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Abstract
Single-walled carbon nanotubes (SWCNT) were covalently modified with anthracene and anthraquinone and used for the construction of cathodes for biocatalytic reduction of dioxygen. The nanotubes with aromatic groups casted onto the electrode increased the working surface of the electrode and enabled efficient direct electron transfer (DET) between the enzyme and the electrode. The aryl groups enter the hydrophobic pocket of the T1 center of laccase responsible for exchanging electrons with the substrate. Glassy carbon electrodecovered with arylated SWCNT and coated with a layer of neutralized Nafion containing laccase was found to be a very efficient cathode in the hybrid battery. Zn wire covered with a Nafion film served as theanode. The cell parameters were determined: power density was 2 W/cm2 and the open circuit potential was 1.5 V.
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
BIOELECTROCHEMISTRY
no. 87,
pages 154 - 163,
ISSN: 1567-5394 - Language:
- English
- Publication year:
- 2012
- Bibliographic description:
- Stolarczyk K., Sepełowska M., Łyp D., Żelechowska K., Biernat J., Rogalski J., Farmer K., Roberts K., Bilewicz R.: Hybrid battery based on arylated carbon nanotubes and laccase// BIOELECTROCHEMISTRY. -Vol. 87, (2012), s.154-163
- Verified by:
- Gdańsk University of Technology
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