Patent ID: 11901474
Assignee: KABUSAIRES KAISHA TOSHIBA
Field: Semiconductors (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A solar cell comprising:
a p-electrode;
an n-electrode;
a p-type light-absorbing layer located between the p-electrode and the n-electrode and mainly containing a cuprous oxide; and
a first n-type layer which is located between the p-type light-absorbing layer and the n-electrode, which mainly contains a compound represented by Gax1M1x2M2x3M3x4M4x5Ox6, the M1 being Hf or/and Zr, the M2 being one or more selected from the group consisting of In, Ti, and Zn, the M3 being Al or/and B, the M4 is one or more selected from the group consisting of Sn, Si, and Ge, the x1, the x2, and when a sum of the x1, the x2, the x3, the x4, and the x5 is 2, the x6 being 3.0 or more and 3.8 or less.