Efficient Red Emission of Blue-Light Excitable New Structure Type NaMgPO4:Eu2+ Phosphor

被引：41

作者：

Kim, Sun Woog ^{[1
]}

Hasegawa, Takuya ^{[1
]}

Ishigaki, Tadashi ^{[1
]}

Uematsu, Kazuyoshi ^{[2
]}

Toda, Kenji ^{[1
]}

Sato, Mineo ^{[2
]}

机构：

[1] Niigata Univ, Grad Sch Sci & Technol, Niigata 9502181, Japan

[2] Niigata Univ, Dept Chem & Chem Engn, Niigata 9502181, Japan

来源：

ECS SOLID STATE LETTERS | 2013年 / 2卷 / 12期

关键词：

EMITTING-DIODES; LUMINESCENCE PROPERTIES; WHITE LEDS; OPTIMIZATION; CHEMISTRY; BEHAVIOR; TB3+; EU3+;

D O I：

10.1149/2.004312ssl

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel red-emitting olivine-type NaMgPO4:Eu2+ phosphor was synthesized for the first time by the melt synthesis technique using arc-imaging furnace. The NaMgPO4:Eu2+ phosphor can be efficiently excited by blue light irradiation and presents red emission band centered at 628 nm due to the 4f(6)5d(1) -> 4f(7) transition of Eu2+. The highest emission peak intensity was obtained for NaMgPO4:2.5mol%Eu2+, and the internal quantum efficiency of this phosphor at the excitation wavelength of 450 nm was 81%. Furthermore, these phosphors show an excellent thermal stability on the temperature quenching effect. (C) 2013 The Electrochemical Society. All rights reserved.

引用

页码：R49 / R51

页数：3

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