Synthesis of gold nanopartieles from an organometallic compound in supercritical carbon dioxide

被引:42
|
作者
Esumi, K [1 ]
Sarashina, S
Yoshimura, T
机构
[1] Tokyo Univ Sci, Dept Appl Chem, Shinjuku Ku, Tokyo 1628601, Japan
[2] Tokyo Univ Sci, Inst Colloid & Interface Sci, Shinjuku Ku, Tokyo 1628601, Japan
关键词
D O I
10.1021/la049415e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
This article presents the synthesis of gold nanoparticles in a single-phase supercritical fluid carbon dioxide solvent. The gold nanoparticles were formed by the reduction of triphenylphosphine gold(I) perfluorooctanoate with dimethylamineborane. Transmission electron microscopy, X-ray photoelectron spectroscopy, and UV-vis spectroscopy reveal the formation of gold nanoparticles of 1 nm in diameter. A high dispersion stability of the gold nanoparticles in supercritical carbon dioxide can be obtained by binding both triphenylphosphine and fluorocarbon ligands on the surface of the gold nanoparticles.
引用
收藏
页码:5189 / 5191
页数:3
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