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Selective Thallium (I) Ion Sensor Based on Functionalised ZnO Nanorods
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0001-6235-7038
2012 (English)In: Journal of Nanotechnology, ISSN 1687-9503Article in journal (Refereed) Published
Abstract [en]

Well controlled in length and highly aligned ZnO nanorods were grown on the gold-coated glass substrate by hydrothermal growth method. ZnO nanorods were functionalised with selective thallium (I) ion ionophore dibenzyldiaza-18-crown- 6 (DBzDA18C6). The thallium ion sensor showed wide linear potentiometric response to thallium (I) ion concentrations (1 × 10 - 7 M to 5 × 10 - 2 M) with high sensitivity of 36.87 ± 1.49 mV/decade. Moreover, thallium (I) ion demonstrated fast response time of less than 5 s, high selectivity, reproducibility, storage stability, and negligible response to common interferents. The proposed thallium (I) ion-sensor electrode was also used as an indicator electrode in the potentiometric titration, and it has shown good stoichiometric response for the determination of thallium (I) ion. © 2012 Z. H. Ibupoto et al.

Place, publisher, year, edition, pages
Hindawi Publishing Corporation , 2012.
National Category
Engineering and Technology
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URN: urn:nbn:se:liu:diva-87804DOI: 10.1155/2012/619062OAI: oai:DiVA.org:liu-87804DiVA: diva2:602244
Available from: 2013-01-31 Created: 2013-01-23 Last updated: 2014-09-10

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Ibupoto, Zafar HussainAli, Syed M. UsmanKhun, KimleangWillander, Magnus

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Ibupoto, Zafar HussainAli, Syed M. UsmanKhun, KimleangWillander, Magnus
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