Faceted low absorptance solar cell

Details Faceted low absorptance solar cell Faceted low absorptance solar cell

1981-11-09

1984-01-24

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136256, 357 30, H01L 3106

Patent

active

044278390

ABSTRACT:
A solar cell includes a semiconductor wafer of one conductivity type with a front radiation receiving surface having a plurality of pyramidal apertures therein. The spacing of adjacent apertures is selected to maximize the escape of undesired radiation. A material with a high index of refraction fills the apertures and further enhances radiation escape. The surfaces of the wafer are provided with thin regions of opposite conductivity type. Two sets of electrodes are provided at selected locations on the rear side of the wafer. One set of electrodes contacts the region of opposite conductivity type on the rear side. The other set of electrodes contacts the wafer through openings in the region of opposite conductivity type.

REFERENCES:
patent: 3150999 (1964-09-01), Rudenberg et al.
patent: 4227942 (1980-10-01), Hall
patent: 4348254 (1982-09-01), Lindmayer

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