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Order in vertically aligned carbon nanotube arrays

Appl. Phys. Lett. 88, 213111 (2006); doi:10.1063/1.2206152

Published 24 May 2006

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H. Wang and Z. Xu
Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931

G. Eres
Condensed Matter Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831
We report the direct measurements on the bulk morphology of vertically aligned multiwalled carbon nanotube (CNT) arrays using small angle neutron scattering (SANS). SANS measurements at different heights of CNT arrays corresponding to different stages of the growth reveal increasing alignment order along the thickness and two distinctly different CNT morphologies. The observations suggest that the evolution of the macroscopic CNT morphologies be driven by competing collective growth and spatial constraints. ©2006 American Institute of Physics
History: Received 11 January 2006; accepted 6 April 2006; published 24 May 2006
Permalink: http://link.aip.org/link/?APPLAB/88/213111/1
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KEYWORDS and PACS

Keywords
PACS
  • 81.07.De
    Nanotubes: fabrication and characterization
  • 61.46.Fg
    Nanotubes
  • YEAR: 2006

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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