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Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites

In this work, polypyrrole (PPy) and incomplete polymerized pyrrole (Pyr) were synthesized from pyrrole monomer via chemical oxidative polymerization using two different oxidants: ammonium persulfate (APS) and ammonium bisulfate (ABS). Electrical, structural, and morphological characteristics of PPy...

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Main Authors: Wong, Yung Cheng, Wong, Yew Hoong, Ang, Bee Chin, Baharuddin, Aainaa Aqilah, Haseeb, A. S. M. A.
Format: Article
Published: Springer 2023
Subjects:
QD Chemistry
Online Access:http://eprints.um.edu.my/39135/
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spelling my.um.eprints.391352023-11-29T09:24:07Z http://eprints.um.edu.my/39135/ Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites Wong, Yung Cheng Wong, Yew Hoong Ang, Bee Chin Baharuddin, Aainaa Aqilah Haseeb, A. S. M. A. QD Chemistry In this work, polypyrrole (PPy) and incomplete polymerized pyrrole (Pyr) were synthesized from pyrrole monomer via chemical oxidative polymerization using two different oxidants: ammonium persulfate (APS) and ammonium bisulfate (ABS). Electrical, structural, and morphological characteristics of PPy and Pyr are examined through electrical conductivity test, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX), respectively. The presence of tungsten oxide (WO3) and PPy/WO3 was likewise confirmed by FTIR and XRD. PPy synthesized with APS showed conductivity of 0.53 S/m, while Pyr synthesized with ABS had conductivity of 1.39 x 10(-7) S/ m. PPy with higher conductivity was used for hybridization with WO3 and for subsequent electrospinning. The presence of NH stretching in Pyr which is absent in PPy indicates the NH stretch from pyrrole. Further processing showed a successful electrospinning of PPy and PPy/WO3 with the aid of PU as copolymer. Electrospun PPy/PU displayed globular morphology, while electrospun PPy/PU/WO3 exhibited fibrous morphology. From this study, it is inferred that electrical conductivity is a crucial factor in ensuring a successful electrospinning of fibrous conductive polymer materials. In addition, APS has polymerized pyrrole successfully, while use of ABS yields an incomplete pyrrole polymerization. With further parameter improvement, ABS can be potentially used as an alternative oxidant for polymerization. Springer 2023-01 Article PeerReviewed Wong, Yung Cheng and Wong, Yew Hoong and Ang, Bee Chin and Baharuddin, Aainaa Aqilah and Haseeb, A. S. M. A. (2023) Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites. Journal of Materials Science-Materials in Electronics, 34 (1). ISSN 0957-4522, DOI https://doi.org/10.1007/s10854-022-09483-0 <https://doi.org/10.1007/s10854-022-09483-0>. 10.1007/s10854-022-09483-0
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QD Chemistry
spellingShingle QD Chemistry
Wong, Yung Cheng
Wong, Yew Hoong
Ang, Bee Chin
Baharuddin, Aainaa Aqilah
Haseeb, A. S. M. A.
Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites
description In this work, polypyrrole (PPy) and incomplete polymerized pyrrole (Pyr) were synthesized from pyrrole monomer via chemical oxidative polymerization using two different oxidants: ammonium persulfate (APS) and ammonium bisulfate (ABS). Electrical, structural, and morphological characteristics of PPy and Pyr are examined through electrical conductivity test, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX), respectively. The presence of tungsten oxide (WO3) and PPy/WO3 was likewise confirmed by FTIR and XRD. PPy synthesized with APS showed conductivity of 0.53 S/m, while Pyr synthesized with ABS had conductivity of 1.39 x 10(-7) S/ m. PPy with higher conductivity was used for hybridization with WO3 and for subsequent electrospinning. The presence of NH stretching in Pyr which is absent in PPy indicates the NH stretch from pyrrole. Further processing showed a successful electrospinning of PPy and PPy/WO3 with the aid of PU as copolymer. Electrospun PPy/PU displayed globular morphology, while electrospun PPy/PU/WO3 exhibited fibrous morphology. From this study, it is inferred that electrical conductivity is a crucial factor in ensuring a successful electrospinning of fibrous conductive polymer materials. In addition, APS has polymerized pyrrole successfully, while use of ABS yields an incomplete pyrrole polymerization. With further parameter improvement, ABS can be potentially used as an alternative oxidant for polymerization.
format Article
author Wong, Yung Cheng
Wong, Yew Hoong
Ang, Bee Chin
Baharuddin, Aainaa Aqilah
Haseeb, A. S. M. A.
author_facet Wong, Yung Cheng
Wong, Yew Hoong
Ang, Bee Chin
Baharuddin, Aainaa Aqilah
Haseeb, A. S. M. A.
author_sort Wong, Yung Cheng
title Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites
title_short Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites
title_full Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites
title_fullStr Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites
title_full_unstemmed Effects of polymerization oxidants on the fabrication of electrospun PPy/WO3 composites
title_sort effects of polymerization oxidants on the fabrication of electrospun ppy/wo3 composites
publisher Springer
publishDate 2023
url http://eprints.um.edu.my/39135/
_version_ 1783945857142358016
score 13.211869

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