SOLAR CELL, MULTIJUNCTION SOLAR CELL, SOLAR CELL MODULE AND SOLAR POWER GENERATION SYSTEM

摘要

A solar cell of an embodiment includes a first electrode, a light absorption layer, an n-type layer, and a second electrode. The light absorption layer exists between the first electrode and the n-type layer. The n-type layer exists between the light absorption layer and the second electrode. The light absorption layer contains Cu₂O. The n-type layer contains a sulfide.