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DC electrical conductivity and rate of ammonia vapour-sensing performance of synthetic polypyrrole–zirconium(IV) phosphate cation exchange nanocomposite

DC electrical conductivity and rate of ammonia vapour-sensing performance of synthetic... Electrically conductive polypyrrole–zirconium(IV) phosphate (PPy–ZrP) cation exchange nanocomposites have been synthesized for the first time by in situ chemical oxidative polymerization of pyrrole in the presence of zirconium(IV) phosphate (ZrP). Fourier Transform Infra-red spectroscopy (FTIR), field emission scanning electron microscopy, transmission electron microscopy, X–ray diffraction, thermogravimetric analysis, differential thermal analysis, derivative thermogravimetry and elemental analysis were used to characterize PPy–ZrP cation exchange nanocomposite. The composite showed good ion-exchange capacity (1.60 meq g−1), DC electrical conductivity (0.33 S cm−1) and isothermal stability in terms of DC electrical conductivity retention under ambient condition up to 100 °C. PPy–ZrP cation exchangenanocomposite-based sensor was fabricated for the detection of ammonia vapours of aqueous ammonia. The resistivity of the nanocomposites increases on exposure to high-concentration ammonia vapours at room temperature (25 °C). The rate of reaction for ammonia vapour-sensing on PPy–ZrP was observed as second order. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Industrial Chemistry Springer Journals

DC electrical conductivity and rate of ammonia vapour-sensing performance of synthetic polypyrrole–zirconium(IV) phosphate cation exchange nanocomposite

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Publisher
Springer Journals
Copyright
Copyright © 2017 by The Author(s)
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Polymer Sciences; Nanochemistry; Environmental Chemistry
ISSN
2228-5970
eISSN
2228-5547
DOI
10.1007/s40090-017-0118-z
Publisher site
See Article on Publisher Site

Abstract

Electrically conductive polypyrrole–zirconium(IV) phosphate (PPy–ZrP) cation exchange nanocomposites have been synthesized for the first time by in situ chemical oxidative polymerization of pyrrole in the presence of zirconium(IV) phosphate (ZrP). Fourier Transform Infra-red spectroscopy (FTIR), field emission scanning electron microscopy, transmission electron microscopy, X–ray diffraction, thermogravimetric analysis, differential thermal analysis, derivative thermogravimetry and elemental analysis were used to characterize PPy–ZrP cation exchange nanocomposite. The composite showed good ion-exchange capacity (1.60 meq g−1), DC electrical conductivity (0.33 S cm−1) and isothermal stability in terms of DC electrical conductivity retention under ambient condition up to 100 °C. PPy–ZrP cation exchangenanocomposite-based sensor was fabricated for the detection of ammonia vapours of aqueous ammonia. The resistivity of the nanocomposites increases on exposure to high-concentration ammonia vapours at room temperature (25 °C). The rate of reaction for ammonia vapour-sensing on PPy–ZrP was observed as second order.

Journal

International Journal of Industrial ChemistrySpringer Journals

Published: Mar 30, 2017

References