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US 12,439,765 B2Granted
Compound, preparation method and use thereof and perovskite solar cell containing same
AssigneeContemporary Amperex Technology (Hong Kong) Limited
InventorsZhihan Huang, Weifeng Liang, Ruoxuan Shi, Bo Xu
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Abstract
The present disclosure provides a compound having a structure of formula (I), where R1 and R2 are defined in the specification. In addition, the present disclosure further provides a preparation method and use of the compound of formula (I), in particular to a perovskite solar cell including the compound of formula (I). This compound as a hole transport material has the advantages in that the use of additives can be avoided, thereby improving the photoelectric conversion efficiency and stability of the cell.
Claims11
A compound having a structure of formula (I),
- wherein R1 is trivalent phenyl, optionally 1,3,4-benzenetriyl;
- R2 is a single bond, C2-C6 conjugated alkenylene or an unsaturated 5-membered or 6-membered ring group containing heteroatoms selected from O, S, or Se;
- and optionally, R2 is single bond vinylidene furylidene thiophenylene or selenophenylene.
Dependencies are inferred from the claim text.