Patent ID: 11955295
Assignee: KABUSHIKI KAISHA TOSHIBA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 14:
15. The element according to claim 1, wherein
the photoelectric conversion layer includes at least one of a compound expressed by A1BX13 or a compound expressed by A22A1m−1BmX13m+1,
the A1 is a monovalent cation including at least one selected from the group consisting of Cs+, Rb+, K+, Na+, R1NH3+, R12NH2+, and HC(NH2)2+,
the R1 in the A1 is at least one monovalent group selected from the group consisting of hydrogen, a linear alkyl group including not less than 1 and not more than 18 carbon atoms, a branched alkyl group including not less than 1 and not more than 18 carbon atoms, a cyclic alkyl group including not less than 1 and not more than 18 carbon atoms, a substituted aryl group, a non-substituted aryl group, a substituted heteroaryl group, and a non-substituted heteroaryl group,
the A2 is a monovalent cation including at least one selected from the group consisting of R1HN3+, R12NH2+, C(NH2)3+, and R2C2H4NH3+,
the R2 in the A2 is at least one monovalent group selected from the group consisting of a substituted aryl group, a non-substituted aryl group, a substituted heteroaryl group, and a non-substituted heteroaryl group,
the B is a divalent cation including at least one selected from the group consisting of Pb2+ and Sn2+,
the X1 is at least one monovalent negative ion selected from the group consisting of F−, Cl−, Br−, I−, SCN−, and CH3COO−, and
m is an integer not less than 1 and not more than 20.