Brief Communication

Journal of Nanoparticle Research

, Volume 11, Issue 8, pp 2163-2170

Non-covalent interaction of benzonitrile with single-walled carbon nanotubes

  • Odair P. FerreiraAffiliated withLQES – Laboratório de Química do Estado Sólido, Instituto de Química, Universidade Estadual de Campinas (UNICAMP)
  • , Larissa OtuboAffiliated withLQES – Laboratório de Química do Estado Sólido, Instituto de Química, Universidade Estadual de Campinas (UNICAMP)
  • , Acrisio L. AguiarAffiliated withDepartamento de Física, UFC
  • , Jose J. A. SilvaAffiliated withDepartamento de Física, UFC
  • , Josue Mendes FilhoAffiliated withDepartamento de Física, UFC
  • , Antonio G. Souza FilhoAffiliated withLQES – Laboratório de Química do Estado Sólido, Instituto de Química, Universidade Estadual de Campinas (UNICAMP)Departamento de Física, UFC Email author 
  • , Solange B. FaganAffiliated withÁrea de Ciências Naturais e Tecnológicas, Centro Universitário Franciscano (UNIFRA)
  • , Oswaldo L. AlvesAffiliated withLQES – Laboratório de Química do Estado Sólido, Instituto de Química, Universidade Estadual de Campinas (UNICAMP) Email author 

Rent the article at a discount

Rent now

* Final gross prices may vary according to local VAT.

Get Access

Abstract

We have studied the interaction of benzonitrile with as-prepared and purified single-walled carbon nanotubes (SWCNTs). As-prepared SWCNTs, when suspended in benzonitrile, lead to a red colored dispersion which contains fragments composed mostly of amorphous carbon and carbon-coated catalyst, thus suggesting that benzonitrile is a solvent that can be used as one step of the purification process. Optical spectroscopic data (infrared, Raman, absorption) showed that purified carbon nanotubes interact weakly with benzonitrile. These experimental results are confirmed by first principles calculations that predict a very weak adsorption process through π–π interaction instead of through the free electron pair of the nitrile.

Keywords

Carbon nanotubes Carbon nanoparticles Purification process