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Bioelectrocatalysis on Anodized Epitaxial Graphene and Conventional Graphitic Interfaces
Linkoping Univ, Dept Phys Chem & Biol, S-58183 Linkoping, Sweden;Linkoping Univ, Dept Sci & Technol, Lab Organ Elect, S-60174 Norrkoping, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Molecular Biomimetics. Linkoping Univ, Dept Phys Chem & Biol, S-58183 Linkoping, Sweden;Stanford Univ, Dept Chem, Stanford, CA 94305 USA.
Linkoping Univ, Dept Phys Chem & Biol, S-58183 Linkoping, Sweden;Linkoping Univ, Dept Sci & Technol, Lab Organ Elect, S-60174 Norrkoping, Sweden.
Linkoping Univ, Dept Phys Chem & Biol, S-58183 Linkoping, Sweden;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-V C H VERLAG GMBH , 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:uu:diva-392583DOI: 10.1002/celc.201900587ISI: 000477961200030OAI: oai:DiVA.org:uu-392583DiVA, id: diva2:1349511
Note

De två första författarna delar förstaförfattarskapet.

Available from: 2019-09-09 Created: 2019-09-09 Last updated: 2019-09-09Bibliographically approved

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