Nanotechnologies in Russia

, Volume 7, Issue 11–12, pp 629–634 | Cite as

Behavior of multiwalled carbon nanotubes functionalized with sulfo groups in aqueous salt solutions

  • O. A. Pyshkina
  • T. V. Panova
  • Zh. A. Boeva
  • A. A. Lezov
  • G. E. Polushina
  • A. V. Lezov
  • V. G. SergeyevEmail author


The functionalization of multiwalled carbon nanotubes (MWCNTs) with sulfanilic acid through the diazotization reaction, which yielded the covalent bonding of sulfo groups to the nanotube surfaces, was performed. Stable aqueous nanotube dispersions were obtained. The sizes of functionalized nanotubes in aqueous salt and salt-free solutions and their hydrodynamic characteristics were measured by dynamic light scattering. The data were compared with the data of scanning electron microscopy.


Dynamic Light Scattering Multi Wall Carbon Scanning Electron Micro DMFA Scattered Light Intensity 
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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • O. A. Pyshkina
    • 1
  • T. V. Panova
    • 1
  • Zh. A. Boeva
    • 1
  • A. A. Lezov
    • 2
  • G. E. Polushina
    • 2
  • A. V. Lezov
    • 2
  • V. G. Sergeyev
    • 1
    Email author
  1. 1.Faculty of ChemistryMoscow State UniversityMoscowRussia
  2. 2.Faculty of PhysicsSt. Petersburg State UniversitySt. PetersburgRussia

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