Luminescence properties of novel Eu3+ doped NaCaBO3 red phosphors

被引：28

作者：

Zhang, Xinguo ^{[1
,3
]}

Chen, Yibo ^{[2
]}

Zeng, Suiwen ^{[2
]}

Zhou, Liya ^{[1
]}

Shi, Jianxin ^{[3
]}

Gong, Menglian ^{[3
]}

机构：

[1] Guangxi Univ, Minist Prov Jointly Constructed Cultivat Base Sta, Nanning 530004, Peoples R China

[2] Guangzhou Univ, Sch Chem & Chem Engn, Guangzhou 510006, Guangdong, Peoples R China

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

来源：

CERAMICS INTERNATIONAL | 2014年 / 40卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Photoluminescence; Phosphor; Eu3+; LIGHT-EMITTING-DIODES; PHOTOLUMINESCENCE PROPERTIES; TB3+; CE3+; LEDS;

D O I：

10.1016/j.ceramint.2014.06.034

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：

A series of red phosphors NaCaBO3: Eu3+ were synthesized by a high temperature solid-state reaction method. Their luminescence properties were characterized by means of photoluminescence excitation and emission spectra, CIE chromaticity and concentration quenching. The phosphors could be effectively excited by the near ultraviolet (NUV) light (395 nm) and emit strong red emission of Eu3+ D-5(0) -> F-7(2) transition. The Cm chromaticity (x, y) of NaCaBO3: Eu3+ was (0.608, 0.387). The optimized Eu3+ content is found as 0.11, and the corresponding critical transfer distance is similar to 17 angstrom. The energy transfer mechanism is confirmed to be a dipole dipole interaction. Thus, this red emitting phosphor could be considered as promising red phosphors for NUV LEDs. Crown Copyright (C) 2014 Published by Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：14537 / 14541

页数：5

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