期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 11, 期 5, 页码 965-968出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2009.02.036
关键词
Polyaniline; Carbon nanotubes; Dopant; Electroactive; Neutral and alkaline media
资金
- NSF of China [20625515, 20721140650, 90813032, 20705034]
- National Basic Research Program of China [2007CB935603]
- Chinese Academy of Sciences
- Institute of Chemistry
This study describes a facile but effective route to synthesis of electroactive polyaniline (PANI) in the neutral and alkaline media simply with pristine single-walled carbon nanotubes (SWNTs) as the dopant. Cyclic voltammetry (CV) studies reveal that the SWNT/PANI nanocomposite processes a good electrochemical activity in the neutral and alkaline media. Control experiments with PANI mixed with heat-treated SWNTs imply that the electrochemical properties of the SWNT/PANI nanocomposite in the neutral and alkaline media do not result from the presence of carboxylic groups at SWNTs themselves, and in turn show that the pristine SWNTs can be potentially used as a new and effective dopant to preserve the electrochemical property of PANI in the neutral and alkaline media. This property of the SWNT/PANI nanocomposite is reasonably envisaged to be promising for electrochemical investigations and electroanalytical applications, especially for the development of electrochemical sensors, biosensors and biofuel cells. (C) 2009 Elsevier B.V. All rights reserved.
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