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US 2024/0343739 A1Published application
Two dimensional benzo[4,5]imidazo[2,1-a]isoindoleincorporated non-fullerene electron acceptors for organic photovoltaic devices
AssigneeNational Research Council of Canada
InventorsYinghui HE, Jianping LU, Salima ALEM, Ye TAO
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Abstract
The present application provides two dimensional benzo[4,5]imidazo[2,1-a]isoindole incorporated non-fullerene electron acceptors having the structure of Formula I (I), and processes for the synthesis and manufacture thereof. Also provided are semiconductor materials, polymers, oligomers, films and membranes incorporating the non-fullerene acceptor of Formula (I), and the optoelectronic devices made therefrom.
Claims23
A compound of Formula I.
- wherein:
- R1, R2, R3 and R4 are the same or different and each is independently F, H, Cl, Br, I, a substituted or unsubstituted C1-C12-alkyl, a substituted or unsubstituted C1-C12-alkoxy, a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group;
- each R5 is independently a substituted or unsubstituted C1-C30-alkyl group;
- each R6 is independently a substituted or unsubstituted C1-C30-alkyl group;
- each Y is independently C(CN)2 or O;
- A and A′ together with the carbons to which they are attached form an aromatic or heteraromatic ring;
- and
- B and B′ together with the carbons to which they are attached form an aromatic or heteraromatic ring.
5 more elements
Dependencies are inferred from the claim text.