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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 2/2013

01.02.2013 | Original Paper

Sol–gel synthesis and characterization of conducting polythiophene/tin phosphate nano tetrapod composite cation-exchanger and its application as Hg(II) selective membrane electrode

verfasst von: Anish Khan, Abdullah M. Asiri, Aftab Aslam Parwaz Khan, Malik Abdul Rub, Naved Azum, Mohammed M. Rahman, Sher Bahadar Khan, Khalid A. Alamry, Sulaiman Ab Ghani

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 2/2013

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Abstract

Nano tetrapod based on conducting polythiophene (PTh) and tin-phosphate (SnP) were synthesized by in situ chemical oxidative polymerization. The morphology of the resulting polythiophene tinphosphate composite was characterized by elemental analysis, fourier transform infrared spectroscopy, thermogravimetric analysis, powder X-ray diffraction, scanning electron microscopy and transmission electron microscopy. The physico-chemical characterization carried out on the composite showed that SnP was modified by conducting PTh with an enhancement of various properties. On the basis of highest distribution coefficient values for Hg(II), the composite was also used for the preparation of Hg(II) selective membrane electrode. The electrode showed working concentration range of 1 × 10−1 to 1 × 10−7 with Nernstian slope of 29.29 mV per decade change in concentration and the electrode may be used for wide working pH range of 4–8 having quick response time about 23 s. The life of electrode is 4 months without any notable drift in potential.
Vorheriger Artikel Preparation and characterization of ZrCO/C composite aerogels
Nächster Artikel Coating functional sol–gel films inside horizontally-rotating cylinders by rimming flow/state

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Metadaten
Titel
Sol–gel synthesis and characterization of conducting polythiophene/tin phosphate nano tetrapod composite cation-exchanger and its application as Hg(II) selective membrane electrode
verfasst von
Anish Khan
Abdullah M. Asiri
Aftab Aslam Parwaz Khan
Malik Abdul Rub
Naved Azum
Mohammed M. Rahman
Sher Bahadar Khan
Khalid A. Alamry
Sulaiman Ab Ghani
Publikationsdatum
01.02.2013
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 2/2013
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-012-2920-6

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