Synthesis and characterization of Mn-doped Zn2SiO4/SiO2 phosphor particles in core-shell structure

被引：9
|
作者：
Hsieh, Han-Yu [1 ]
Lin, Sung-En [1 ]
Wei, Wen-Cheng J. [1 ]
机构：
[1] Natl Taiwan Univ, Dept Mat Sci & Engn, Taipei 106, Taiwan
来源：
JOURNAL OF LUMINESCENCE | 2009年 / 129卷 / 06期
关键词：
Photonic bandgap; Core-shell structure; Zn2SiO4; Photoluminescence; Cathode luminescence; PHOTOLUMINESCENCE;
D O I：
10.1016/j.jlumin.2008.12.019
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Manganese-doped zinc silicate (Zn2SiO4:Mn) is a kind of phosphor material that has a photoluminescent (PL) and cathode-luminescent (CL) properties with intensive green light emission at 520 nm. The particles consisting of SiO2@Zn2SiO4:Mn (SiO2 core-Zn2SiO4:Mn shell) were synthesized via colloidal process and forced precipitation. After drying, the Zn/Mn precipitates were coated on the surface of SiO2 particles. The Zn/Mn precipitates reacted with SiO2 and transformed to Zn2SiO4:Mn by suitable calcination. The microstructure, crystalline phase, and luminescent characteristics of the products were studied. Besides, a CL device consisting of the core-shell powder was characterized. (c) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：595 / 598
页数：4
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