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Acta Physico-Chimica Sinica  2009, Vol. 25 Issue (11): 2199-2204    DOI: 10.3866/PKU.WHXB20091023
Article     
Preparation of Polypyrrole/Benzenesulfonic Functionalized Multi-Walled Carbon Nanotubes Induced by Hydrogen Bonding and Their Electrochemical Behavior
FU Qing-Bin, GAO Bo, SU Ling-Hao, YUAN Chang-Zhou, LU Xiang-Jun, ZHANG Xiao-Gang
College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P. R. China
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Abstract  

Multi-walled carbon nanotubes were functionalized using in situ generated aryl diazonium and were then used to synthesize polypyrrole/benzenesulfonic functionalized multi-walled carbon nanotube composites (PPy/f-MWCNTs). Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) results indicated that a uniform PPy was successfully coated onto the sidewall of the f-MWCNTs, which was induced by hydrogen bonding. Cyclic voltammetry and galvanostatic charge/discharge measurements results showed that the composite possessed good electrochemical capacitive performance. The composite with m(PPy):m(MWCNTs) of 1:1 had a capacity of 266 F·g-1 at a current density of 1.0 A·g-1, and the utilization of PPy was more than one time higher than polypyrrole/un-functionalized multi-walled carbon nanotube composites (PPy/p-MWCNTs) and pure PPy.



Key wordsSupercapacitor      Polypyrrole      Carbon nanotube      Benzenesulfonic functionalization     
Received: 17 April 2009      Published: 02 September 2009
MSC2000:  O644  
  TB383  
Corresponding Authors: ZHANG Xiao-Gang     E-mail: azhangxg@163.com
Cite this article:

FU Qing-Bin, GAO Bo, SU Ling-Hao, YUAN Chang-Zhou, LU Xiang-Jun, ZHANG Xiao-Gang. Preparation of Polypyrrole/Benzenesulfonic Functionalized Multi-Walled Carbon Nanotubes Induced by Hydrogen Bonding and Their Electrochemical Behavior. Acta Physico-Chimica Sinica, 2009, 25(11): 2199-2204.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20091023     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2009/V25/I11/2199

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