Synthesis of.surfactant-stabilized Co/Au bimetallic nanoparticles with a core-shell structure

被引：0
|
作者：
Yonezawa, Tetsu [1 ]
Shibuya, Kazuhiko [1 ]
Nishihara, Hiroshi [1 ]
机构：
[1] Univ Tokyo, Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan
来源：
TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 30, NO 4 | 2005年 / 30卷 / 04期
关键词：
nanoparticle; bimetallic; cobalt; gold; magnetic; composite materials;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Well-defined surfactant-stabilized "Co-shell Au-core" bimetallic nanoparticles were successfully prepared in the presence of the mixture of two surfactant molecules. The formation of these core-shell structures is driven by the thermal deposition of Co(CO)(g) by refluxing p-xylene solution in the presence of the pre-formed gold nanoparticles which were prepared by NaBH4-reduction of RAuCl4. Continuous layer of cobalt without vacancies wrapping the gold core was revealed by TEM observation and the obtained bimetallic nanoparticles could be dispersed stably.
引用
收藏
页码：1255 / 1257
页数：3
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