High performance fibres from 'dog bone' carbon nanotubes

Marcelo Motta, Anna Moisala, Ian A. Kinloch, Alan H. Windle

    Research output: Contribution to journalArticlepeer-review


    A method for the direct spinning of pure carbon nanotube fibers from an aerogel formed during chemical vapor decomposition is presented. Fibers based in single-walled carbon nanotube have been successfully produced by conventional spinning from lyotropic solutions in super acids, and such fibers have the high modulus. Polyvinyl alcohol (PVA)-SWCNT composite fibers have a tensile strength of 1.8GPa and remarkable toughness and a strain to failure of 100% in samples that were prestrained by about 20%. The spectrum from direct-spun CNT fibers showed peaks in the 128 to 245 cm-1 wave number that correspond to the single-walled carbon nanotube diameters in the range of 1-2 nm.
    Original languageEnglish
    Pages (from-to)3721-3726
    Number of pages5
    JournalAdvanced Materials
    Issue number21
    Publication statusPublished - 5 Nov 2007


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