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Effect of carbon nanotube alignment and length on the electrical conductivity and piezoresistivity of CNT/PMMA composites

  • G. Venturab(Author)
    ,
  • J. Cobc(Author)
    ,
  • A. May-Patb(Author)
    ,
  • A. I. Olivac(Author)
    ,
  • F. Avilésb(Author)
    ,
  • ,
  • bCentro de Investigacion Cientifica de Yucatan
    ,
  • cCentro de Investigacion y de Estudios Avanzados del Instituto Politécnico Nacional
Research Output: Contribution to conference/congress Paper Peer-review

Publication Information

Output type

Research Output: Contribution to conference/congress Paper Peer-review

Original language

English

Publication milestones

  • Published - 01/01/2017

Publication status

Published - 01/01/2017

External Publication IDs

  • Scopus: 85053116180

Abstract

The effect of the length of multiwall carbon nanotubes (MWCNTs) on the electrical properties of MWCNT/polymer composites is investigated. A methodology based on controlled ultrasonic fragmentation was implemented to systematically reduce the length of the MWCNTs, supported by scanning electron microscopy and length measurements. The as-received and fragmented MWCNTs were used to fabricate MWCNT/polymethyl methacrylate composites, evaluating the effect of such a fragmentation in the resulting electrical conductivity of the composites. The effect of length-shortening and carbon nanotube alignment on the piezoresistive properties of such composites is an ongoing work which will be presented at the conference.

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