Enzyme-based photoelectrochemical biofuel cell

Linda De La Garza, Goojin Jeong, Paul A. Liddell, Tadashi Sotomura, Thomas A Moore, Ana L Moore, John Devens Gust

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

Both dye-sensitized photoelectrochemical solar cells and biofuel cells are promising candidates for production of renewable energy. We have combined these two approaches into a single hybrid cell. The photoanode consists of a nanoparticulate SnO2 electrode coated with a porphyrin sensitizer (S). Key to the operation of the cell is the coupling of the anode photoreactions to the oxidation of biological fuels such as glucose or alcohols by an NAD(P)H/NAD(P)+ redox carrier. Electron donation to the oxidized sensitizer S·+ by NAD(P)H is facile, generating NAD(P)+, which is not reduced by charge recombination reactions at the photoanode. Enzymes oxidize the biological fuel and, in the process, reduce the NAD(P)+ coenzyme back to NAD(P)H. These reactions are coupled to cathodic redox reactions through an ion-permeable membrane in a two-compartment electrochemical cell. Hybrid cells of this general type have several potential advantages over either the photoelectrochemical cell or the biofuel cell operating individually.

Original languageEnglish
Pages (from-to)10252-10260
Number of pages9
JournalJournal of Physical Chemistry B
Volume107
Issue number37
Publication statusPublished - Sep 18 2003

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Biological fuel cells
NAD
enzymes
Enzymes
Coenzymes
Photoelectrochemical cells
Electrochemical cells
Redox reactions
Porphyrins
cells
Glucose
Solar cells
Anodes
Alcohols
Dyes
Membranes
Oxidation
Electrodes
Electrons
Ions

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

De La Garza, L., Jeong, G., Liddell, P. A., Sotomura, T., Moore, T. A., Moore, A. L., & Gust, J. D. (2003). Enzyme-based photoelectrochemical biofuel cell. Journal of Physical Chemistry B, 107(37), 10252-10260.

Enzyme-based photoelectrochemical biofuel cell. / De La Garza, Linda; Jeong, Goojin; Liddell, Paul A.; Sotomura, Tadashi; Moore, Thomas A; Moore, Ana L; Gust, John Devens.

In: Journal of Physical Chemistry B, Vol. 107, No. 37, 18.09.2003, p. 10252-10260.

Research output: Contribution to journalArticle

De La Garza, L, Jeong, G, Liddell, PA, Sotomura, T, Moore, TA, Moore, AL & Gust, JD 2003, 'Enzyme-based photoelectrochemical biofuel cell', Journal of Physical Chemistry B, vol. 107, no. 37, pp. 10252-10260.
De La Garza L, Jeong G, Liddell PA, Sotomura T, Moore TA, Moore AL et al. Enzyme-based photoelectrochemical biofuel cell. Journal of Physical Chemistry B. 2003 Sep 18;107(37):10252-10260.
De La Garza, Linda ; Jeong, Goojin ; Liddell, Paul A. ; Sotomura, Tadashi ; Moore, Thomas A ; Moore, Ana L ; Gust, John Devens. / Enzyme-based photoelectrochemical biofuel cell. In: Journal of Physical Chemistry B. 2003 ; Vol. 107, No. 37. pp. 10252-10260.
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