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Effect of the carbon nanotube surface characteristics on the conductivity and dielectric constant of carbon nanotube/poly(vinylidene fluoride) composites

Journal Article


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Abstract


  • Commercial multi-walled carbon nanotubes (CNT) were functionalized by oxidation with HNO3, to introduce oxygen-containing surface groups, and by thermal treatments at different temperatures for their selective removal. The obtained samples were characterized by adsorption of N2 at -196°C, temperature-programmed desorption and determination of pH at the point of zero charge. CNT/poly(vinylidene fluoride) composites were prepared using the above CNT samples, with different filler fractions up to 1 wt%. It was found that oxidation reduced composite conductivity for a given concentration, shifted the percolation threshold to higher concentrations, and had no significant effect in the dielectric response. © Carabineiro et al.

UOW Authors


  •   Carabineiro, S A. (external author)
  •   Pereira, Manuel F. (external author)
  •   Nunes-Pereira, J (external author)
  •   Caparrós, Cristina (external author)
  •   Gomes da Silva Sencadas, Vitor
  •   Lanceros-Méndez, Senentxu (external author)

Publication Date


  • 2011

Citation


  • Carabineiro, S. A. C.., Pereira, M. F. R.., Nunes-Pereira, J. N., Caparrós, C., Sencadas, V. & Lanceros-Méndez, S. (2011). Effect of the carbon nanotube surface characteristics on the conductivity and dielectric constant of carbon nanotube/poly(vinylidene fluoride) composites. Nanoscale Research Letters, 6 (1), 1-5.

Scopus Eid


  • 2-s2.0-84255183728

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=4744&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/3725

Number Of Pages


  • 4

Start Page


  • 1

End Page


  • 5

Volume


  • 6

Issue


  • 1

Abstract


  • Commercial multi-walled carbon nanotubes (CNT) were functionalized by oxidation with HNO3, to introduce oxygen-containing surface groups, and by thermal treatments at different temperatures for their selective removal. The obtained samples were characterized by adsorption of N2 at -196°C, temperature-programmed desorption and determination of pH at the point of zero charge. CNT/poly(vinylidene fluoride) composites were prepared using the above CNT samples, with different filler fractions up to 1 wt%. It was found that oxidation reduced composite conductivity for a given concentration, shifted the percolation threshold to higher concentrations, and had no significant effect in the dielectric response. © Carabineiro et al.

UOW Authors


  •   Carabineiro, S A. (external author)
  •   Pereira, Manuel F. (external author)
  •   Nunes-Pereira, J (external author)
  •   Caparrós, Cristina (external author)
  •   Gomes da Silva Sencadas, Vitor
  •   Lanceros-Méndez, Senentxu (external author)

Publication Date


  • 2011

Citation


  • Carabineiro, S. A. C.., Pereira, M. F. R.., Nunes-Pereira, J. N., Caparrós, C., Sencadas, V. & Lanceros-Méndez, S. (2011). Effect of the carbon nanotube surface characteristics on the conductivity and dielectric constant of carbon nanotube/poly(vinylidene fluoride) composites. Nanoscale Research Letters, 6 (1), 1-5.

Scopus Eid


  • 2-s2.0-84255183728

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=4744&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/3725

Number Of Pages


  • 4

Start Page


  • 1

End Page


  • 5

Volume


  • 6

Issue


  • 1