Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to light
Patent
1983-03-28
1985-06-25
Weisstuch, Aaron
Chemistry: electrical current producing apparatus, product, and
Deferred action type
Responsive to light
204266, 204275, 204263, 204278, 204129, H01M 636
Patent
active
045254362
ABSTRACT:
First and second semiconductor photoelectric conversion structures, each having a PIN junction, are assembled as a unitary structure with a redox reaction chamber. Heavily doped N and P type semiconductor layers of the first and second semiconductor photoelectric conversion layers, respectively, are held in contact with first and second aqueous solutions contained in first and second cells of the redox reaction chamber. By interconnecting first and second electrodes connected to the P and N type semiconductor layers, respectively, of the first and second semiconductor photoelectric conversion structures, H.sub.2 and O.sub.2 gases are released from the first and second cells, respectively. Alternatively, electrical leads may be connected to the above N and P layers whereby the unitary structure may be employed as a source of electrical energy.
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patent: 4388482 (1983-06-01), Hamakawa et al.
R. Williams, "Schottky Barriers At The Interface Between Amorphous Silicon and Electrolytes", J. Appl. Phys., vol. 50, pp. 2848-2851, (1979).
M. S. Wrighton, "Photochemistry", Chemical & Eng. News, Sep. 3, 1979, p. 37.
A. J. Nozik, "Photochemical Diodes", Appl. Phys. Lett., vol. 30, pp. 567-569, (1977).
J. Manassen et al., "Electrochemical, Solid State, Photochemical & Technological Aspects of Photoelectrochemical Energy Converters", Nature, vol. 263, pp. 97-100, (1976).
Semiconductor Energy Laboratory Co,. Ltd.
Weisstuch Aaron
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