Batteries: thermoelectric and photoelectric – Photoelectric – Cells
Patent
1995-04-25
1997-03-11
Weisstuch, Aaron
Batteries: thermoelectric and photoelectric
Photoelectric
Cells
136244, 136256, 136261, 257463, 257465, 437 2, H01L 3106, H01L 3118
Patent
active
056096941
ABSTRACT:
A solar cell includes a first n.sup.+ type layer formed on the upper surface of a p type silicon substrate, a p type layer formed on the back surface of the substrate and having a dopant impurity concentration higher than that of the substrate, and a second n type layer formed at least on the edge face of the substrate so as to connect the first n type layer and the p type layer. The second n type layer has an impurity concentration lower than that of the first n.sup.+ layer proximate the region in contact with the p type layer.
Sharp Kabushiki Kaisha
Weisstuch Aaron
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