A CdS catalyzed photosynthetic photoelectrochemical cell

A photosynthetic photoelectrochemical cell has been developed ([18] Gross, Youngman and Winemiller, Photochem. Photobiol. 28, 249-256, 1978) using a semiconductor, CdS, as a photocatalyst to generate electricity directly from solar energy. The photopotential generated was the sum of two photochemica...

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Bibliographic Details
Published in:Electrochimica acta 1982, Vol.27 (9), p.1219-1226
Main Authors: Fan, I-JI, Pan, R.L., Gross, E.L.
Format: Article
Language:English
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Summary:A photosynthetic photoelectrochemical cell has been developed ([18] Gross, Youngman and Winemiller, Photochem. Photobiol. 28, 249-256, 1978) using a semiconductor, CdS, as a photocatalyst to generate electricity directly from solar energy. The photopotential generated was the sum of two photochemical reactions; ie the photosynthetic reaction and a CdS catalyzed heterogeneous photochemical reaction. Both biological components and CdS undergo photoinduced charge separation which results in a photochemical potential for the development of electricity. Various features of this photoelectrochemical cell were under investigation. The maximum power conversion efficiency of 0.15% was obtained under light intensity of 90 W m −2. Several light-dark cycles were observed which implies that this cell can store energy in the form of chemical potential. A model mechanism of this photosynthetic photoelectrochemical cell was proposed.
ISSN:0013-4686
1873-3859
DOI:10.1016/0013-4686(82)80138-2