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Fibers of Carbon Nanotubes

Published online by Cambridge University Press:  15 March 2011

Brigitte Vigolo ,
Pascale Launois ,
Marcel Lucas ,
Stéphane Badaire ,
Patrick Bernier  and
Philippe Poulin
Brigitte Vigolo
Affiliation:
Centre de Recherche Paul Pascal / CNRS, Université Bordeaux I, Avenue Schweitzer, 33600 Pessac, France
Pascale Launois
Affiliation:
Laboratoire de Physique des Solides (UMR CNRS 8502), bât. 510, Université Paris-Sud, 91405 Orsay, France
Marcel Lucas
Affiliation:
Laboratoire de Physique des Solides (UMR CNRS 8502), bât. 510, Université Paris-Sud, 91405 Orsay, France
Stéphane Badaire
Affiliation:
Centre de Recherche Paul Pascal / CNRS, Université Bordeaux I, Avenue Schweitzer, 33600 Pessac, France
Patrick Bernier
Affiliation:
GDPC, Université de Montpellier II, 34095 Montpellier, France
Philippe Poulin
Affiliation:
Centre de Recherche Paul Pascal / CNRS, Université Bordeaux I, Avenue Schweitzer, 33600 Pessac, France
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Abstract

We briefly review some methods recently proposed to make films and fibers of preferentially oriented carbon nanotubes. We discuss in more detail a simple spinning process which consists in dispersing the nanotubes in a surfactant solution, re-condensing the nanotubes in the flow of a coagulating polymer solution to form a nanotube mesh, and then collating this mesh to a nanotube fiber. We measure the mechanical properties of the obtained fibers and characterize the nanotube alignment along the fiber axis by X-ray scattering experiments. We show that the alignment can be improved by stretching the fibers under well-defined conditions. This allows the Young's modulus to be increased by a factor 4, leading thereby to materials forty times stronger than high-quality buckypaper. We believe that these improved fibers can already be potentially useful as functional materials. A simple example of electromechanical actuation is shown.

Type
Article
Information
MRS Online Proceedings Library (OPL) , Volume 706: Symposium Z – Making Functional Materials with Nanotubes , 2001 , Z1.4.1
Copyright
Copyright © Materials Research Society 2002

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