	US 11,916,180 B2
	Organic solar cell and photodetector materials and devices
Jaewon Lee, Goleta, CA (US); Soe-Jin Ko, Goleta, CA (US); Jianfei Huang, Goleta, CA (US); Martin Seifrid, Goleta, CA (US); Hengbin Wang, Santa Barbara, CA (US); Thuc-Quyen Nguyen, Santa Barbara, CA (US); and Guillermo C. Bazan, Santa Barbara, CA (US)
Assigned to THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US); and THE MITSUBISHI CHEMICAL CORPORATION, Tokyo (JP)
Filed by The Regents of the University of California, Oakland, CA (US)
Filed on Feb. 14, 2020, as Appl. No. 16/792,000.
Claims priority of provisional application 62/866,797, filed on Jun. 26, 2019.
Claims priority of provisional application 62/806,232, filed on Feb. 15, 2019.
Prior Publication US 2020/0328357 A1, Oct. 15, 2020
Int. Cl. H01L 31/00 (2006.01); C07D 495/04 (2006.01); H01L 51/00 (2006.01); H01L 51/42 (2006.01)

CPC H01L 51/0074 (2013.01) [C07D 495/04 (2013.01); H01L 51/0053 (2013.01); H01L 51/0058 (2013.01); H01L 51/0068 (2013.01); H01L 51/4273 (2013.01)]

18 Claims

1. A composition of matter, comprising:

one or more organic semiconducting molecules having the structure (and isomers thereof):

wherein:

each Ar is independently a substituted or non-substituted aromatic functional group, or each Ar is independently nothing and the valence of its respective thiophene ring is completed with hydrogen;

X is C, Si, Ge, N or P; Y is O, S, Se or N—R₆;

Z is O, S, Se, or N—R₆;

each R, R₂, R₃, R₄, R₅and R₆is independently hydrogen or a substituted or non-substituted alkyl, aryl or alkoxy chain but R₃is different from Z—R₂;

R₄is either a hydrogen or the same as Z—R₂;

R₅is either a hydrogen or the same as R₃; and

A′ is an acceptor moiety.