期刊
SURFACE SCIENCE
卷 522, 期 1-3, 页码 105-111出版社
ELSEVIER
DOI: 10.1016/S0039-6028(02)02334-8
关键词
self-assembly; gold; X-ray photoelectron spectroscopy
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.
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