H - Electricity – 01 – L
Patent
H - Electricity
01
L
345/22
H01L 31/04 (2006.01) H01L 31/0224 (2006.01) H01L 31/052 (2006.01) H01L 31/068 (2006.01)
Patent
CA 1062799
Inventors: Henry (NMN) Kressel Vikram Lalitchandra Dalal Title : SOLAR CELL DEVICE HAVING IMPROVED EFFICIENCY 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.
246785
Dalal Vikram L.
Kressel Henry
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