Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance

In this study, we reported the synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate (PCz-ZrP) cation exchange nanocomposite as a new sensing material. Zirconium(IV)phosphate (ZrP) assisted in situ chemical oxidative polymerization of carbazole was used for the synthesis of PC...

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Main Authors: Baig, Umair, Wani, Waseem A., Lee, Ting Hun
Format: Article
Published: Royal Society of Chemistry 2015
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Online Access:http://eprints.utm.my/id/eprint/55253/
http://dx.doi.org/10.1039/c5nj01029b
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spelling my.utm.552532017-08-06T01:34:04Z http://eprints.utm.my/id/eprint/55253/ Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance Baig, Umair Wani, Waseem A. Lee, Ting Hun TP Chemical technology In this study, we reported the synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate (PCz-ZrP) cation exchange nanocomposite as a new sensing material. Zirconium(IV)phosphate (ZrP) assisted in situ chemical oxidative polymerization of carbazole was used for the synthesis of PCz-ZrP. Field emission scanning electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis and X-ray diffraction analysis were applied to characterize the PCz-ZrP cation exchange nanocomposite. Strong interactions between the inorganic particles (ZrP) and organic polymer (PCz) were observed. Thermogravimetric analysis revealed that the PCz-ZrP nanocomposite had higher thermal stability than pure PCz. Moreover, the composite showed good ion-exchange capacity, electrical conductivity and isothermal stability in terms of DC electrical conductivity retention under ambient conditions below 100°C. A nanocomposite based sensor was fabricated for sensing aqueous ammonia at room temperature. An increase in resistivity on exposure to ammonia at room temperature was observed with a direct relationship between response and ammonia concentration. The PCz-ZrP nanocomposite-based sensor showed a quick and reversible response towards aqueous ammonia Royal Society of Chemistry 2015-06 Article PeerReviewed Baig, Umair and Wani, Waseem A. and Lee, Ting Hun (2015) Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance. New Journal of Chemistry, 39 (9). pp. 6882-6891. ISSN 1144-0546 http://dx.doi.org/10.1039/c5nj01029b DOI:10.1039/c5nj01029b
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Baig, Umair
Wani, Waseem A.
Lee, Ting Hun
Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance
description In this study, we reported the synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate (PCz-ZrP) cation exchange nanocomposite as a new sensing material. Zirconium(IV)phosphate (ZrP) assisted in situ chemical oxidative polymerization of carbazole was used for the synthesis of PCz-ZrP. Field emission scanning electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis and X-ray diffraction analysis were applied to characterize the PCz-ZrP cation exchange nanocomposite. Strong interactions between the inorganic particles (ZrP) and organic polymer (PCz) were observed. Thermogravimetric analysis revealed that the PCz-ZrP nanocomposite had higher thermal stability than pure PCz. Moreover, the composite showed good ion-exchange capacity, electrical conductivity and isothermal stability in terms of DC electrical conductivity retention under ambient conditions below 100°C. A nanocomposite based sensor was fabricated for sensing aqueous ammonia at room temperature. An increase in resistivity on exposure to ammonia at room temperature was observed with a direct relationship between response and ammonia concentration. The PCz-ZrP nanocomposite-based sensor showed a quick and reversible response towards aqueous ammonia
format Article
author Baig, Umair
Wani, Waseem A.
Lee, Ting Hun
author_facet Baig, Umair
Wani, Waseem A.
Lee, Ting Hun
author_sort Baig, Umair
title Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance
title_short Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance
title_full Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance
title_fullStr Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance
title_full_unstemmed Facile synthesis of an electrically conductive polycarbazole-zirconium(IV)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance
title_sort facile synthesis of an electrically conductive polycarbazole-zirconium(iv)phosphate cation exchange nanocomposite and its room temperature ammonia sensing performance
publisher Royal Society of Chemistry
publishDate 2015
url http://eprints.utm.my/id/eprint/55253/
http://dx.doi.org/10.1039/c5nj01029b
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