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IJPAP Vol.43(10) [October 2005] >


Title: Growth mechanism of carbon nanotubes deposited by electrochemical technique
Authors: Mandal, S K
Hussain, S
Pal, A K
Keywords: Carbon nanotubes
Growth
Electrodeposition
Issue Date: Oct-2005
Publisher: CSIR
IPC CodeC25,B82B
Abstract: Understanding the nucleation and growth of carbon nanotubes at room temperature by a novel electrochemical process using acetonitrile as the electrolyte is investigated here. Microscopic insight into the nucleation process clearly reveals coalescence of amorphous carbon clusters in a branched network instigated mainly by dangling-bond induced relaxation and subsequent rearrangement of carbon atoms through a quasi-liquid state leading to the formation of multi-walled carbon nanotubes. Such a direct conversion of amorphous carbon into nanotubes is not abrupt, rather driven by a slow thermodynamical process that is inherent to the electrochemical process.
Page(s): 765-771
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.43(10) [October 2005]

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