Journal of Industrial and Engineering Chemistry

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Ammonia vapor sensing and electrical properties of fibrous multi-walled carbon nanotube/polyaniline nanocomposites prepared in presence of cetyl-trimethylammonium bromide

  • Ansari, Mohd Omaish (School of Chemical Engineering, Yeungnam University) ;
  • Ansari, Shahid Pervez (Chemistry Department, College of Applied Sciences, Umm Al-Qura University) ;
  • Yadav, Santosh Kumar (Center for Materials Architecturing, Korea Institute of Science and Technology (KIST)) ;
  • Anwer, Tarique (Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University) ;
  • Cho, Moo Hwan (School of Chemical Engineering, Yeungnam University) ;
  • Mohammad, Faiz (Department of Applied Chemistry, Faculty of Engineering and Technology, Aligarh Muslim University)
  • Received : 2013.04.18
  • Accepted : 2013.09.16
  • Published : 2014.07.25
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Abstract

Electrically conductive HCl-doped multi-walled carbon nanotube (MWCNT)/polyaniline (Pani) nanocomposites were prepared in the presence of cetyl-trimethylammonium bromide by in situ oxidative polymerization of aniline containing different amount of MWCNTs. Thus prepared Pani@MWCNT nanocomposites were characterized by FTIR, XRD, Raman spectroscopy, SEM and TEM. The stability in terms of their electrical conductivity retention was studied under isothermal and cyclic aging conditions. Pani@MWCNT nanocomposites showed increased thermal stability in terms of DC electrical conductivity retention with increasing MWCNT content. One of the Pani@MWCNT nanocomposites was also tested for ammonia sensing which showed good sensing response and high reproducibility.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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