Method of operating a liquid-semiconductor junction photocell

Details Method of operating a liquid-semiconductor junction photocell Method of operating a liquid-semiconductor junction photocell

1977-02-18

1978-10-03

Mack, John H.

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to light

250211J, H01M 630, H01M 636

Patent

active

041185480

ABSTRACT:
Liquid-semiconductor photocells are described which produce a stable photocurrent output over extended periods of time by controllably removing material from the semiconductor surface in such a manner as to maintain the integrity of the junction characteristics. The removal may be either by photoetching or by chemical reaction with the electrolyte or with agents added to the electrolyte.

REFERENCES:
G. Hodes et al., "Photoelectrochemical Energy Conversion and Storage Using Polycrystalline Chalcogenide Electrodes", Nature, vol. 261, pp. 403-404, (1976).
A. B. Ellis et al., "Visible Light to Electrical Energy Conversion Stable Cds & Cdse Photoelectrodes in Agneons Electrolytes", J.A.C.S. vol. 98, pp. 1635-1637, (1976).

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