Author/Authors :
Elnaggar, Elsayed M Department of Chemistry - Faculty of Science - Al-Azher University - Cairo, Egypt , Kabel, Khalid I Department of Petroleum Applications - Egyptian Petroleum Research Institute - Cairo, Egypt , Farag, Ahmed A Department of Petroleum Applications - Egyptian Petroleum Research Institute - Cairo, Egypt , Al-Gamal, Abdalrhman G Department of Petroleum Applications - Egyptian Petroleum Research Institute - Cairo, Egypt
Abstract :
This study reported the doping of polyaniline
(PANI) with graphene (G) and multi-walled carbon nanotubes
(MWCNTs) by in situ polymerization. Themolecular structure
of PANI and its composites was observed by FTIR, which
shows that the intensity of composites peaks are higher than
pure PANI due to charge transfer between the PANI and graphitic
allotropes. The structural information and crystallinity of
PANI and its composites can be deduced from X-ray diffraction.
The morphological characterization was observed by
transmission electronmicroscope, which elucidated that aniline
molecules were physically adsorbed and polymerized on the
surface of graphene and MWCNTs due to p–p* electron
interaction. PANI represents as an external layer of composites
with several diameters depending on the PANI deposition
degree, where the cores areGandMWCNTs. The conductivity
measurement clarified the conductivity value of 0.1 wt% G in
PANI matrix is higher 17 times than PANI without it.
