Photo-electrochemical cell and process of making same

Details Photo-electrochemical cell and process of making same Photo-electrochemical cell and process of making same

1990-02-05

1992-01-28

Langel, Wayne A.

Chemistry: electrical current producing apparatus, product, and

Deferred action type

Responsive to light

H01M 636

Patent

active

050843656

ABSTRACT:
The regenerative photo-electrochemical cell comprises a polycrystalline metal oxide semiconductor layer having a substantially monomolecular chromophore layer in a surface zone. The surface of the metal oxide semiconductor layer has a roughness factor of more than 20, preferably more than 200. Photo-electrochemical cells having such metal oxide semiconductors have good monochromatic efficiency using redox systems with iodides or bromides.

REFERENCES:
patent: H626 (1989-04-01), Covino
P. M. Ibrahim et al., "Preparation of Lead Zirconate by a Sol-Gel Method", Trans. J. Br. Ceram., Soc., 80 (1981), 18-22.

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