Crystal Structure and Luminescent Properties of Green Phosphor Ba3Y2(SiO4)3:Eu2+ for LED Applications

被引：8
|
作者：
Ye, Xinyu [1 ]
Fang, Ying [2 ]
Tong, Zhifang [1 ]
Liao, Chunfa [1 ]
Zhong, Shengwen [1 ]
Zhuang, Weidong [3 ]
机构：
[1] Jiangxi Univ Sci & Technol, Sch Mat & Chem Engn, Ganzhou 341000, Peoples R China
[2] Shangqiu Normal Univ, Dept Chem, Shangqiu 476000, Peoples R China
[3] Gen Res Inst Nonferrous Met, Natl Engn Res Ctr Rare Earth Mat, Beijing 100088, Peoples R China
来源：
CHEMISTRY LETTERS | 2009年 / 38卷 / 11期
关键词：
LIGHT EMITTING DIODES; CE3+;
D O I：
10.1246/cl.2009.1116
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We have developed a new silicate-based phosphor Ba3Y2(SiO4)(3):Eu2+ without using expensive raw materials. The host crystal structure was firstly indexed as an orthorhombic-type instead of garnet-type. The phosphor absorbs near-ultraviolet light around 365 nm and emits green light with a peak at about 505 nm, which results from the 5d-4f transition of the Eu2+. The Optimum concentration of Eu2+ activator is 4 mol % relative to the Ba2+ content in the Ba3Y2(SiO4)(3) host. It is a promising candidate for application in LEDs as a green-emitting color converter.
引用
收藏
页码：1116 / 1117
页数：2
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