Effect of different copper salts on the electrochemical determination of Cu (II) by the application of the graphene oxide-modified glassy carbon electrode

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dc.contributor.authorIncebay, Hilal
dc.contributor.authorYazicigil, Zafer
dc.date.accessioned2020-03-26T19:35:04Z
dc.date.available2020-03-26T19:35:04Z
dc.date.issued2017
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractIn this study, graphene oxide and reduced graphene oxide nanoparticles were synthesized by Hummers method and characterized Fourier transform infrared spectroscopy, X-ray diffraction spectroscopy, scanning electron microscopy and thermogravimetric analysis. Then, glassy carbon electrode surfaces were modified with synthesized and characterized graphene oxide (GO) and reduced graphene oxide (red-GO) using physical immobilization. Bare and modified surfaces were characterized by cyclic voltammetry, electrochemical impedance spectroscopy and scanning electron microscopy. Application of graphene oxide (GO/GC) and reduced graphene oxide-modified glassy carbon (red-GO/GC) surfaces for the electrochemical determination of copper(II) using different copper salts such as CuSO4 center dot 5H(2)O, Cu(NO3)(2)center dot 3H(2)O and CuCI2 were performed by differential pulse voltammetry. The GO/GC surface was found to be suitable for selective determination of Cu(II) in the solutions containing the mixture of heavy metal ions (Zn(II), Pb(II), Cd(II), Fe(III) and Mn(II)) and showed high stability and reproducibility. The GO/GC surface was treated with CuSO4 center dot 5H(2)O, Cu(NO3)(2)center dot 3H(2)O and CuCI2 salts solution in optimum conditions and afterward SEM images were measured 10 mu m in size and radius of these ions in Cu (II)/GO/GC surfaces. Thus the determination of copper ions on the GO/GC surface was made for the first time by comparing the effect of the types of copper salts. When it was evaluated in terms of inorganic theory, the results were found to be in harmony.en_US
dc.description.sponsorshipSelcuk University Research FoundationSelcuk University [13201024]; Selcuk University Research FoundationSelcuk Universityen_US
dc.description.sponsorshipThis research was supported by Selcuk University Research Foundation under the project number 13201024. We would like to thank Selcuk University Research Foundation for their financial support.en_US
dc.identifier.doi10.1016/j.surfin.2017.09.004en_US
dc.identifier.endpage166en_US
dc.identifier.issn2468-0230en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage160en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.surfin.2017.09.004
dc.identifier.urihttps://hdl.handle.net/20.500.12395/34997
dc.identifier.volume9en_US
dc.identifier.wosWOS:000418617000021en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherELSEVIERen_US
dc.relation.ispartofSURFACES AND INTERFACESen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectCu(II) determinationen_US
dc.subjectGraphene oxideen_US
dc.subjectChemical reductionen_US
dc.subjectMetal sensoren_US
dc.titleEffect of different copper salts on the electrochemical determination of Cu (II) by the application of the graphene oxide-modified glassy carbon electrodeen_US
dc.typeArticleen_US

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