10.1186/2228-5326-3-52

Facile synthesis and characterization of polypyrrole-multiwalled carbon nanotubes by in situ oxidative polymerization

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  • Amin Imani*1,
  • Gholamali Farzi,
  • Adnen Ltaief,
  1. Department of Materials and Polymer Engineering, Faculty of Engineering, Hakim Sabzevari University, Sabzevar, IR
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Published in Issue 2013-09-26

How to Cite

Imani, A., Farzi, G., & Ltaief, A. (2013). Facile synthesis and characterization of polypyrrole-multiwalled carbon nanotubes by in situ oxidative polymerization. International Nano Letters, 3(1 (December 2013). https://doi.org/10.1186/2228-5326-3-52
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Abstract

Abstract Polypyrrole-multiwall carbon nanotube (PPy-MWCNT) nanocomposites were chemically synthesized via in situ oxidative polymerization of pyrrole. Ammonium peroxydisulfate and p-toluenesulfonic acid were used as an initiator and surfactant dopant, respectively. The molar ratio of monomer unit to initiator and dopant was 1:1:1, and the percentage of MWCNT in PPy varied from 1 to 10 wt.%. PPy-MWCNT nanocomposites were characterized to study chemical structure, morphology, thermal, electrical, and surface properties. To accomplish this, the samples have been characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, thermogravimetric analysis, four probe resistivity method, and atomic force microscopy. The results showed that PPy-MWCNT nanocomposites were successfully synthesized via in situ oxidative polymerization method, and also, electrical conductivity of nanocomposites was increased when the content of MWCNT increase.

Keywords

  • Polypyrrole,
  • Multiwall carbon nanotubes,
  • Nanocomposites,
  • Oxidative polymerization,
  • Conductivity,
  • AFM
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