摘要 |
A solar cell includes a semiconductor layer which includes a p-type impurity containing layer and an n-type impurity-containing layer; a dielectric layer disposed on one side of the semiconductor layer, wherein the dielectric layer has an isotropically etched portion on the surface thereof; a first electrode electrically connected with the p-type impurity-containing layer in the semiconductor layer; and a second electrode electrically connected with the n-type impurity-containing layer in the semiconductor layer. |