Multi functional ruthenium(II) polypyridine complex-based core-shell magnetic silica nanocomposites: Magnetism, luminescence, and electrochemiluminescence

被引：97
|
作者：
Li, Mei-Jin [1 ]
Chen, Zuofeng [1 ]
Yam, Vivian Wing-Wah [1 ,2 ]
Zu, Yanbing [1 ]
机构：
[1] Univ Hong Kong, Dept Chem, Hong Kong, Peoples R China
[2] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130023, Peoples R China
来源：
ACS NANO | 2008年 / 2卷 / 05期
关键词：
luminescence; magnetic nanoparticle; core-shell structure; silica-coated; electrochemiluminescence; ruthenium(II) polypyridine complex; multifunctional;
D O I：
10.1021/nn800123w
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Multifunctional nanoparticles (NPs) that consist of silica-coated magnetic cores and luminescent ruthenium(II) polypyridine complexes have been prepared. These multifunctional nanocomposites were shown to exhibit superparamagnetic behavior, high emission intensity, and electrochemiluminescence. An intense low-oxidation-potential electrochemiluminescence signal was observed by attachment of these functional NPs onto a fluorosurfactant-modified gold (Au-m) electrode via application of an external magnetic field.
引用
收藏
页码：905 / 912
页数：8
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