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

页码：5521 / 5526

页数：6

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