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US 9,660,194 B2Granted
Copolymer and organic solar cell comprising same
AssigneeLG Chem, Ltd.
InventorsJinseck Kim, Songrim Jang, Jaechol Lee, Hangken Lee, Keun Cho, Jiwon Bang, Jiyoung Lee, Doowhan Choi
Life of this patent
Estimating the term…
Abstract
The present specification provides a copolymer and an organic solar cell including the same.
Claims14
A copolymer comprises a unit represented by the following Formula 4:
- in Formula 4,
- a and b are each an integer of 1 to 3,
- when a is 2 or more, two or more L1's are the same as or different from each other,
- when b is 2 or more, two or more L2's are the same as or different from each other,
- L1 and L2 are the same as or different from each other, and each independently have a conjugated structure,
- R1 and R2 are the same as or different from each other, and are each independently, as a substituent to be substituted in the conjugated structure of L1 and L2, one or two or more selected from the group consisting of hydrogen;
- deuterium;
- a halogen group;
- a nitrile group;
- a nitro group;
- an imide group;
- an amide group;
- a hydroxyl group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted aryloxy group;
- a substituted or unsubstituted alkylthioxy group;
- a substituted or unsubstituted arylthioxy group;
- a substituted or unsubstituted alkylsulfoxy group;
- a substituted or unsubstituted arylsulfoxy group;
- a substituted or unsubstituted alkenyl group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted boron group;
- a substituted or unsubstituted alkylamine group;
- a substituted or unsubstituted aralkylamine group;
- a substituted or unsubstituted arylamine group;
- a substituted or unsubstituted heteroarylamine group;
- a substituted or unsubstituted aryl group;
- and a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms,
- X1 and X2 are the same as or different from each other, and are each independently CRR′, NR, O, SiRR′, PR, S, GeRR′, Se or Te, and
- R, R′ and R3 to R5 are the same as or different from each other, and are each independently hydrogen;
- deuterium;
- a halogen group;
- a nitrile group;
- a nitro group;
- an imide group;
- an amide group;
- a hydroxyl group;
- a substituted or unsubstituted alkyl group;
- a substituted or unsubstituted cycloalkyl group;
- a substituted or unsubstituted alkoxy group;
- a substituted or unsubstituted aryloxy group;
- a substituted or unsubstituted alkylthioxy group;
- a substituted or unsubstituted arylthioxy group;
- a substituted or unsubstituted alkylsulfoxy group;
- a substituted or unsubstituted arylsulfoxy group;
- a substituted or unsubstituted alkenyl group;
- a substituted or unsubstituted silyl group;
- a substituted or unsubstituted boron group;
- a substituted or unsubstituted alkylamine group;
- a substituted or unsubstituted aralkylamine group;
- a substituted or unsubstituted arylamine group;
- a substituted or unsubstituted heteroarylamine group;
- a substituted or unsubstituted aryl group;
- or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms,
- X1′ is the same as or different from X1, and is each independently the same as a definition of X1,
- R3′ is the same as or different from R3, and is each independently the same as a definition of R3,
- l is a molar ratio, and 0<l<1,
- m is a molar ratio, and 0<m<1,
- l+m=1, and
- o is an integer with 0<o<1,000.
59 more elements
Dependencies are inferred from the claim text.