US 12,239,007 B2
Polymer, organic solar cell comprising polymer, perovskite solar cell comprising polymer
Soo Young Park, Seoul (KR); Won Sik Yoon, Seoul (KR); Dong Won Kim, Gyeongsangnam-do (KR); and Jun Mo Park, Seoul (KR)
Assigned to SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul (KR)
Filed by SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul (KR)
Filed on Aug. 16, 2022, as Appl. No. 17/888,530.
Application 17/888,530 is a division of application No. 17/203,813, filed on Mar. 17, 2021.
Application 17/203,813 is a division of application No. 16/492,655, granted, now 11,387,413, issued on Jul. 12, 2022, previously published as PCT/KR2018/002820, filed on Mar. 9, 2018.
Claims priority of application No. 10-2017-0033259 (KR), filed on Mar. 16, 2017; application No. 10-2018-0019512 (KR), filed on Feb. 19, 2018; and application No. 10-2018-0027796 (KR), filed on Mar. 9, 2018.
Prior Publication US 2023/0006141 A1, Jan. 5, 2023
Int. Cl. H10K 85/10 (2023.01); C08G 61/12 (2006.01); H01G 9/20 (2006.01); H10K 30/10 (2023.01); H10K 30/30 (2023.01); H10K 30/82 (2023.01)
CPC H10K 85/113 (2023.02) [C08G 61/126 (2013.01); H10K 85/151 (2023.02); C08G 2261/12 (2013.01); C08G 2261/1412 (2013.01); C08G 2261/3223 (2013.01); C08G 2261/3241 (2013.01); C08G 2261/91 (2013.01); H01G 9/2027 (2013.01); H01G 9/2031 (2013.01); H01G 9/204 (2013.01); H10K 30/10 (2023.02); H10K 30/30 (2023.02); H10K 30/82 (2023.02)] 9 Claims
OG exemplary drawing
 
1. An organic solar cell comprising:
a first electrode and a second electrode disposed facing each other; and
a photo-active layer disposed between the first electrode and the second electrode,
wherein the photo-active layer comprises a polymer represented by Structural Formula 2:

OG Complex Work Unit Chemistry
wherein in Structural Formula 2,
X5, X6, X7 and X8 are each independently O, S, Se, NH, or NR″,
R5 and R6 are each independently an alkyl group having 1 to 50 carbon atoms, an aryl group having 6 to 50 carbon atoms, or —(CH2CH2O)mCH3,
A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15, and A16 are each independently H, F, Cl, CN, —COOR″, —OR″, an alkyl group having 1 to 50 carbon atoms, or an aryl group having 6 to 50 carbon atoms,
R″ is each independently an alkyl group having 1 to 50 carbon atoms, an aryl group having 6 to 50 carbon atoms, or —(CH2CH2O)mCH3,
m is an integer ranging from 1 to 20, and
n is an integer ranging from 1 to 1000,
wherein lamellar stacking of the polymer for the photo-active layer has both edge-on orientation and face-on orientation, and
wherein the polymer for the photo-active layer of an organic solar cell has a crystalline coherence length in a range of 19.5 Å to 22.0 Å.