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Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices

Polyaniline (PANI) is among one of the most extensively studied electroconductive polymers. The present study involves synthesis of novel sandwiched PANI composite, where cobalt complexes were embedded in between PANI layers. Uniform dispersion of complex on polyaniline matrix was carried out in ace...

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Main Authors: Khanam, Z., Sa'don, N.A., Adam, F.
Format: Non-Indexed Article
Published: Elsevier 2014
Online Access:http://discol.umk.edu.my/id/eprint/8252/
http://www.sciencedirect.com/science/article/pii/S0379677914000836
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spelling my.umk.eprints.82522022-05-23T10:26:09Z http://discol.umk.edu.my/id/eprint/8252/ Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices Khanam, Z. Sa'don, N.A. Adam, F. Polyaniline (PANI) is among one of the most extensively studied electroconductive polymers. The present study involves synthesis of novel sandwiched PANI composite, where cobalt complexes were embedded in between PANI layers. Uniform dispersion of complex on polyaniline matrix was carried out in acetonitrile at room temperature via magnetic agitation of polyemeraldine base and Co-complex solution mixtures. Spectroscopic studies (FT-IR, FT-Raman, UV–vis and 15N MAS NMR) have evidenced the interaction of Co-complex with the N-backbone of polymeric chain. The lamellar structure of composite as well as existence of metal containing spherical nanoparticles of Co[SalophH2]2+ ions between them were detected in TEM micrographs with average diameter of 4.78 nm. The thermogravimetric analysis of the prepared nanocomposite displayed four stages of degradation between 29.4 and 897.2 °C with considerable thermal stability. Moreover, determination of magnetic properties of all the prepared materials showed that PANI-Co[SalophH2]-PANI composite has paramagnetic behavior, while PANI and its emaraldine base were diamagnetic in nature at room temperature. Thus, the present study holds promise for thermal purposes and magnetic applications of cobalt containing polyaniline composites. Elsevier 2014 Non-Indexed Article NonPeerReviewed Khanam, Z. and Sa'don, N.A. and Adam, F. (2014) Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices. Synthetic Metals, 192. pp. 1-9. http://www.sciencedirect.com/science/article/pii/S0379677914000836
institution Universiti Malaysia Kelantan
building Perpustakaan Universiti Malaysia Kelantan
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Kelantan
content_source UMK Institutional Repository
url_provider http://umkeprints.umk.edu.my/
description Polyaniline (PANI) is among one of the most extensively studied electroconductive polymers. The present study involves synthesis of novel sandwiched PANI composite, where cobalt complexes were embedded in between PANI layers. Uniform dispersion of complex on polyaniline matrix was carried out in acetonitrile at room temperature via magnetic agitation of polyemeraldine base and Co-complex solution mixtures. Spectroscopic studies (FT-IR, FT-Raman, UV–vis and 15N MAS NMR) have evidenced the interaction of Co-complex with the N-backbone of polymeric chain. The lamellar structure of composite as well as existence of metal containing spherical nanoparticles of Co[SalophH2]2+ ions between them were detected in TEM micrographs with average diameter of 4.78 nm. The thermogravimetric analysis of the prepared nanocomposite displayed four stages of degradation between 29.4 and 897.2 °C with considerable thermal stability. Moreover, determination of magnetic properties of all the prepared materials showed that PANI-Co[SalophH2]-PANI composite has paramagnetic behavior, while PANI and its emaraldine base were diamagnetic in nature at room temperature. Thus, the present study holds promise for thermal purposes and magnetic applications of cobalt containing polyaniline composites.
format Non-Indexed Article
author Khanam, Z.
Sa'don, N.A.
Adam, F.
spellingShingle Khanam, Z.
Sa'don, N.A.
Adam, F.
Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices
author_facet Khanam, Z.
Sa'don, N.A.
Adam, F.
author_sort Khanam, Z.
title Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices
title_short Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices
title_full Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices
title_fullStr Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices
title_full_unstemmed Synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices
title_sort synthesis and characterization of a novel paramegnetic polyaniline composite with uniformly distributed metallic nanoparticles sandwiched between polymer matrices
publisher Elsevier
publishDate 2014
url http://discol.umk.edu.my/id/eprint/8252/
http://www.sciencedirect.com/science/article/pii/S0379677914000836
_version_ 1763303957657026560
score 13.211869

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