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THERMAL STABILITY AND ELECTRICAL PROPERTIES OF DBSA DOPED CETYLTRIMETHYL AMMONIUM BROMIDE FACILITATED PANI@GN NANOCOMPOSITES
Mahfoozurrahman Khan, Faiz Mohammad

Published in: International Journal of Current Engineering And Scientific Research ( IJCESR)
Volume- 4, Issue-8, pp.1-12, Aug 2017
DPI :-> 16.10046.IJCESR.2017.V4I8.112.1859



Abstract
Using innovative approach, the electrically conductive dodecylbenzenesulfonic acid (DBSA) doped polyaniline@graphene (Pani@GN) nanocomposites containing different amounts of graphene were prepared by in-situ oxidative polymerization by using K2S2O8 as an oxidant. Cetyltrimethylammonium bromide (CTAB) was added into the reaction mixture for uniform and homogeneous distribution of components in the Pani@GN:DBSA nanocomposites. Thus prepared nanocomposites were characterized by Fourier Transform Infra-red Spectroscopy (FTIR), X-Ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), Thermogravimetric Analysis (TGA) and Differential Thermal Analysis (DTA). CTAB and DBSA played the role of surfactant for the enhanced uniform dispersion of graphene sheets within the polymer matrix besides DBSA acted as dopant also. Incorporation of graphene nanofiller improved electrical properties and thermal stability of nanocomosites. The FTIR supports the presence of ??? interactions between Pani and GN due to the formation of charge-transfer nanocomposites. Pani@GN:DBSA nanocomposites showed higher thermal stability than the Pani: DBSA. Stability in terms of DC electrical conductivity retention was studied by isothermal and cyclic ageing techniques and was observed to be better than that of Pani under ambient environmental conditions

Key-Words / Index Term
DBSA doped Pani@GN nanocomposites, in-situ polymerization, electron microscopy, thermal stability, electrical properties, isothermal and cyclic ageing techniques.

How to cite this article
Mahfoozurrahman Khan, Faiz Mohammad , “THERMAL STABILITY AND ELECTRICAL PROPERTIES OF DBSA DOPED CETYLTRIMETHYL AMMONIUM BROMIDE FACILITATED PANI@GN NANOCOMPOSITES”, International Journal of Current Engineering And Scientific Research ( IJCESR), 4, Issue-8, pp.1-12, Aug 2017. DPI:16.10046.IJCESR.V4.I8.1859