Effects of RE3+ (RE = La, Ce, Pr, Sm, Dy, Ho, Er, and Tm) on the luminescence of Sr2MgSiO5:Eu2+ phosphors

被引：8

作者：

Cheng Guang ^{[1
]}

Wei Xiaoyan ^{[1
]}

Cheng Liqun ^{[1
]}

Liu Quansheng ^{[1
]}

Wang Xiaochun ^{[1
]}

Sun Haiying ^{[1
]}

Zhang Xiyan ^{[1
]}

Qiu Guanming ^{[1
]}

机构：

[1] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Peoples R China

来源：

RARE METALS | 2011年 / 30卷 / 01期

关键词：

phosphors; solid state reactions; rare earths; luminescence; LIGHT-EMITTING DIODE; GREEN; EU2+; CA; SR;

D O I：

10.1007/s12598-011-0188-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Sr2MgSiO5:Eu(2+)phosphors were synthesized through a high temperature solid state reaction method. The phase and luminescence properties of the samples were characterized by X-ray diffraction (XRD) and a luminescence spectrometer. The effects of RE3+ (RE = La, Ce, Pr, Sm, Dy, Ho, Er, and Tm) on the luminescent properties of the samples were studied. The results show that the luminescence spectrum of Sr2MgSiO5:Eu2+ is a broad band composed of two emission peaks, at 460 and at 530 nm under near-ultraviolet excitation. Rare earth ions Re3+ (RE = La, Ce, Pr, Sm, Dy, Ho, Er, and Tm) have great influence on the emission of (SrMgSiO5)-Mg-2:Eu2+ phosphors. The La3+ ion in Sr2MgSiO5:Eu2+ phosphors greatly enhances the emission at 460 and 530 nm.

引用

页码：14 / 17

页数：4

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