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CuO Nanopetals Based Electrochemical Sensor for Selective Ag+ Measurements
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. Linköping University, The Institute of Technology.
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2012 (English)In: SENSOR LETTERS, ISSN 1546-198X, Vol. 10, no 3-4, 754-759 p.Article in journal (Refereed) Published
Abstract [en]

The electrochemical sensing activity of cupric oxide (CuO) nanopetals was investigated for the detection of silver (I) ions (Ag+). The CuO nanopetals were synthesized on a large area glass substrate by a low-temperature hydrothermal growth process. Structural morphological investigations were carried out using field emission scanning electron microscopy, high resolution transmission electron microscopy, and X-ray diffraction. To check the sensing application of the CuO nanopetals, it was functionalized for selectivity of Ag+. A polymeric membrane with Ag+-selective ionophore was coated on the surface of the CuO nanopetals. CuO nanopetals reveal excellent electrochemical sensing behavior in aqueous solution to selectively detect Ag+. The CuO based sensor exhibits a linear electrochemical response within the concentration range of 1 mu M to 100 mM. The functionalized CuO nanopetal based sensor show stable, fast response and high sensitivity for [Ag+]. This work demonstrates a simple technique for sensitive detection of Ag+ and other biochemical species.

Place, publisher, year, edition, pages
American Scientific Publishers , 2012. Vol. 10, no 3-4, 754-759 p.
Keyword [en]
CuO, Nanopetals, Hydrothermal Method, Ag+-Selective Membrane, Electrochemical Sensor
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-85097DOI: 10.1166/sl.2012.2336ISI: 000309018700011OAI: oai:DiVA.org:liu-85097DiVA: diva2:564570
Available from: 2012-11-02 Created: 2012-11-02 Last updated: 2017-02-23

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Amin, GulAsif, MuhammadElsharif Zainelabdin, AhmedZaman, SiamaNur, OmerWillander, Magnus

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Amin, GulAsif, MuhammadElsharif Zainelabdin, AhmedZaman, SiamaNur, OmerWillander, Magnus
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