Stabilization and Modification of Gold Nanocube Surfaces with Layered Silicate

被引：6
|
作者：
Eguchi, Miharu [1 ,2 ]
Ito, Masae [1 ]
Ishibashi, Taka-aki [1 ]
机构：
[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Dept Chem, Tsukuba, Ibaraki 3058571, Japan
[2] Japan Sci & Technol Agcy, PRESTO Precursory Res Embryon Sci & Technol, Kawaguchi, Saitama 3320012, Japan
来源：
CHEMISTRY LETTERS | 2014年 / 43卷 / 01期
基金：
日本科学技术振兴机构;
关键词：
SIZE-MATCHING RULE; CATIONIC PORPHYRINS; NANOPARTICLES; SPECTROSCOPY; AGGREGATION; ADSORPTION; MECHANISM;
D O I：
10.1246/cl.130922
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The surface stability of metal nanoparticles was enhanced by adsorption of layered silicate (so-called "clay") on metal nanocubes whose surface was protected by a surfactant. The strong adsorption of the layered silicate to the metal nanocubes via the surfactant eliminated the need for using excess surfactant for metal nanoparticle dispersion. Furthermore, the surface of the negatively charged hybrids was demonstrated to be modifiable with cationic molecules.
引用
收藏
页码：140 / 142
页数：3
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