| abstract |
A solar cell comprising a metal oxide is provided. A solar cell according to the present invention includes a semiconductor substrate, a first conductive type region on one side of the semiconductor substrate, a second conductive type region on the other side opposite to the first side of the semiconductor substrate, a first electrode connected to the first conductive type region, And a second electrode connected to the second conductive type region, wherein each of the first conductive type region and the second conductive type region is composed of a metal oxide layer. |