Solar cell and a production method therefor

Details Solar cell and a production method therefor Solar cell and a production method therefor

1989-11-15

1991-03-05

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136262, 357 30, 437 2, 437 5, H01L 31078, H01L 3118

Patent

active

049974912

ABSTRACT:
A solar cell includes a first conductivity type semiconductor substrate having two opposed surfaces, a second conductivity type first semiconductor layer disposed in the substrate at the first surface of the semiconductor substrate, a second conductivity type second semiconductor layer deposited on the first surface of the semiconductor substrate except for the first semiconductor layer production region, producing a pn junction with the semiconductor substrate having no reverse direction voltage blocking capability, a first conductivity type third semiconductor layer deposited on the second semiconductor layer, a first electrode covering the first semiconductor layer and connecting the third semiconductor layer with the first semiconductor layer, and a second electrode disposed at a second surface of the semiconductor substrate.

REFERENCES:
patent: 4323719 (1982-04-01), Green
patent: 4481378 (1984-11-01), Lesk
patent: 4846896 (1989-07-01), Hokuyo
patent: 4933022 (1990-06-01), Swanson
patent: 4935067 (1990-06-01), Sato et al.

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