Access to this article is restricted until 24 months after publication by request of the publisher.. Restriction lift date: 2018-10-07
Synthesis and characterization of nanocomposites based on PANI and carbon nanostructures prepared by electropolymerization
Loading...
Files
Accepted Version
Date
2016-10-07
Authors
Petrovski, Aleksandar
Paunović, Perica
Avolio, Roberto
Errico, Maria E.
Cocca, Mariacristina
Gentile, Gennaro
Grozdanov, Anita
Avella, Maurizio
Barton, John
Dimitrov, Aleksandar
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier
Published Version
Abstract
Nanocomposites based on polyaniline (PANI) and carbon nanostructures (CNSs) (graphene (G) and multiwall carbon nanotubes (MWCNTs)) were prepared by in situ electrochemical polymerization. CNSs were inserted into the PANI matrix by dispersing them into the electrolyte before the electropolymerization. Electrochemical characterization by means of cyclic voltammetry and steady state polarization were performed in order to determine conditions for electro- polymerization. Electro-polymerization of the PANI based nanocomposites was carried out at 0.75 V vs. saturated calomel electrode (SCE) for 40 and 60 minutes. The morphology and structural characteristics of the obtained nanocomposites were studied by scanning electron microscopy (SEM) and Raman spectroscopy, while thermal stability was determined using thermal gravimetric analysis (TGA). According to the morphological and structural study, fibrous and porous structure of PANI based nanocomposites was detected well embedding both G and MWCNTs. Also, strong interaction between quinoidal structure of PANI with carbon nanostructures via π–π stacking was detected by Raman spectroscopy. TGA showed the increased thermal stability of composites reinforced with CNSs, especially those reinforced with graphene.
Description
Keywords
Composite materials , Nanostructures , Raman spectroscopy , Thermogravimetry
Citation
Petrovski, A., Paunović, P., Avolio, R., Errico, M. E., Cocca, M., Gentile, G., Grozdanov, A., Avella, M., Barton, J. and Dimitrov, A. (2016) ‘Synthesis and characterization of nanocomposites based on PANI and carbon nanostructures prepared by electropolymerization’, Materials Chemistry and Physics, 185, pp. 83-90. doi: 10.1016/j.matchemphys.2016.10.008.