Luminescent properties of Dy3+ ion in Ca8Mg(SiO4)4Cl2

被引：34
|
作者：
Fang, Ying [1 ,2 ]
Zhuang, Weidong [1 ,2 ]
Hu, Yunsheng [1 ,2 ]
Ye, Xinyu [1 ,2 ]
Huang, Xiaowei [1 ,2 ]
机构：
[1] Gen Res Inst NonFerrous Met, Natl Engn Res Ctr Rare Earth Mat, Beijing 100088, Peoples R China
[2] Grirem Adv Mat Co Ltd, Beijing 100088, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 455卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
calcium magnesium chlorosilicate; emission spectrum; phosphor; Dy3+;
D O I：
10.1016/j.jallcom.2007.01.131
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Calcium magnesium chlorosilicate (Ca8Mg(SiO4)(4)Cl-2) doped with trivalent dysprosium ion (Dy3+) was synthesized by high-temperature solid-state reaction in air. The XRD pattern of the phosphor shows that the dope of Dy3+ makes its lattice parameters decreased. The experimental results indicate that the emission spectrum of the phosphor consists of two emission bands: blue band and yellow band, and the emission intensity of the former is stronger than that of the latter. Dy3+ concentration not only affects the emission intensity, but also influences color coordination and color temperature of the samples. And the preferentially selected site occupied by Dy3+ is six-coordinated Ca2+ site. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：420 / 423
页数：4
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