Characterizations and optical properties of Sm3+-doped Sr2SiO4 phosphors

被引：62
|
作者：
Ha, Myoung Gyu [1 ]
Jeong, Jae-Sun [1 ]
Han, Kyoung-Rim [1 ]
Kim, Yangsoo [2 ]
Yang, Ho-Soon [3 ]
Jeong, Euh Duck [1 ]
Hong, K. S. [1 ]
机构：
[1] Korea Basic Sci Inst, Div High Technol Mat Res, Pusan 618230, South Korea
[2] Korea Basic Sci Inst, Sunchon Ctr, Sunchon 540742, South Korea
[3] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea
来源：
CERAMICS INTERNATIONAL | 2012年 / 38卷 / 07期
关键词：
Sr2SiO4; Sm3+; Solid state reaction; Red-orange emission; Near ultraviolet excitation; ENERGY-TRANSFER; LUMINESCENCE; CE3+; EU2+; PHOTOLUMINESCENCE; AFTERGLOW;
D O I：
10.1016/j.ceramint.2012.03.067
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Optical properties of samarium-doped strontium orthosilicate for near ultra-violet excitation are studied. Sr2SiO4:Sm3+ phosphor is synthesized by using the solid-state reaction method. The structure and physical properties of the phosphor are characterized by using X-ray diffractometer, scanning electron microscope, UV-visible spectrophotometer, high-resolution secondary ion mass spectrometer, and X-ray photoelectron spectrometer. Optical properties are studied by taking excitation and emission spectra. A strong red-orange luminescence corresponding to (4)G(5/2) -> H-6(7/2) transition of Sm3+ for near ultra-violet excitation is observed. It is found that Sr2SiO4:Sm3+ is a red-orange emitting phosphor and has higher efficiency for the operation with near ultra-violet excitation. (c) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：5521 / 5526
页数：6
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