CPC H10K 30/20 (2023.02) [C07D 495/04 (2013.01); C07D 495/10 (2013.01); C07D 495/14 (2013.01); C07D 495/20 (2013.01); C07D 495/22 (2013.01); C07F 7/0816 (2013.01); H10K 71/16 (2023.02); H10K 85/40 (2023.02); H10K 85/626 (2023.02); H10K 85/655 (2023.02); H10K 85/656 (2023.02); H10K 85/657 (2023.02); H10K 85/6576 (2023.02); H10K 30/82 (2023.02); H10K 71/164 (2023.02)] | 24 Claims |
1. A photoactive compound having the formula:
A-D-A,
A-pi-D-A, or
A-pi-D-pi-A,
wherein A is an electron acceptor moiety, wherein pi is a π-bridging moiety, wherein D is an electron donor moiety comprising a central core and one or more planarity disrupting moieties, Z, wherein each Z is bonded to a quaternary carbon center, Q, of the central core to form one or more Q-Z-Z moieties,
wherein the central core has a planar structure, wherein the one or more planarity disrupting moieties, Z, are conformationally locked in a configuration out of plane to the central core, and wherein at least one of the one or more Q-Z-Z moieties comprises
wherein B comprises one or more of the following groups or a heterocyclic analog thereof:
each of which is unsubstituted or substituted with one or more methyl, ethyl or fluoro, or trifluoromethyl groups.
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