Structure-Composition Relationships and Tunable Luminescence Properties in Eu2+ -activated Sr8(Mg,Zn)La(PO4)7 Phosphors

被引：5
|
作者：
Tang Wanjun [1 ]
Zhang Fen [1 ]
Hu Shanshan [1 ]
机构：
[1] South Cent Univ Nationalities, Coll Chem & Mat Sci, Hubei Key Lab Catalysis & Mat Sci, Wuhan 430074, Peoples R China
来源：
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY | 2014年 / 3卷 / 04期
关键词：
LIGHT-EMITTING-DIODES; EFFICIENT ENERGY-TRANSFER; WHITE LEDS; LA;
D O I：
10.1149/2.009404jss
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Luminescence properties of Sr-8(Mg,Zn)La(PO4)(7):Eu2+ phosphors were investigated by changing the content of Zn substitution. The Zn substitution was confirmed to change the crystallinity and luminescence properties of the phosphors. A eutectic mixture of two iso-structural compounds from Sr8MgLa(PO4)(7) and Sr8ZnLa(PO4)(7) are hosts for Eu2+ activator ions, allowing for carefully tuning the various parameters associated with efficient solid state white lighting. The phosphors exhibit systematically varied hues from yellow toward white and eventually to blue and the relative intensity of yellow and blue emissions can be adjusting the concentration of Zn2+, respectively. The Eu2+ activated Sr-8(Mg,Zn)La(PO4)(7) phosphor has potential applications as a UV radiation-converting phosphors for white LEDs. (C) 2014 The Electrochemical Society. All rights reserved.
引用
收藏
页码：R65 / R69
页数：5
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