Characteristics of Raman features of isolated single-walled carbon nanotubes under electrochemical potential control

被引：15

作者：

Okazaki, K

Nakato, Y

Murakoshi, K ^{[1
]}

机构：

[1] Hokkaido Univ, Grad Sch Sci, Dept Chem, Sapporo, Hokkaido 0600810, Japan

[2] Japan Sci & Technol Agcy, PRESTO, Sapporo, Hokkaido 0600810, Japan

[3] Osaka Univ, Grad Sch Engn Sci, Dept Chem, Toyonaka, Osaka 5608531, Japan

来源：

SURFACE SCIENCE | 2004年 / 566卷

关键词：

Raman scattering spectroscopy; electrochemical methods; carbon; work function measurements; vibrations of adsorbed molecules;

D O I：

10.1016/j.susc.2004.05.082

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：

Highly dispersed isolated single-walled carbon nanotubes (SWNT) on gold electrode were prepared to study the effect of electrochemical doping on their Raman features. Spectrum of the radial breathing mode of SWNT was dependent upon the electrode potential. Change in the intensity of the spectrum was reversible. Distinct difference in the potential dependence was observed at SWNT with different diameter. Linewidth of the spectrum also showed potential dependence at the metallic tubes. Characteristics of the spectral changes induced by electrochemical doping were correlated to the difference in electronic density of individual SWNT. (C) 2004 Elsevier B.V. All rights reserved.

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收藏

页码：436 / 442

页数：7

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