In this NJC paper, Sophie Tingry and co-workers (Institut Européen des Membranes at Montpellier, France) prepared a carbon nanofibers (CNFs) electrode through electrospinning of a polyacrylonitrile solution and subsequent thermal carbonization treatment.
The CNFs-based electrode was successfully used as support for enzyme (laccase) immobilization and applied to bioelectrocatalytic O2 reduction. Besides its easy handling, the excellent structural stability and surface properties of the CNFs electrode improved the electron transfer rate at the electrode surface and increased the accessible surface area of the electrode, therefore allowing a higher loading of active enzyme.
These nanomaterials are promising candidates as enzymatic cathodes in biofuel cell devices.
“Fabrication of free-standing electrospun carbon nanofibers as efficient electrode materials for bioelectrocatalysis”, Ai-Fu Che, Vincent Germain, Marc Cretin, David Cornu, Christophe Innocent and Sophie Tingry, New J. Chem., 2011, Advance Article, DOI: 10.1039/C1NJ20651F.
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