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

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• 作者：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)
  
• 刊名：Nanotechnologies in Russia
• 出版年：2012
• 出版时间：12 - November 2012
• 年：2012
• 卷：7
• 期：11
• 页码：629-634
• 全文大小：282KB
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• 作者单位：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)
  
  1. Faculty of Chemistry, Moscow State University, Moscow, 119991, Russia
  2. Faculty of Physics, St. Petersburg State University, ul. Ulyanovskaya 3, St. Petersburg, 198504, Russia
  
• ISSN：1995-0799

文摘

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.