Self-assembly of 4-ferrocene thiophenol capped electroactive gold nanoparticles onto gold electrode

被引：25
|
作者：
Li, D [1 ]
Li, JH [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China
来源：
SURFACE SCIENCE | 2003年 / 522卷 / 1-3期
关键词：
self-assembly; gold; X-ray photoelectron spectroscopy;
D O I：
10.1016/S0039-6028(02)02334-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Gold nanoparticles capped by 4-ferrocene thiophenol with an average core size of 2.5 nm and surface plasmon absorbance at 522 nm were place-exchanged with 1,8-octanedithiol, and then self-assembled onto the gold electrode via tail SH group. The self-assembly was characterized by X-ray photoelectron spectroscopy. Cyclic voltammograms examined the coverage fraction of the self-assembled monolayers of the electroactive gold nanoparticles and the formal potential of the indicated SAMs. Further experiments exhibited that the electrode process was controlled by surface confined faradic reactions. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：105 / 111
页数：7
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