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Transparent, mediat...
Transparent, mediator- and membrane-free enzymatic fuel cell based on nanostructured chemically modified indium tin oxide electrodes
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- Gonzalez-Arribas, Elena (author)
- Malmö högskola,Institutionen för biomedicinsk vetenskap (BMV),Biofilms Research Center for Biointerfaces
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- Bobrowski, Tim (author)
- Analytical Chemistry - Center for Electrochemical Sciences (CES), Ruhr-Universität Bochum, D-44780 Bochum, Germany
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- Di Bari, Chiara (author)
- Instituto de Catálisis y Petroleoquímica, CSIC, C/Marie Curie 2, L10, 28049 Madrid, Spain
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- Sliozberg, Kirill (author)
- Analytical Chemistry - Center for Electrochemical Sciences (CES), Ruhr-Universität Bochum, D-44780 Bochum, Germany
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- Ludwig, Roland (author)
- Department of Food Science and Technology, BOKU-University of Natural Resources and Life Sciences, Muthgasse 18, 1190 Vienna, Austria
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- Toscano, Miguel D. (author)
- Novozymes A/S, Krogshoejvej 36, 2880 Bagsværd, Denmark
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- De Lacey, Antonio L. (author)
- Instituto de Catálisis y Petroleoquímica, CSIC, C/Marie Curie 2, L10, 28049 Madrid, Spain
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- Pita, Marcos (author)
- Instituto de Catálisis y Petroleoquímica, CSIC, C/Marie Curie 2, L10, 28049 Madrid, Spain
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- Schuhmann, Wolfgang (author)
- Analytical Chemistry - Center for Electrochemical Sciences (CES), Ruhr-Universität Bochum, D-44780 Bochum, Germany
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- Shleev, Sergey (author)
- Malmö högskola,Institutionen för biomedicinsk vetenskap (BMV),Biofilms Research Center for Biointerfaces,A.N. Bach Institute of Biochemistry, 119071 Moscow, Russia; Kurchatov NBIC Centre, National Research Centre "Kurchatov Institute", 123182 Moscow, Russia
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(creator_code:org_t)
- Elsevier, 2017
- 2017
- English.
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In: Biosensors & bioelectronics. - : Elsevier. - 0956-5663 .- 1873-4235. ; 97, s. 46-52
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We detail a mediator- and membrane-free enzymatic glucose/oxygen biofuel cell based on transparent and nanostructured conducting supports. Chemically modified indium tin oxide nanoparticle modified electrodes were used to substantially increase the active surface area without significantly compromising transparency. Two different procedures for surface nanostructuring were employed, viz. spray-coating and drop-coating. The spray-coated biodevice showed superior characteristics as compared to the drop-coated enzymatic fuel cell, as a result of the higher nanostructured surface area as confirmed by electrochemical characterisation, as well as scanning electron and atomic force microscopy. Subsequent chemical modification with silanes, followed by the immobilisation of either cellobiose dehydrogenase from Corynascus thermophiles or bilirubin oxidase from Myrothecium verrucaria, were performed to obtain the bioanodes and biocathodes, respectively. The optimised biodevice exhibited an OCV of 0.67 V and power output of up to 1.4 mu W/cm(2) at an operating voltage of 0.35 V. This is considered a significant step forward in the field of glucose/oxygen membrane- and mediator-free, transparent enzymatic fuel cells.
Keyword
- Indium tin oxide
- Nanoparticle
- Membrane-free
- Mediator-free
- Transparent enzymatic fuel cell
Publication and Content Type
- ref (subject category)
- art (subject category)
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