US 12,232,415 B2
Molecular materials based on phenoxyazine core for heterojunction organic solar cells
Kiran Kamtekar, Cambridgeshire (GB)
Assigned to Sumitomo Chemical Co., Ltd., Tokyo (JP)
Appl. No. 17/771,454
Filed by Sumitomo Chemical Co., Ltd., Tokyo (JP)
PCT Filed Oct. 23, 2020, PCT No. PCT/GB2020/052685
§ 371(c)(1), (2) Date Apr. 22, 2022,
PCT Pub. No. WO2021/079140, PCT Pub. Date Apr. 29, 2021.
Claims priority of application No. 19205205 (EP), filed on Oct. 24, 2019; and application No. 2011800 (GB), filed on Jul. 29, 2020.
Prior Publication US 2022/0407015 A1, Dec. 22, 2022
Int. Cl. H10K 30/30 (2023.01); C07D 495/14 (2006.01); H10K 85/60 (2023.01)
CPC H10K 85/657 (2023.02) [C07D 495/14 (2013.01); H10K 85/626 (2023.02); H10K 85/655 (2023.02); H10K 30/30 (2023.02)] 16 Claims
OG exemplary drawing
 
1. A composition comprising an electron acceptor material and an electron donor material wherein the electron acceptor material is a compound of formula (I):
EAG-EDG-EAG  (I)
wherein each EAG is an electron-accepting group and EDG is a group of formula (II):

OG Complex Work Unit Chemistry
wherein:
n is at least 1;
each m is at least 1;
each X, Y and A is independently O, S or Se;
Z, independently in each occurrence if n is greater than 1, is O, S, C—O or NR9 wherein R9 is H or a substituent; and
R1-R8 are each independently selected from H or a substituent.