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Issue 45, 2009
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Solar energy conversion in a photoelectrochemical biofuel cell

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Abstract

A photoelectrochemical biofuel cell has been developed which incorporates aspects of both an enzymatic biofuel cell and a dye-sensitized solar cell. Photon absorption at a porphyrin-sensitized n-type semiconductor electrode gives rise to a charge-separated state. Electrons and holes are shuttled to appropriate cathodic and anodic catalysts, respectively, allowing the production of electricity, or a reduced fuel, via the photochemical oxidation of a biomass-derived substrate. The operation of this device is reviewed. The use of alternate anodic redox mediators provides insight regarding loss mechanisms in the device. Design strategies for enhanced performance are discussed.

Graphical abstract: Solar energy conversion in a photoelectrochemical biofuel cell

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Publication details

The article was received on 22 Jun 2009, accepted on 22 Sep 2009 and first published on 15 Oct 2009


Article type: Perspective
DOI: 10.1039/B912170F
Citation: Dalton Trans., 2009,0, 9979-9989
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    Solar energy conversion in a photoelectrochemical biofuel cell

    M. Hambourger, G. Kodis, M. D. Vaughn, G. F. Moore, D. Gust, A. L. Moore and T. A. Moore, Dalton Trans., 2009, 0, 9979
    DOI: 10.1039/B912170F

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