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Bioelectrocatalysis on Anodized Epitaxial Graphene and Conventional Graphitic Interfaces
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering. Linköping University, Department of Physics, Chemistry and Biology.ORCID iD: 0000-0001-8478-4663
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, Faculty of Science & Engineering. Stanford Univ, CA 94305 USA; Uppsala Univ, Sweden.
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering. Linköping University, Department of Physics, Chemistry and Biology.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering. Graphens AB, Teknikringen 1F, SE-58330 Linkoping, Sweden.
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2019 (English)In: CHEMELECTROCHEM, ISSN 2196-0216, Vol. 6, no 14, p. 3791-3796Article in journal (Refereed) Published
Abstract [en]

Graphitic materials exhibit significant anisotropy due to the difference in conductivity in a single layer and between adjacent layers. This anisotropy is manifested on epitaxial graphene (EG), which can be manipulated on the nanoscale in order to provide tailor-made properties. Insertion of defects into the EG lattice was utilized here for controllable surface modification with a model biocatalyst and the properties were quantified by both electrochemical and optical methods. A comparative evaluation of the electrode reaction kinetics on the enzyme-modified 2D material vs conventional carbon electrode materials revealed a significant enhancement of mediated bioelectrocatalysis at the nanoscale.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2019. Vol. 6, no 14, p. 3791-3796
Keywords [en]
epitaxial graphene; laccase; bioelectrocatalysis; voltammetry; graphitic materials
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-159728DOI: 10.1002/celc.201900587ISI: 000477961200030Scopus ID: 2-s2.0-85069976258OAI: oai:DiVA.org:liu-159728DiVA, id: diva2:1343846
Available from: 2019-08-19 Created: 2019-08-19 Last updated: 2019-12-11Bibliographically approved

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The full text will be freely available from 2020-07-01 15:20
Available from 2020-07-01 15:20

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Vagin, MikhailSekretareva, AlinaHåkansson, AnnaIakimov, TihomirIvanov, Ivan GueorguievSyväjärvi, MikaelYakimova, RositsaLundström, IngemarEriksson, Mats
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Laboratory of Organic ElectronicsFaculty of Science & EngineeringDepartment of Physics, Chemistry and BiologySemiconductor MaterialsSensor and Actuator Systems
Materials Chemistry

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