Electrolytic photodissociation of chemical compounds by iron oxi

Details Electrolytic photodissociation of chemical compounds by iron oxi Electrolytic photodissociation of chemical compounds by iron oxi

1984-05-24

1985-08-06

Weisstuch, Aaron

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to light

204128, 204129, 204DIG3, H01M 636, C25B 100

Patent

active

045336083

ABSTRACT:
Chemical compounds can be dissociated by contacting the same with a p
type semi-conductor photochemical diode having visible light as its sole source of energy. The photochemical diode consists of low cost, readily available materials, specifically polycrystalline iron oxide doped with silicon in the case of the n-type semi-conductor electrode, and polycrystalline iron oxide doped with magnesium in the case of the p-type electrode. So long as the light source has an energy greater than 2.2 electron volts, no added energy source is needed to achieve dissociation.

REFERENCES:
patent: 4094751 (1978-06-01), Nozik
patent: 4437954 (1984-03-01), Sammells et al.
H. Mettee et al, "Solar Induced Water Splitting with p
Heterotype Photochemical Diodes: n-Fe.sub.2 O.sub.3 /p-GaP", Solar Energy Materials, vol. 4, pp. 443-453 (1981).
A. J. Nozik, "Photochemical Diodes", Appl. Phys. Lett., vol. 30, pp. 567-569 (1977).

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