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

页码：420 / 423

页数：4

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