Direct Observation of Polymer Sheathing in Carbon Nanotube-Polycarbonate Composites

W. Ding, A. Eitan, F. T. Fisher, Xinqi Chen, D. A. Dikin, R. Andrews, L Catherine Brinson, L. S. Schadler, R. S. Ruoff*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

233 Scopus citations

Abstract

A series of observations of polymer sheathing in multiwalled carbon nanotube (MWCNT)-polycarbonate composites are presented. This sheathing was observed in images of the composite fracture surface and is consistent with diameter distributions of the as-received and embedded MWCNTs. A novel nanomanipulation experiment, where the sheathing balls up when contacted by an AFM tip, confirms this phenomenon. This sheathing layer is direct evidence of substantial MWCNT-polymer interaction and will influence the mechanical properties of MWCNT-polymer composites.

Original languageEnglish (US)
Pages (from-to)1593-1597
Number of pages5
JournalNano letters
Volume3
Issue number11
DOIs
StatePublished - Nov 1 2003

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

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