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Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide

Para-Toluene sulfonic acid doped polyaniline (PANI), PANI/chitosan composites, PANI/reduced graphene-oxide composites and a ternary composite comprising of PANI, chitosan and reduced graphene-oxide have synthesised via oxidative polymerisation of aniline by Ammonium peroxydisulfate (APS). FTIR, XRD,...

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Main Authors: Usman, Fahad, Dennis, John Ojur, Ahmed, Abdelaziz Yousif, Seong, Khe Cheng, Fen, Yap Wing, Sadrolhosseini, Amir Reza, Meriaudeau, Fabrice, Kumar, Pradeep, Ayodele, Olumide Bolarinwa
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Published: Elsevier 2020
Online Access:http://psasir.upm.edu.my/id/eprint/85943/
https://www.sciencedirect.com/science/article/pii/S2238785419310385
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spelling my.upm.eprints.859432023-11-28T02:30:39Z http://psasir.upm.edu.my/id/eprint/85943/ Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide Usman, Fahad Dennis, John Ojur Ahmed, Abdelaziz Yousif Seong, Khe Cheng Fen, Yap Wing Sadrolhosseini, Amir Reza Meriaudeau, Fabrice Kumar, Pradeep Ayodele, Olumide Bolarinwa Para-Toluene sulfonic acid doped polyaniline (PANI), PANI/chitosan composites, PANI/reduced graphene-oxide composites and a ternary composite comprising of PANI, chitosan and reduced graphene-oxide have synthesised via oxidative polymerisation of aniline by Ammonium peroxydisulfate (APS). FTIR, XRD, FESEM and UV-VIS techniques were performed for the confirmation of the successful synthesis. The fundamental optical parameters such as, complex refractive index, complex dielectric constants and optical conductivity of the PANI and the composites were investigated in the UV-VIS-NIR range. The results show a clear dependence on the constituent component such as sulphur as well as the absorbance values of the polymers. This study would therefore serve as initial solution to the scarcity of studies on the optical contants of p-toluene sulfonic acid doped polyaniline and its composites that could have many potential electrical, optical and optoelectronic applications. Elsevier 2020 Article PeerReviewed Usman, Fahad and Dennis, John Ojur and Ahmed, Abdelaziz Yousif and Seong, Khe Cheng and Fen, Yap Wing and Sadrolhosseini, Amir Reza and Meriaudeau, Fabrice and Kumar, Pradeep and Ayodele, Olumide Bolarinwa (2020) Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide. Journal of Materials Research and Technology, 9 (2). 1468 - 1476. ISSN 2238-7854; ESSN: 2214-0697 https://www.sciencedirect.com/science/article/pii/S2238785419310385 10.1016/j.jmrt.2019.11.072
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description Para-Toluene sulfonic acid doped polyaniline (PANI), PANI/chitosan composites, PANI/reduced graphene-oxide composites and a ternary composite comprising of PANI, chitosan and reduced graphene-oxide have synthesised via oxidative polymerisation of aniline by Ammonium peroxydisulfate (APS). FTIR, XRD, FESEM and UV-VIS techniques were performed for the confirmation of the successful synthesis. The fundamental optical parameters such as, complex refractive index, complex dielectric constants and optical conductivity of the PANI and the composites were investigated in the UV-VIS-NIR range. The results show a clear dependence on the constituent component such as sulphur as well as the absorbance values of the polymers. This study would therefore serve as initial solution to the scarcity of studies on the optical contants of p-toluene sulfonic acid doped polyaniline and its composites that could have many potential electrical, optical and optoelectronic applications.
format Article
author Usman, Fahad
Dennis, John Ojur
Ahmed, Abdelaziz Yousif
Seong, Khe Cheng
Fen, Yap Wing
Sadrolhosseini, Amir Reza
Meriaudeau, Fabrice
Kumar, Pradeep
Ayodele, Olumide Bolarinwa
spellingShingle Usman, Fahad
Dennis, John Ojur
Ahmed, Abdelaziz Yousif
Seong, Khe Cheng
Fen, Yap Wing
Sadrolhosseini, Amir Reza
Meriaudeau, Fabrice
Kumar, Pradeep
Ayodele, Olumide Bolarinwa
Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide
author_facet Usman, Fahad
Dennis, John Ojur
Ahmed, Abdelaziz Yousif
Seong, Khe Cheng
Fen, Yap Wing
Sadrolhosseini, Amir Reza
Meriaudeau, Fabrice
Kumar, Pradeep
Ayodele, Olumide Bolarinwa
author_sort Usman, Fahad
title Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide
title_short Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide
title_full Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide
title_fullStr Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide
title_full_unstemmed Structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide
title_sort structural characterization and optical constants of p-toluene sulfonic acid doped polyaniline and its composites of chitosan and reduced graphene-oxide
publisher Elsevier
publishDate 2020
url http://psasir.upm.edu.my/id/eprint/85943/
https://www.sciencedirect.com/science/article/pii/S2238785419310385
_version_ 1783879927230103552
score 13.211869

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