CPC H10K 30/10 (2023.02) [H10K 30/81 (2023.02); H10K 2102/00 (2023.02)] | 12 Claims |
1. A solar cell, comprising:
a first electrode;
a second electrode;
a photoelectric conversion layer located between the first electrode and the second electrode; and
a first electron transport layer located between the first electrode and the photoelectric conversion layer,
wherein at least one selected from the group consisting of the first electrode and the second electrode is translucent,
the photoelectric conversion layer contains a perovskite compound composed of a monovalent cation, a Sn cation, and a halogen anion, and
the first electron transport layer contains a niobium oxide halide, wherein a halogen contained in the niobium oxide halide is F and the molar composition ratio of F/Nb is from 0.012 to 0.796.
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