Back contacted MIS photovoltaic cell
First Claim
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1. A photovoltaic cell comprising a semiconductor substrate having substantially parallel opposite surfaces, a first surface thereof being substantially free of any shadowing effects and adapted to receive incident radiation, and a second opposite surface thereof having at least one ohmic contact and at least one metal-insulator-semiconductor (MIS) contact.
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Abstract
This photovoltaic cell in a principal embodiment comprises a P-type substrate having an unshadowed first surface adapted to receiving incident radiation and a second surface which contains at least one ohmic contact and at least one metal-insulator-semiconductor contact, this structure thereby forming a back contacted minority carrier MIS cell.
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23 Claims
- 1. A photovoltaic cell comprising a semiconductor substrate having substantially parallel opposite surfaces, a first surface thereof being substantially free of any shadowing effects and adapted to receive incident radiation, and a second opposite surface thereof having at least one ohmic contact and at least one metal-insulator-semiconductor (MIS) contact.
- 10. A photovoltaic cell comprising a semiconductor substrate of a P conductivity type having substantially parallel opposite surfaces, a first surface thereof being substantially free of any shadowing effects and adapted to receive incident radiation, and a second opposite surface thereof having at least one ohmic contact and at least one minority carrier metal-insulator-semiconductor contact.
Specification