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Insights into the Electrochemical Behavior of Mercury on Graphene/SiC Electrodes
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering. NASU, Kyiv, Ukraine.ORCID iD: 0000-0002-8685-3332
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-8478-4663
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering.
2019 (English)In: C — Journal of Carbon Research, ISSN 2311-5629, Vol. 5, no 3, article id 51Article in journal (Refereed) Published
Abstract [en]

Fast and real time detection of Mercury (Hg) in aqueous solutions is a great challenge due to its bio-accumulative character and the detrimental effect on human health of this toxic element. Therefore, development of reliable sensing platforms is highly desirable. Current research is aiming at deep understanding of the electrochemical response of epitaxial graphene to Mercury exposure. By performing cyclic voltammetry and chronoamperometry measurements as well as density functional theory calculations, we elucidate the nature of Hg-involved oxidation-reduction reactions at the graphene electrode and shed light on the early stages of Hg electrodeposition. The obtained critical information of Hg behavior will be helpful for the design and processing of novel graphene-based sensors.

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 5, no 3, article id 51
Keywords [en]
graphene; SiC; mercury; voltammetry; chronoamperometry
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Identifiers
URN: urn:nbn:se:liu:diva-161631DOI: 10.3390/c5030051ISI: 000487947700012OAI: oai:DiVA.org:liu-161631DiVA, id: diva2:1367880
Note

Funding Agencies|Swedish Foundation for Strategic research (SSF)Swedish Foundation for Strategic Research [GMT14-0077, RMA15-024]; Angpanneforeningens Forskningsstiftelse [16-541]; [2018-04962]

Available from: 2019-11-05 Created: 2019-11-05 Last updated: 2019-11-12Bibliographically approved

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Vagin, Mikhail

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