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Applied Physics Letters / Volume 97 / Issue 10 / STRUCTURAL, MECHANICAL, THERMODYNAMIC, AND OPTICAL PROPERTIES OF CONDENSED MATTER

Appl. Phys. Lett. 97, 101901 (2010); doi:10.1063/1.3485084 (3 pages)

Visible iridescence from self-assembled periodic rippling in vertically aligned carbon nanotube forests

Phillip Vinten1,2, Jacques Lefebvre1, and Paul Finnie1,2

1Institute for Microstructural Sciences, National Research Council Canada, Building M-50, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
2Department of Physics, University of Ottawa, 150 Louis Pasteur, Ottawa, Ontario K1N 6N5, Canada

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(Received 20 May 2010; accepted 28 June 2010; published online 7 September 2010)

We observe iridescence in the form of spectrally dispersed white light reflected from the structured sidewalls of vertically aligned carbon nanotube forests. The iridescence is a result of diffraction from a self-assembled periodic rippling pattern on the forest sidewalls that acts as a reflection grating. We measure the grating spacing via white light and laser diffraction experiments and see good agreement with the spacing of the rippling pattern as measured via scanning electron microscopy. The periodic rippling pattern self-assembles during chemical vapor deposition growth of the forests.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

carbon nanotubes, chemical vapour deposition, nanofabrication, self-assembly, visible spectra

PACS

  • 81.16.Dn

    Self-assembly

  • 78.40.Ri

    Fullerenes and related materials

  • 81.15.Gh

    Chemical vapor deposition (including plasma-enhanced CVD, MOCVD, ALD, etc.)

  • 81.07.De

    Nanotubes

  • 78.67.Ch

    Nanotubes

  • 61.48.De

    Structure of carbon nanotubes, boron nanotubes, and other related systems

ARTICLE DATA

Permalink
http://link.aip.org/link/doi/10.1063/1.3485084

PUBLICATION DATA

ISSN:

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

Publisher:

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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    V. L. Pushparaj, L. Ci, S. Sreekala, A. Kumar, S. Kesapragada, D. Gall, O. Nalamasu, A. M. Pulickel, and J. Suhr, Appl. Phys. Lett. 91, 153116 (2007)APPLAB000091000015153116000001.

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    J. Rybczynski, K. Kempa, Y. Wang, Z. F. Ren, J. B. Carlson, B. R. Kimball, and G. Benham, Appl. Phys. Lett. 88, 203122 (2006)APPLAB000088000020203122000001.


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