Solar energy conversion in a photoelectrochemical biofuel cell

Michael Hambourger; Gerdenis Kodis; Michael D. Vaughn; Gary F. Moore; Devens Gust; Ana L. Moore; Thomas A. Moore

doi:10.1039/B912170F

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Dalton Transactions

Issue 45, 2009

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Solar energy conversion in a photoelectrochemical biofuel cell

Michael Hambourger , Gerdenis Kodis , Michael D. Vaughn , Gary F. Moore , Devens Gust , Ana L. Moore and Thomas A. Moore

Dalton Trans., 2009, 9979-9989

DOI: 10.1039/B912170F
Received 22 Jun 2009, Accepted 22 Sep 2009
First published on the web 15 Oct 2009
This article is part of the collection: Solar Energy Conversion and Solar energy conversion

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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.

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Michael Hambourger
Gerdenis Kodis
Michael D. Vaughn
Gary F. Moore
Devens Gust
Ana L. Moore
Thomas A. Moore

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Dalton Transactions

Solar energy conversion in a photoelectrochemical biofuel cell

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