NMR evidence of the diamagnetic interaction between carbon nanotubes functionalized with polymer chains

E. Abou-Hamad, M. R. Babaa, C. Goze-Bac*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Carbon nanotubes functionalized with sulfonated polyether-ether-ketone are investigated using solid state nuclear magnetic resonance. Carbon and proton NMR experiments of the sulfonated polymer chains covalently grafted on the nanotube surface reveal a distribution of diamagnetic shifted lines. These experimental results can be interpreted at the molecular level in terms of magnetic ring currents originating from the surface of the graphitized wall of the nanotubes in agreement with recent theoretical investigations. These features can potentially be used to track the structural modifications, which take place during the functionalization of carbon nanotubes.

Original languageEnglish (US)
Article number023915
JournalJournal of Applied Physics
Volume106
Issue number2
DOIs
StatePublished - 2009
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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