Solar cell device having improved efficiency

Details Solar cell device having improved efficiency Solar cell device having improved efficiency

1975-03-07

1976-10-26

Mack, John H.

Batteries: thermoelectric and photoelectric

Thermoelectric

Radiation pyrometer

29572, H01L 3104

Patent

active

039881679

ABSTRACT:
A body of semiconductor material in a solar cell device has a means for collecting electron-hole pairs with an incident surface through which solar radiation enters. The collecting means can be a P N junction between two regions of opposite conductivity of the semiconductor body, or a partially transparent metallic film on the semiconductor body providing a metal to semiconductor material surface barrier rectifying junction. On a surface opposite the incident surface of the collecting means is a non-continuous oxide layer. The oxide layer is non-continuous because of openings extending through the oxide layer to the opposite surface. The openings are distributed across the opposite surface. In the openings at the opposite surface and on the oxide layer is a reflecting contact which functions both as an electrical contact and as a reflector to solar radiation in the semiconductor body.

REFERENCES:
patent: 3104188 (1963-09-01), Moncrieff-Yeates
patent: 3331707 (1967-07-01), Werth
patent: 3361594 (1968-01-01), Iles et al.
patent: 3888698 (1975-06-01), Lindmayer et al.
patent: 3907595 (1975-09-01), Lindmayer
W. P. Rahilly "Hardened Solar Cells," Conference Record, 7th Photovoltaic Specialists Conf. (1968).

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