SOLAR CELL, LAMINATED BODY, MULTI-JUNCTION SOLAR CELL, SOLAR CELL MODULE, AND SOLAR POWER GENERATION SYSTEM

摘要

A solar cell according to an embodiment includes a first electrode being transparent, a first semiconductor layer on the first electrode, a second semiconductor layer on the first semiconductor layer, and a second electrode being transparent on the second semiconductor layer, wherein grooves exist regularly on a surface of the first semiconductor layer facing a side of the second semiconductor layer.