Continuous electrodeposition of polypyrrole on carbon nanotube-carbon fiber hybrids as a protective treatment against nanotube dispersion

被引：12
|
作者：
Saba, J. [1 ,2 ]
Magga, Y. [2 ]
He, D. [2 ]
Miomandre, F. [1 ]
Bai, J. [2 ]
机构：
[1] Ecole Normale Super, CNRS UMR8531, Lab PPSM, F-94235 Cachan, France
[2] Ecole Cent Paris, Lab MSSMAT, CNRS UMR8579, F-92290 Chatenay Malabry, France
来源：
CARBON | 2013年 / 51卷
关键词：
VAPOR-PHASE POLYMERIZATION; ELECTROCHEMICAL SYNTHESIS; COMPOSITE; CAPACITANCE; DEPOSITION; DIAMETER;
D O I：
10.1016/j.carbon.2012.07.045
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：
This paper describes the electrodeposition of nanometer size polypyrrole layers on carbon fibers coated with multi-wall carbon nanotubes. The obtained carbon nanotubes-carbon fiber hybrids are characterized by electrochemistry, electron microscopy, vibrational spectroscopy and thermogravimetry. The electrical properties are measured for various polymerization times and electrolytes. The conductivity is found decrease with increasing polypyrrole thickness, but all the carbon nanotube-carbon fiber hybrids remain more conductive than pristine carbon fibers having a sizing coating. Finally it is shown that polypyrrole acts as a protecting layer against carbon nanotube dispersion when sonicated in ethanol. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：20 / 26
页数：7
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