Synthesis and photoluminescent properties of silica-coated LaCeF3:Tb nanocrystals

被引：15
|
作者：
Zhu, Ling [1 ,2 ]
Meng, Jian [1 ]
Cao, Xueqiang [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
JOURNAL OF NANOPARTICLE RESEARCH | 2008年 / 10卷 / 02期
关键词：
microemulsion; lanthanide Fluorides; silica; core/shell; photoluminescent;
D O I：
10.1007/s11051-007-9262-2
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
La0.45Ce0.45F3:Tb (10 mol% Tb) nanoparticles was synthesized via sonochemical method and then coated with silica (SiO2) shells through a microemulsion process, resulting in the formation of core/shell structured LaCeF3:Tb/SiO2 nanoparticles. The obtained core/shell LaCeF3:Tb/SiO2 nanoparticles are spherical and uniform in size (average size about 60 nm), strongly fluorescent, and long fluorescence lifetime (1.87 ms). This kind of nanoparticles was water-soluble, which could be applied in biological labeling and other fields.
引用
收藏
页码：383 / 386
页数：4
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