Abstract:
The present invention provides a macromolecular compound by which the short-circuit current density and the photoelectric conversion efficiency are enhanced when the macromolecular compound is used in an organic layer contained in a photovoltaic cell. Specifically, the present invention provides a macromolecular compound having a structural unit represented by Formula (1): wherein Ar1 and Ar2 are the same as or different from each other and represent a trivalent heterocyclic group; X1 represents —O—, —S—, —C(═O)—, —S(═O)—, —SO2—, —Si(R3)(R4)—, —N(R5)—, —B(R6)—, —P(R7)—, or —P(═O)(R8)—; and R51 represents an alkyl group having 6 or more carbon atoms, an alkyloxy group having 6 or more carbon atoms, an alkylthio group having 6 or more carbon atoms, an aryl group having 6 or more carbon atoms, an aryloxy group having 6 or more carbon atoms, an arylthio group having 6 or more carbon atoms, an arylalkyl group having 7 or more carbon atoms, an arylalkyloxy group having 7 or more carbon atoms, an arylalkylthio group having 7 or more carbon atoms, an acyl group having 6 or more carbon atoms, or an acyloxy group having 6 or more carbon atoms.
Abstract:
A polymer compound comprising a constituent unit represented by the formula (1), the formula (2), the formula (3) or the formula (4) can be utilized for producing an organic film solar battery showing high open end voltage: (in the formulae (1) to (4), Ar1 represents a tri-valent aromatic carbocyclic group or a tri-valent aromatic heterocyclic group. Ar2 represents a tetra-valent aromatic carbocyclic group or a tetra-valent aromatic heterocyclic group. Z represents —O—, —S—, —C(C═O)—, —S(═O)—, —SO2—, —Si(R)2—, —N(R)—, —B(R)—, —P(R)— or —P(═O)(R)—. R represents a hydrogen atom, a halogen atom or a mono-valent group.).
Abstract:
The present invention provides a macromolecular compound by which the short-circuit current density and the photoelectric conversion efficiency are enhanced when the macromolecular compound is used in an organic layer contained in a photovoltaic cell. Specifically, the present invention provides a macromolecular compound having a structural unit represented by Formula (1): wherein Ar1 and Ar2 are the same as or different from each other and represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; X1 and X2 are the same as or different from each other and represent —O—, —S—, —C(═O)—, —S(═O)—, —SO2—, —C(R50)(R51)—, —Si (R3)(R4)—, —N(R5)—, —B(R6)—, —P(R7)—, or —P(═O)(R8)—;wherein the macromolecular compound has a light absorbing terminal wavelength of 700 nm or more.
Abstract:
A polymer compound comprising a constituent unit represented by the formula (1), the formula (2), the formula (3) or the formula (4) can be utilized for producing an organic film solar battery showing high open end voltage: (in the formulae (1) to (4), Ar1 represents a tri-valent aromatic carbocyclic group or a tri-valent aromatic heterocyclic group. Ar2 represents a tetra-valent aromatic carbocyclic group or a tetra-valent aromatic heterocyclic group. Z represents —O—, —S—, —C(C═O)—, —S(═O)—, —SO2—, —Si(R)2—, —N(R)—, —B(R)—, —P(R)— or —P(═O)(R)—. R represents a hydrogen atom, a halogen atom or a mono-valent group.).
Abstract:
A polymer compound including a structural unit represented by formula (I) or a structural unit represented by formula (III) and a structural unit represented by formula (II) has high photoelectric conversion efficiency when used in an organic photoelectric conversion device. wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; two Ar1s may be the same or different; two Ar2s may be the same or different; and two Z's may be the same or different. -D- (II) wherein D represents an arylene group or a heteroarylene group having a fused ring, provided that a divalent heterocyclic group represented by Y is different from a group represented by D.
Abstract:
A polymer compound including a structural unit represented by formula (I) or a structural unit represented by formula (III) and a structural unit represented by formula (II) has high photoelectric conversion efficiency when used in an organic photoelectric conversion device. wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; wherein Ar1 and Ar2 are the same or different and represent trivalent heterocyclic group; Z represents a divalent group; Y represents a divalent heterocyclic group; two Ar1s may be the same or different; two Ar2s may be the same or different; and two Z's may be the same or different. -D- (II) wherein D represents an arylene group or a heteroarylene group having a fused ring, provided that a divalent heterocyclic group represented by Y is different from a group represented by D.
Abstract:
The present invention provides a photovoltaic cell having a large short-circuit current density and a large photoelectric conversion efficiency.This photovoltaic cell comprises: a first electrode; a second electrode; and an active layer between the first electrode and the second electrode; wherein the active layer contains a compound having a structural unit represented by Formula (1): wherein Ar1 and Ar2 are the same as or different from each other and represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group, with at least one of Ar1 and Ar2 being a trivalent heterocyclic group; X1 and X2 are the same as or different from each other and represent —O—, —S—, —C(═O)—, —S(═O)—, —SO2—, —C(R50)(R51)—, —Si(R3)(R4)—, —N(R5)—, —B(R6)—, —P(R7)—, or —P(═O)(R8)—; R50, R51, R3, R4, R5, R6, R7, and R8 are the same as or different from each other and represent a hydrogen atom, a halogen atom, or a monovalent organic group; and X1 and Ar2 are bonded with atoms adjacent to each other on a ring that constitutes Ar1, and X2 and Ar1 are bonded with atoms adjacent to each other on a ring that constitutes Ar2.
Abstract:
An object of the present invention is to provide a polymer compound providing high charge mobility. The polymer compound of the present invention has a repeating unit represented by the formula (1): wherein Ar1 and Ar2 are each an aromatic hydrocarbon ring, a heterocycle, or a fused ring of an aromatic hydrocarbon ring and a heterocycle; and R1, R2, R3 and R4 each represent a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, a substituted silyl group, an unsubstituted or substituted carboxyl group, a monovalent heterocyclic group, a cyano group or a fluorine atom.
Abstract:
An object of the present invention is to provide a polymer compound providing high charge mobility. The polymer compound of the present invention has a repeating unit represented by the formula (1): wherein Ar1 and Ar2 are each an aromatic hydrocarbon ring, a heterocycle, or a fused ring of an aromatic hydrocarbon ring and a heterocycle; and R1, R2, R3 and R4 each represent a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, a substituted silyl group, an unsubstituted or substituted carboxyl group, a monovalent heterocyclic group, a cyano group or a fluorine atom.
Abstract:
A photoelectric conversion device that contains a polymer compound having a structural unit represented by formula (1) having high photoelectric conversion efficiency: wherein, X1 and X2 are the same or different and represent a nitrogen atom or ═CH—; Y1 represents a sulfur atom, an oxygen atom, a selenium atom, —N(R1)— or —CR2═CR3—; R1, R2 and R3 are the same or different and represent a hydrogen atom or a substituent; W1 represents a cyano group, a monovalent organic group having a fluorine atom or a halogen atom; W2 represents a cyano group, a monovalent organic group having a fluorine atom, a halogen atom or a hydrogen atom.