Direct Observation of Polymer Sheathing in Carbon Nanotube-Polycarbonate Composites

  • W. Ding
  • , A. Eitan
  • , F. T. Fisher
  • , X. Chen
  • , D. A. Dikin
  • , R. Andrews
  • , L. C. Brinson
  • , L. S. Schadler
  • , R. S. Ruoff

Research output: Contribution to journalArticlepeer-review

265 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
Pages (from-to)1593-1597
Number of pages5
JournalNano Letters
Volume3
Issue number11
DOIs
StatePublished - Nov 2003

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