A novel blue luminescent material Sr6Ca4(PO4)6F2:Eu2+

被引：12

作者：

Chen, Peican ^{[1
]}

Zhou, Liya ^{[1
]}

Mo, Fuwang ^{[1
]}

Guan, Anxiang ^{[1
]}

Huang, Ni ^{[1
]}

Gan, Yufei ^{[1
]}

Chen, Mengyang ^{[1
]}

Zhang, Wei ^{[1
]}

机构：

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

来源：

MATERIALS RESEARCH BULLETIN | 2015年 / 72卷

基金：

中国国家自然科学基金;

关键词：

Optical materials; Luminescence; Phosphors; COLOR-TUNABLE LUMINESCENCE; ENERGY-TRANSFER PROPERTIES; PHOTOLUMINESCENCE PROPERTIES; PHOSPHOR; EU2+;

D O I：

10.1016/j.materresbull.2015.07.031

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

For the first time, a series of novel blue light-emitting phosphors Sr6Ca4(PO4)(6)F-2:Eu2+ were synthesized by a traditional solid-state reaction. The phosphors exhibited a broad and intense excitation band that could be pumped by near ultraviolet to exhibit a broad photoluminescence band ranging from 400 nm to 530 nm peaking at 452 nm. Quenching concentration was 0.05 mol. Furthermore, the mechanism of concentration quenching involving SCPF:Eu2+ was demonstrated to be a dipole-dipole interaction with critical distance of 27.95 angstrom. Decay time curves were also measured to validate energy transfer, and quantum efficiency is investigated. The chromaticity diagram of Commission Internationale de l'Eclairage indicated that SCPF:Eu2+ may be used as a blue-emitting component for white light-emitting diode applications. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：191 / 196

页数：6

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