Tunable white luminescence and energy transfer in (Cu+)2, Eu3+ codoped sodium silicate glasses

被引：110

作者：

Guo, Hai ^{[1
]}

Wei, RongFei ^{[1
]}

Liu, XueYun ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Dept Phys, Jinhua 321004, Zhejiang, Peoples R China

来源：

OPTICS LETTERS | 2012年 / 37卷 / 10期

基金：

中国国家自然科学基金;

关键词：

DOPED OXYFLUORIDE GLASSES; LIGHT-EMITTING-DIODES; ULTRAVIOLET-LIGHT; PHOSPHORS; CU+; CONVERSION; EMISSION; CE3+; ION; AG;

D O I：

10.1364/OL.37.001670

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Luminescent properties of (Cu+)(2), Eu3+ single-doped and codoped sodium silicate glasses were systematically investigated by excitation spectra, emission spectra, and decay curves. Due to the efficient energy transfer from (Cu+)(2) pairs to Eu3+, varied hues from green to yellowish white and eventually to orange were generated by tuning the content of Eu3+. A perfect white-light emission with CIE coordinates (X = 0.336; Y = 0.346) was realized in (Cu+)(2), Eu3+ and Ce3+ codoped samples. Our research indicates the potential application of (Cu+)(2), Eu3+ codoped sodium silicate glasses for converting phosphors for UV LED chips to generate white LEDs. (C) 2012 Optical Society of America

引用

页码：1670 / 1672

页数：3

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