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Growth of ultrahigh density single-walled carbon nanotube forests by improved catalyst design
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Zhong, Guofang, Warner, Jamie H., Fouquet, Martin, Robertson, Alex W., Chen, Bingan and Robertson, John (2012) Growth of ultrahigh density single-walled carbon nanotube forests by improved catalyst design. ACS Nano, 6 (4). pp. 2893-2903. doi:10.1021/nn203035x ISSN 1936-0851.
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Official URL: http://dx.doi.org/10.1021/nn203035x
Abstract
We have grown vertically aligned single-walled carbon nanotube forests with an area density of 1.5 × 1013 cm–2, the highest yet achieved, by reducing the average diameter of the nanotubes. We use a nanolaminate Fe–Al2O3 catalyst design consisting of three layers of Al2O3, Fe, and Al2O3, in which the lower Al2O3 layer is densified by an oxygen plasma treatment to increase its diffusion barrier properties, to allow a thinner catalyst layer to be used. This high nanotube density is desirable for using carbon nanotubes as interconnects in integrated circuits.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||
Journal or Publication Title: | ACS Nano | ||||||||||
Publisher: | American Chemical Society | ||||||||||
ISSN: | 1936-0851 | ||||||||||
Official Date: | 24 April 2012 | ||||||||||
Dates: |
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Volume: | 6 | ||||||||||
Number: | 4 | ||||||||||
Page Range: | pp. 2893-2903 | ||||||||||
DOI: | 10.1021/nn203035x | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||
Copyright Holders: | American Chemical Society | ||||||||||
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