Photosensitive cell for the decomposition of water

Details Photosensitive cell for the decomposition of water Photosensitive cell for the decomposition of water

1983-06-20

1986-06-17

Lechert, Jr., Stephen J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

204129, 423648R, 429111, C01B 306, C25B 104, B01J 1908

Patent

active

045955689

ABSTRACT:
The invention relates to a photosensitive cell for the decomposition of water of the type formed by an aqueous medium containing a photosensitizer positively charged both in the reduced state and in the oxidized state, an acceptor, an oxygen forming catalyst and a hydrogen forming catalyst.
The cell according to the invention is characterized in that each of the two catalysts is fixed to a different support and in that the support of the oxygen forming catalyst is formed by a first, negative charge carrying colloid while the support of the hydrogen forming catalyst is formed by a second, positive charge carrying colloid.

REFERENCES:
patent: 3800159 (1974-03-01), Lucas
patent: 3924139 (1975-12-01), Hirose et al.
patent: 4011149 (1977-03-01), Nozik
patent: 4090933 (1978-05-01), Nozik
patent: 4367131 (1983-01-01), Gratzell et al.
Fisher, A. 1978, Splitting Water with Sunlight, Popular Science, vol. 212(6):66-68 and 183.
Journal of the American Chemical Society, vol. 103, No. 16, aout 12 1981 American Chemical Society, Gaston Pa. (US) D. Duonghong et al.: "Dynamics of Light-Induced Water Cleavage in Colloidal Systems", pp. 4685-4690.

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