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Improved growth of aligned carbon nanotubes by mechanical activation

Published online by Cambridge University Press:  01 October 2004

Y. Chen  and
L.T. Chadderton
Y. Chen*
Affiliation:
Research School of Physical Sciences and Engineering, The Australian National University, Canberra, ACT 0200, Australia
L.T. Chadderton
Affiliation:
Research School of Physical Sciences and Engineering, The Australian National University, Canberra, ACT 0200, Australia
*
a) Address all correspondence to this author.e-mail: Ying.chen@anu.edu.au
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Abstract

Straight aligned carbon nanotubes with multiwalled cylindrical structure have been produced by pyrolysis of iron phthalocyanine (FePc) after ball milling treatment. The pre-ball milling treatment prevented the formation of curved nanotubes with bamboo or conelike structures. X-ray diffraction analysis revealed that the milled FePc has an activated and disordered structure, which contributes a lower vaporization temperature determined by thermal gravimetric analysis. The low formation temperature and an increased nanotube growth rate are favorable to the formation of cylindrical structure than bamboo tubes.

Keywords

Chemical vapor depositionMechanical alloyingNanofiber
Type
Rapid Communications
Information
Journal of Materials Research , Volume 19 , Issue 10 , October 2004 , pp. 2791 - 2794
Copyright
Copyright © Materials Research Society 2004

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