The synthesis and afterglow luminescence properties of a novel red afterglow phosphor: ZrO2:Sm3+,Sn4+

被引：18

作者：

Zhao, Zhengyan ^{[1
]}

Wang, Yuhua ^{[1
]}

机构：

[1] Lanzhou Univ, Minist Educ, Key Lab Magnetism Magnet Mat, Lanzhou 730000, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2012年 / 132卷 / 11期

基金：

美国国家科学基金会;

关键词：

Luminescence; Optical materials; Optical properties; PHOTOLUMINESCENCE;

D O I：

10.1016/j.jlumin.2012.05.038

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel ZrO2:Sm3+,Sn4+ phosphor is synthesized by solid state reaction. The ZrO2:Sm3+ does not show afterglow. But, after doping Sn4+, intense red afterglow luminescence is firstly observed in ZrO2:Sm3+,Sn4+ and it can last more than 1000 s at maximum. The afterglow decay curves of ZrO2:Sm3+,Sn4+ are fitted by three exponential components and the decay process consists of initial fast, intermediate and slow decay. The thermoluminescence indicates that the Sn4+ ions induce suitable traps with the depth of 0.436 eV and result in efficient afterglow luminescence of ZrO2:Sm3+,Sn4+. The thermoluminescence filling and fading experiments further confirm the important role of the proper shallow traps induced by doping Sn4+ on the afterglow of ZrO2:Sm3+,Sn4+. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：2842 / 2846

页数：5

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