Macroscopic Fibers and Ribbons of Oriented Carbon Nanotubes

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Science  17 Nov 2000:
Vol. 290, Issue 5495, pp. 1331-1334
DOI: 10.1126/science.290.5495.1331

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A simple method was used to assemble single-walled carbon nanotubes into indefinitely long ribbons and fibers. The processing consists of dispersing the nanotubes in surfactant solutions, recondensing the nanotubes in the flow of a polymer solution to form a nanotube mesh, and then collating this mesh to a nanotube fiber. Flow-induced alignment may lead to a preferential orientation of the nanotubes in the mesh that has the form of a ribbon. Unlike classical carbon fibers, the nanotube fibers can be strongly bent without breaking. Their obtained elastic modulus is 10 times higher than the modulus of high-quality bucky paper.

  • * Present address: Université Claude Bernard, Lyon I, 43 boulevard du 11 novembre 1918, 69622 Villeurbanne, France.

  • To whom correspondence should be addressed. E-mail: poulin{at}

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