Attorney Docket No. 10031 .004211
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`ABSTRACT
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`A bipolar solar cell includes a backside junction formed by an N-type silicon substrate
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`and a P-type polysilicon emitter formed on the backside of the solar cell. An
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`antireflection layer may be formed on a textured front surface of the silicon substrate. A
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`negative polarity metal contact on the front side of the solar cell makes an electrical
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`connection to the substrate, while a positive polarity metal contact on the backside of
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`the solar cell makes an electrical connection to the polysilicon emitter. An external
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`electrical circuit may be connected to the negative and positive metal contacts to be
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`powered by the solar cell. The positive polarity metal contact may form an infrared
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`1O
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`reflecting layer with an underlying dielectric layer for increased solar radiation collection.
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`-16-
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