Solar cell and method of manufacturing the same

摘要

A solar cell is discussed. The solar cell according to an embodiment includes a semiconductor substrate, a first conductivity type region and a second conductivity type region disposed on the same side of the semiconductor substrate, wherein at least one of the first and second conductivity type regions includes a main region and a boundary region disposed at a peripheral portion of the main region, and the boundary region has at least one of a varying doping concentration and a varying doping depth.