Title:
CHARGE-TRANSPORTING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/202868
Kind Code:
A1
Abstract:
Provided is a charge-transporting composition for formation of an electrical charge-transporting thin film for use in a photoelectric conversion element, together with a non-fullerene active layer. The charge-transporting composition comprises: a charge-transporting substance composed of a polythiophene derivative containing a repeating unit represented by formula (1); an electron-accepting dopant substance; and a solvent. The electron-accepting dopant substance includes at least one of an arylsulfonic acid represented by formula (2) and a heteropoly acid. (R1 and R2 are, mutually independently, a hydrogen atom, an alkoxy group, -O-[Z-O]p-Re, a sulphonic acid group, etc. p is an integer of 1 or greater, and Re is a hydrogen atom or an alkyl group, etc. that may be substituted with a sulphonic acid group, or the like.) (A is a naphthalene ring, etc.; B is a divalent through tetravalent perfluorobiphenyl group; l is an integer that satisfies 1 ≤ l ≤ 4; and q is an integer of 2-4.)
Inventors:
YAMAGUCHI SHUN (JP)
SUGAWARA SHUN (JP)
SUGAWARA SHUN (JP)
Application Number:
PCT/JP2022/013373
Publication Date:
September 29, 2022
Filing Date:
March 23, 2022
Export Citation:
Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
H01L51/46; H01L51/42
Domestic Patent References:
| WO2020009138A1 | 2020-01-09 |
Foreign References:
| JP2020516706A | 2020-06-11 | |||
| JP2016003302A | 2016-01-12 | |||
| CN112574623A | 2021-03-30 |
Attorney, Agent or Firm:
PATENT PROFESSIONAL CORPORATION EI-MEI PATENT OFFICE (JP)
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