Solar cell with chalcopyrite absorber layer

Details Solar cell with chalcopyrite absorber layer Solar cell with chalcopyrite absorber layer

1995-12-01

1997-05-06

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136264, 427 76, 257184, 438 95, H01L 31072, H01L 310392, H01L 3118

Patent

active

056266880

ABSTRACT:
A substrate-independent manufacturing method for a solar cell with chalcopyrite absorber layer (4, 5) is proposed wherein a desired alkali content is obtained in the finished absorber layer by dosed addition of Na, K, or Li during the manufacturing process. An additional drive-in of alkali ions from a potentially alkali-containing substrate (1) is prevented by providing a diffusion barrier layer (2) between substrate and absorber layer.

REFERENCES:
patent: 4004342 (1977-01-01), Park et al.
patent: 4818357 (1989-04-01), Case et al.
patent: 5137835 (1992-08-01), Karg
patent: 5141564 (1992-08-01), Chen et al.
patent: 5296674 (1994-03-01), Praschek et al.
patent: 5422304 (1995-06-01), Kohiki et al.
patent: 5445847 (1995-08-01), Wada et al.
patent: 5474622 (1995-12-01), Negami et al.
patent: 5506426 (1996-04-01), Kohiki et al.

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