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

页码：1419 / 1421

页数：3

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