR; TB3+; UV; CERAMICS; EMISSION;
D O I：
10.2320/matertrans.MA201509
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, the Ce/Tb/Sm doped glasses with the composition of TeO2-B2O3-ZnO-Na2O were synthesized by melt quenching process. The photoluminescence properties of glasses doped with Ce3+, Tb3+ and Sm3+ single, doubly and triply doped TeO2-B2O3-ZnO-Na2O (TBZN) were studied by mean of emission and excitation spectra. There was an overlap between Ce3+ emission and Tb3+, Sm3+ absorption in the wavelength range of 350-500 nm. Therefore, it was expected that an efficient energy transfer occurred from Ce3+ to Tb3+ and Ce3+ to Sm3+ ions. When excited by ultraviolet wavelengths the co-doped glasses emit a combination of blue, green and red orange forming white light.
引用
收藏
页码：1419 / 1421
页数：3
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