Applied Physics A

, Volume 70, Issue 5, pp 599–602 | Cite as

A new purification method for single-wall carbon nanotubes (SWNTs)

  • M. Holzinger
  • A. Hirsch
  • P. Bernier
  • G.S. Duesberg
  • M. Burghard
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Abstract.

A new purification procedure is introduced, which uses the advantages of column chromatography and vacuum filtration. Potassium polyacrylate is used as stationary phase. This method is based on the idea that the size of the existing cavities in the polymer increases during a swelling process in distilled water. The cavities are big enough to entrap the nanoparticles, but allow for a free movement of nanotubes and bundles.

PACS: 78.30.; 61.16.; 81.10. 

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Copyright information

© Springer-Verlag 2000

Authors and Affiliations

  • M. Holzinger
    • 1
  • A. Hirsch
    • 1
  • P. Bernier
    • 2
  • G.S. Duesberg
    • 3
  • M. Burghard
    • 4
  1. 1.Institut für Organische Chemie, Henkestr.42, 91054 Erlangen, GermanyDE
  2. 2.GDPC, Universite de Montpellier II, CC26, 34095 Montpellier Cedex 05, FranceFR
  3. 3.Physics Dept., Trinity College Dublin, College Green, Dublin 2, IrelandIE
  4. 4.Max-Planck-Institut für Festkörperforschung, Heisenbergstr. 1, 70569 Stuttgart, GermanyDE

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