US 11,957,048 B2
Key materials for organic photovoltaics reliability
Stephen R. Forrest, Ann Arbor, MI (US); and Yongxi Li, Ann Arbor, MI (US)
Assigned to The Regents of the University of Michigan
Filed by The Regents of the University of Michigan, Ann Arbor, MI (US)
Filed on Feb. 2, 2023, as Appl. No. 18/163,528.
Application 18/163,528 is a continuation of application No. 17/515,690, filed on Nov. 1, 2021, granted, now 11,594,686.
Claims priority of provisional application 63/109,459, filed on Nov. 4, 2020.
Prior Publication US 2023/0180602 A1, Jun. 8, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 85/60 (2023.01); H10K 30/81 (2023.01)
CPC H10K 85/657 (2023.02) [H10K 30/81 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A compound having a structure represented by one of the Formulae (I)-(VI):

OG Complex Work Unit Chemistry
wherein:
A and B are individually selected from the group consisting of:

OG Complex Work Unit Chemistry
each Ar1 is individually selected from the group consisting of:

OG Complex Work Unit Chemistry
each Ar2 is individually selected from the group consisting of:

OG Complex Work Unit Chemistry
each Ar3 is individually selected from the group consisting of:

OG Complex Work Unit Chemistry
each Ar4 is individually selected from the group consisting of:

OG Complex Work Unit Chemistry
M1-M4 are individually selected from the group consisting of hydrogen, fluorine, chlorine, bromine, iodine, astatine, and a cyano group, wherein at least one of M1-M4 is a halogen;
each X is individually selected from the group consisting of S, NR, Se, Te, and O;
each R is individually a C1-C20 hydrocarbon or an aromatic hydrocarbon;
each Y is individually selected from the group consisting of:

OG Complex Work Unit Chemistry
each m is an integer from 0 to 10; and
each n is an integer from 0 to 10.