Ultrathin anisotropic films assembled from individual single-walled carbon nanotubes and amine polymers

Nina I. Kovtyukhova; Thomas E. Mallouk

doi:10.1021/jp045725u

Ultrathin anisotropic films assembled from individual single-walled carbon nanotubes and amine polymers

Nina I. Kovtyukhova, Thomas E. Mallouk

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

Abstract

Oxidized individual single-walled carbon nanotubes and amine polymers have been assembled into 11-32-nm-thick well-ordered conductive films. The films show highly anisotropic electrical conductivity, which is dominated by the nanotubes in the horizontal plane and by polymer-mediated tunneling in the vertical direction. The ratio of the "along" to "across" conductivity is ∼10 ³. The subnanometer thick polymer layers interleaved with monolayers of nanotubes show conductivity several orders of magnitude higher than films of pristine polymers.

Original language	English (US)
Pages (from-to)	2540-2545
Number of pages	6
Journal	Journal of Physical Chemistry B
Volume	109
Issue number	7
DOIs	https://doi.org/10.1021/jp045725u
State	Published - Feb 24 2005

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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10.1021/jp045725u

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abstract = "Oxidized individual single-walled carbon nanotubes and amine polymers have been assembled into 11-32-nm-thick well-ordered conductive films. The films show highly anisotropic electrical conductivity, which is dominated by the nanotubes in the horizontal plane and by polymer-mediated tunneling in the vertical direction. The ratio of the {"}along{"} to {"}across{"} conductivity is ∼10 3. The subnanometer thick polymer layers interleaved with monolayers of nanotubes show conductivity several orders of magnitude higher than films of pristine polymers.",

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N2 - Oxidized individual single-walled carbon nanotubes and amine polymers have been assembled into 11-32-nm-thick well-ordered conductive films. The films show highly anisotropic electrical conductivity, which is dominated by the nanotubes in the horizontal plane and by polymer-mediated tunneling in the vertical direction. The ratio of the "along" to "across" conductivity is ∼10 3. The subnanometer thick polymer layers interleaved with monolayers of nanotubes show conductivity several orders of magnitude higher than films of pristine polymers.

AB - Oxidized individual single-walled carbon nanotubes and amine polymers have been assembled into 11-32-nm-thick well-ordered conductive films. The films show highly anisotropic electrical conductivity, which is dominated by the nanotubes in the horizontal plane and by polymer-mediated tunneling in the vertical direction. The ratio of the "along" to "across" conductivity is ∼10 3. The subnanometer thick polymer layers interleaved with monolayers of nanotubes show conductivity several orders of magnitude higher than films of pristine polymers.

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Ultrathin anisotropic films assembled from individual single-walled carbon nanotubes and amine polymers

Abstract

All Science Journal Classification (ASJC) codes

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