Dye sensitized solar cell having finger electrodes

Details Dye sensitized solar cell having finger electrodes Dye sensitized solar cell having finger electrodes

2006-12-05

2006-12-05

Nguyen, Nam (Department: 1753)

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

C136S256000, C136S252000, C429S111000

Reexamination Certificate

active

07145071

ABSTRACT:
A solar cell comprising at least one electrode having a plurality of fingers. Specifically, an electrode comprising a planar surface and a plurality of fingers extending therefrom is provided. A second electrode is provided. The second electrode comprises a planar surface and may comprise a plurality of fingers which are interdigitated with the fingers of the first electrode. The second electrode provides a catalyst material for the electron transfer to an oxidant during the photovoltaic process. A semiconductor material is disposed between the electrodes. The semiconductor material is saturated with dye and injected with an electrolyte solution. The fingers are arranged to provide a reduced migration path for the oxidant through the electrolyte and for the electrons through the semiconductor material when exposed to incident light.

REFERENCES:
patent: 5482570 (1996-01-01), Saurer et al.
patent: 6376765 (2002-04-01), Wariishi et al.
patent: 6538194 (2003-03-01), Koyanagi et al.
patent: 6580026 (2003-06-01), Koyanagi et al.
patent: 6683244 (2004-01-01), Fujimori et al.
patent: 6852920 (2005-02-01), Sager et al.
patent: 1 237 166 (2002-09-01), None
patent: WO 99/63614 (1999-05-01), None
U.S. Appl. No. 60/390,904, filed Jun. 22, 2002.

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