# US 11,993,676 B2 · Non-fullerene acceptor polymer

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- Number: US 11,993,676 B2
- Document ID: US11993676B2
- Status: Granted
- Kind: B2
- Application number: 17/698,771
- Filed: 2022-03-18
- Published: 2022-12-01
- Granted: 2024-05-28
- Earliest claimed: 2021-05-14
- Assignees: National Tsing Hua University
- Applicants: National Tsing Hua University
- Inventors: Ho-Hsiu Chou; Mohamed Hammad Elsayed; Chih-Wei Juan; Tse-Fu Huang
- Web page: https://patentgrep.com/patent/US11993676B2

## CPC

- C08G 61/126: {with a five-membered ring containing one sulfur atom in the ring}
- C08G 61/124: {with a five-membered ring containing one nitrogen atom in the ring}
- C08L 65/00: Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain (C08L7/00 - C08L57/00, C08L61/00 take precedence); Compositions of derivatives of such polymers
- C09D 165/00: Coating compositions based on macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain (C09D107/00 - C09D157/00, C09D161/00 take precedence); Coating compositions based on derivatives of such polymers
- H10K 85/113: {Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene}
- C08G 2261/1412: Saturated aliphatic units
- C08G 2261/143: Side-chains containing nitrogen
- C08G 2261/146: Side-chains containing halogens
- C08G 2261/148: Side-chains having aromatic units
- C08G 2261/312: Non-condensed aromatic systems, e.g. benzene
- C08G 2261/314: Condensed aromatic systems, e.g. perylene, anthracene or pyrene
- C08G 2261/3223: containing one or more sulfur atoms as the only heteroatom, e.g. thiophene
- C08G 2261/3241: containing one or more nitrogen atoms as the only heteroatom, e.g. carbazole
- C08G 2261/3243: containing one or more sulfur atoms as the only heteroatom, e.g. benzothiophene
- C08G 2261/3246: containing nitrogen and sulfur as heteroatoms
- C08G 2261/334: containing heteroatoms
- C08G 2261/342: containing only carbon atoms
- C08G 2261/344: containing heteroatoms
- C08G 2261/411: Suzuki reactions
- C08G 2261/414: Stille reactions
- C08G 2261/91: Photovoltaic applications
- H10K 30/30: comprising bulk heterojunctions, e.g. interpenetrating networks of donor and acceptor material domains
- Y02E 10/549: Organic PV cells
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A non-fullerene acceptor polymer includes a structure represented by formula (I). Formula (I) is defined as in the specification. The non-fullerene acceptor polymer has an electron donating unit and an electron attracting end group. The non-fullerene acceptor polymer uses phenyl or its derivatives as the linker to form the polymer.

## Claims

### Claim 1

A non-fullerene acceptor polymer comprising a structure represented by formula (I):
wherein A is an electron donating unit, D1 and D2 are an electron attracting end group, respectively, R1 is 2,3,5,6-tetrafluoro-1,4-phenylene group, and n is an integer,
wherein in the formula (I), A is a structure represented by formula (A-1) or formula (A-2):

### Claim 2 (depends on 1)

The non-fullerene acceptor polymer of claim 1, wherein the non-fullerene acceptor polymer uses R1 as linkers to form a polymer.

### Claim 3 (depends on 1)

The non-fullerene acceptor polymer of claim 1, wherein in the formula (I), D1 and D2 are the same or different from each other.

### Claim 4 (depends on 1)

The non-fullerene acceptor polymer of claim 1, wherein the non-fullerene acceptor polymer is prepared by a non-fullerene acceptor compound which comprises a structure represented by formula (II):
wherein X is a halogen or a functional group capable of polymer polymerization.

### Claim 5 (depends on 4)

The non-fullerene acceptor polymer of claim 4, wherein in the formula (II), X is F, Cl, Br, I, boric acid pinacol ester, boric acid or organotin compound.

### Claim 6 (depends on 1)

The non-fullerene acceptor polymer of claim 1, wherein in the formula (I), D1 and D2 are a structure represented by formula (D-1), respectively: