摘要 |
A solar cell includes; a substrate; a first electrode disposed on the substrate, and including a first groove formed therein, a semiconductor layer disposed on the first electrode, and including a second groove formed therein, and a second electrode disposed on the semiconductor layer and connected to the first electrode via the second groove, wherein a third groove passing through the first electrode, the semiconductor layer, and the second electrode is formed in a first region, a fourth groove passing through only the semiconductor layer and the second electrode is formed in a second region, and the first region and the second region are alternately disposed along a direction of extension of the third groove.
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