Sr3La(PO4)3:Eu2+,Mn2+ : A single-phased color-tunable phosphor and its energy transfer behavior

被引：22

作者：

Zhang, Xinguo ^{[1
,2
]}

He, Pei ^{[3
]}

Zhou, Liya ^{[1
]}

Pang, Qi ^{[1
]}

Shi, Jianxin ^{[2
]}

Gong, Menglian ^{[2
]}

机构：

[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China

[2] Sun Yat Sen Univ, Sch Chem & Chem Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China

[3] China Tobacco Yunnan Ind Co Ltd, Ctr Res & Dev, Key Lab Tobacco Chem Yunnan Prov, Kunming 650231, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2015年 / 157卷

关键词：

Sr3La(PO4)(3):Eu2+; Mn2+; Luminescent properties; Energy transfer; WHITE-LIGHT; LUMINESCENCE; MN2+; EMISSION; EU2+;

D O I：

10.1016/j.jlumin.2014.09.011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A series of novel Eu2+/Mn2+ co-doped color-tunable Sr3La(PO4)(3) phosphors were synthesized by a high-temperature solid-state reaction. The photoluminescence properties and energy transfer process were investigated in detail. Two emission bands attributed to the Eu2+ and Mn2+ ions are observed under UV light excitation via an efficient energy transfer (ET) process. When the Eu2+ doping content is fixed, the emission chromaticity can be varied from blue to red by simply adjusting the content of Mn2+. The photoluminescence and lifetime analysis indicate that there is an efficient energy transfer from the Eu2+ to Mn2+ ions via a quadrupole-quadrupole mechanism with the critical distance of similar to 10 angstrom. Crown Copyright (C) 2014 Published by Elsevier B.V. All rights reserved.

引用

页码：352 / 356

页数：5

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