Photovoltaic cell having structurally supporting open conductive

Details Photovoltaic cell having structurally supporting open conductive Photovoltaic cell having structurally supporting open conductive

1990-02-23

1991-07-23

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136262, 437 2, 437 5, 357 30, 357 65, 357 68, H01L 3106

Patent

active

050340689

ABSTRACT:
A photoresponsive layer formed of a semiconductive material such as gallium arsenide has differently doped strata which define a junction therebetween, and generates a photovoltaic effect in response to light incident on a front surface thereof. A front electrode is formed on the front surface. A structurally supporting back electrode open conductive support or grid structure is formed on a back surface of the photoresponsive layer. The support structure is sufficiently thick, approximately 12 to 125 microns, to prevent breakage of the photoresponsive layer, which may be as thin as approximately 25 to 100 microns. The support structure has a pattern selected to prevent propagation of a crack through the photoresponsive layer thereof.

REFERENCES:
patent: 3988167 (1976-10-01), Kressel et al.
patent: 4171989 (1979-10-01), Pryor
patent: 4416052 (1983-11-01), Stern
patent: 4487989 (1984-12-01), Wakefield et al.

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