Importance

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Abstract

A hybrid solar cell is disclosed, which is capable of preventing a defect from occurring in a surface of a semiconductor wafer when forming a thin-film type semiconductor layer on the semiconductor wafer, to thereby improve cell efficiency by the increase of open-circuit voltage, the hybrid solar cell comprising a semiconductor wafer having a predetermined polarity; a first semiconductor layer on one surface of the semiconductor wafer; a second semiconductor layer on the other surface of the semiconductor wafer, wherein the second semiconductor layer is different in polarity from the first semiconductor layer; a first electrode on the first semiconductor layer; and a second electrode on the second semiconductor layer; wherein the first semiconductor layer comprises a lightly doped first semiconductor layer on one surface of the semiconductor wafer; and a highly doped first semiconductor layer on the lightly doped first semiconductor layer.

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First Claim