Structure and luminescence properties of Zn2SiO4:Mn phosphor prepared with MCM-48

被引：15
|
作者：
Li, Xiangqi [1 ]
Chen, Fengying [1 ]
机构：
[1] Fuzhou Univ, Inst Mat Sci & Engn, Fuzhou 350180, Fujian, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2013年 / 48卷 / 06期
关键词：
Optical materials; Inorganic compounds; Chemical synthesis; Luminescence; DOPED ZINC SILICATE; SOL-GEL SYNTHESIS; SUPERCRITICAL WATER; SPRAY-PYROLYSIS; MN; PARTICLES; ETHANOL;
D O I：
10.1016/j.materresbull.2013.02.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Green-emitting Zn2SiO4:Mn (ZSM) phosphors were prepared via a low-temperature hydrothermal route with further calcination. Two types of MCM-48 submitted and not submitted to post-synthesis treatment were used as Si source. The phosphors prepared from post-treated MCM-48 show much higher crystallinity and emission intensity than those from MCM-48 not submitted to post-synthesis treatment. This can be attributed to the larger pore volume and pore size of post-treated MCM-48 which facilitates Mn2+ ions to disperse more homogeneously as well as provides more free space for the growth of alpha-Zn2SiO4. Increasing the hydrothermal reaction temperature can enhance the emission intensities of particles. The ZSM phosphor showing the highest relative emission intensity was obtained at a hydrothermal temperature of 110 degrees C and calcining temperature of 1000 degrees C by using the post-treated MCM-48 as Si source. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2304 / 2307
页数：4
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