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US 11,535,631 B2Granted
Thiophene end groups of non-fullerene acceptors for electronic and photonic applications
AssigneeThe Hong Kong University of Science and Technology
InventorsHe Yan, Jianquan Zhang
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Abstract
Provided herein are small molecular acceptor compounds containing thiophene end groups, methods for their preparation and intermediates used therein, the use of formulations containing the same as semiconductors in organic electronic devices, especially in organic photovoltaic and organic field-effect transistor devices, and to organic electronic and organic photovoltaic devices made from these formulations.
Claims11
A compound of Formula 1:
- wherein Ar1 is selected from the group consisting of:
- wherein each of R1, R2, R3, and R4 is an alkyl group selected from the group consisting of C2-C40 straight-chain alkyl, C3-C40 branched alkyl, C3-C40 cyclic alkyl, C2-C40 alkyl aryl, and C2-C40 alkyl heteroaryl;
- J is hydrogen or an alkyl group;
- G is hydrogen, F, Cl, or an alkyl group;
- and
- Ar2 is selected from the group consisting of:
3 more elements
Dependencies are inferred from the claim text.