Internally reflective, dye sensitized, wet-type photocell

Details Internally reflective, dye sensitized, wet-type photocell Internally reflective, dye sensitized, wet-type photocell

1979-10-25

1981-03-10

Weisstuch, Aaron

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to light

H01M 630, H01M 636

Patent

active

042555019

ABSTRACT:
An internally reflective, dye sensitized, wet-type photocell suitably adaptable as a photosensitive element or a solar cell, comprising anodes and cathodes immersed in an electrolyte solution containing a reduction-oxidation agent and dye sensitizers. Each of the anodes is provided with a light inlet end adapted for the introduction of light into the interior thereof, and a surface layer portion of an n-type semiconductive substance so that light introduced through the light inlet end to the interior of the anode is reflected a plurality of times so as to absorb the energy of the light to generate a voltage. Thus, since the dye sensitizing effect is efficiently utilized, the photocell enables the conversion efficiency of photo energy to electric energy to improve sufficiently for practical uses.

REFERENCES:
patent: 2506625 (1950-05-01), Woolley
patent: 3018313 (1962-01-01), Gattone
patent: 3104188 (1963-09-01), Moncrieff-Yeaates
patent: 3989542 (1976-11-01), Clark
J. Nasielski et al., "The Photo-electrochemistry of the Rhodamine B-Hydroquinone _System At Optically Transparent Bubbling Gas Electrodes", Electrochimica _Acta, vol. 23, pp. 605-611, (1978).

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