Synthesis and luminescence properties of Li2BaSiO4:Eu3+ phosphors

被引：10

作者：

Xie, Mubiao ^{[1
]}

Luo, Caiyan ^{[1
]}

机构：

[1] Zhanjiang Normal Univ, Sch Chem Sci & Technol, Zhanjiang 524048, Peoples R China

来源：

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS | 2012年 / 6卷 / 9-10期

关键词：

phosphor; luminescence; LEDs; Eu3+; LiBaSiO; LIGHT-EMITTING-DIODES; WHITE LEDS;

D O I：

10.1002/pssr.201206316

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Novel red phosphors Li2xBa1xEux SiO4 were synthesized using a high-temperature solid-state reaction, and their UV-Vis luminescence properties as well as decay curves were investigated. The excitation spectra indicate that the Li2xBa1xEux SiO4 phosphors can be effectively excited by near-ultraviolet (similar to 393 nm) light, dovetailed nicely with the UV light-emitting diodes (LED) chip. The optimum luminance phosphor Li1.88Ba0.88Eu0.12SiO4 shows red luminescence with a dominant 5D0 ? 7F2 emission at about 615 nm and suitable chromaticity coordinates (0.639, 0.359), indicating that the phosphor may be a potential candidate for near-UV InGaN-based w-LEDs. ((c) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

引用

页码：412 / 414

页数：3

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