Abstract: A copolymer having two or more repeating units selected from the group consisting of arylene groups, divalent heterocyclic groups and divalent aromatic amine groups wherein the copolymer has, on at least one of molecular chain ends, a monovalent heterocyclic group, a monovalent group derived from a heterocyclic group coordinated metal complex, and an aromatic end group selected from aryl groups having a formula weight of 90 or more, and the copolymer shows fluorescence in the solid state and has a polystyrene-reduced weight-average molecular weight of 103 to 108.

Abstract: A polymer compound containing a structure of the following formula (B): —Ar—??(A) (wherein, Ar represents an arylene group, divalent heterocyclic group, divalent aromatic amine group or divalent group having a metal complex structure.) (wherein, A ring and B ring represent each independently an aromatic ring optionally having a substituent. X1 represents —C(?O)—, —S(?O)—, —S(?O)2—, —P(?O)(R1)—, —C(R1)(R2)—, —C(R2)(R2)—, —B(R1)—, —N(R1)— or —Si(R1)(R1)—. R* represents a hydrogen atom or monovalent or divalent group, R1 represents a hydrogen atom or monovalent group, and R2 represents a monovalent group having a hetero atom. When R1 and R2 are present each in plural number, they may be the same or different.).

Abstract: A polymer compound containing a structure of the following formula (B): —Ar—??(A) (wherein, Ar represents an arylene group, divalent heterocyclic group, divalent aromatic amine group or divalent group having a metal complex structure.) (wherein, A ring and B ring represent each independently an aromatic ring optionally having a substituent. X1 represents —C(?O)—, —S(?O)—, —S(?O)2—, —P(?O)(R1)—, —C(R1)(R2)—, —C(R2)(R2)—, —B(R1)—, —N(R1)— or —Si(R1)(R1)—. R* represents a hydrogen atom or monovalent or divalent group, R1 represents a hydrogen atom or monovalent group, and R2 represents a monovalent group having a hetero atom. When R1 and R2 are present each in plural number, they may be the same or different).

Abstract: A polymer compound comprising a repeating unit of the following formula (1) and having a polystyrene-reduced number average molecular weight of 1×103 to 1×108: [wherein, Ar1 and Ar2 represent an arylene group, divalent heterocyclic group or divalent aromatic amine group. Z1 represents —CR1?CR2— or —C?C—. Here, R1 and R2 represent a hydrogen atom, alkyl group, aryl group or the like. m and n represent 1 or 2. Rs and Rt represent a hydrogen atom, alkyl group or alkoxy group.].

Abstract: A polymer compound comprising a repeating unit of below formula (1) or (2), and having a polystyrene reduced number average molecular weight of 103 to 108, (wherein, Ar1 and Ar2 each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. X1 and X2 each independently represent O, S, C(?O), S(?O), SO2, C(R1)(R2), Si(R3)(R4), N(R5), B(R6), P(R7) or P(?O)(R8). X1 and X2 are not the same. X1 and Ar2 bond to adjacent carbons in the aromatic ring of Ar1, and X2 and Ar1 bond to adjacent carbons in the aromatic ring of Ar2), (wherein, Ar3 and Ar4 each independently represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group. X3 and X4 each independently represent N, B, P, C(R9) or Si(R10). X3 and X4 are not the same. X3 and Ar4 bond to adjacent carbons in the aromatic ring of Ar3, and X4 and Ar3 bond to adjacent carbons in the aromatic ring of Ar4.).

Abstract: High-molecular compounds comprising repeating units represented by the general formula (1) or (2) and having number-average molecular weights of 103 to 108 in terms of polystyrene: (1) [wherein Ar1 and Ar2 are each independently a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; and X1 and X2 are each independently O, S, C(?O), S(?O), SO2, C(R1)(R2), Si(R3)(R4), N(R5), B(R6), P(R7), or P(?O)(R8), with the provisos that X1 and X2 must not be the same and that X1 and Ar2 are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar1, and X2 and Ar1 are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar2] (2) [wherein Ar3 and Ar4 are each independently a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; and X3 and X4 are each independently N, B, P, C(R9), or Si(R10), with the provisos that X3 and X4 must not be the same and that X3 and Ar4 are bonded respectively to the adjacent carbon atoms constituting t

Abstract: A polymer compound comprising a repeating unit of the following formula (1) and at least one of a repeating unit of the following formula (2) and a repeating unit of the following formula (70). (wherein, Q represents Ar1 and Ar2 represent an arylene group, divalent heterocyclic group or divalent aromatic amine group. Ar3 represents an aryl group, monovalent heterocyclic group or monovalent aromatic amine group. Z represents —CR1?CR2— or —C?C—. R1 and R2 represent a hydrogen atom, alkyl group or the like. m represents 0 or 1.) (wherein, a ring A and a ring B represent an aromatic hydrocarbon ring, and at least one of the ring A and the ring B is an aromatic hydrocarbon ring having two or more benzene rings condensed. Rw and Rx represent an alkyl group, alkoxy group or the like.) (wherein, a ring C and a ring D represent an aromatic ring. E represents O or S.).

Abstract: A copolymer comprising a repeating unit of the following formula (1) and a repeating unit of the following formula (2): (wherein, a ring A and ring B represent each independently an aromatic ring optionally having a substituent. X is —O—, —S—, —S(?O)—, —S(?O)2—, —Si(R1)2—Si(R1)2—, —Si(R1)2—, —B(R1)—, —P(R1)—, —P(?O)(R1)—, —O—C(R1)2— or —N?C(R1)—, and R1 represents a substituent. When there are two or more R1s in the same formula, they may be the same or different.) (wherein, Y is —O—, —S— or —C(?O)—. Ar1 represents an aryl group optionally having a substituent or a monovalent heterocyclic group optionally having a substituent, and there is no substituent connected to atoms of the ring of Ar1, the atoms being adjacent an atom of Ar1 connected to a nitrogen atom in the formula. R2 represents a substituent, and n represents an integer of from 0 to 3. When there are two or more R2s in the formula, they may be the same or different.).

Abstract: Disclosed is a photoelectric conversion element comprising a pair of electrodes, at least one of which is transparent or translucent, and a photoactive layer provided between the electrodes, wherein the photoactive layer contains an electron donating compound and an electron accepting compound, and the electron donating compound or the electron accepting compound is a polymer compound having a repeating unit represented by the following formula (I), and the proportion of the repeating unit represented by the formula (I) is the highest among all of the repeating units contained in the polymer compound: wherein R1, R2, R3, R4, R5 and R6 are the same or different, represent a hydrogen atom or a substituent, and may be linked with one another to form a cyclic structure; X1, X2 and X3 are the same or different and represent a sulfur atom, an oxygen atom, a selenium atom, —N(R7)— or —CR8?CR9—; R7, R8, and R9 are the same or different and represent a hydrogen atom or a substituent; and n and m are the same or di

Abstract: A polymer compound comprising a repeating unit represented by the formula (1) and a repeating unit represented by the formula (2). In the formula (1), Ar1 and Ar2 each independently represent an arylene group or a group represented by the following formula (3); R1, R2, R3, and R4 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, or an aryl group; and a hydrogen atom contained in these groups may be substituted by a fluorine atom. In the formula (2), R5, R6, R7, R8, R9, and R10 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, or an aryl group; and a hydrogen atom contained in these groups may be substituted by a fluorine atom.

Abstract: An organic photoelectric conversion element having a pair of electrodes and a functional layer arranged between the electrodes, wherein the functional layer contains an electron-accepting compound and a polymer having a repeating unit which is composed of a structure represented by formula (1) and a structure represented by formula (2): (wherein R1 to R8 may be the same or different, and each represents a hydrogen atom, an alkyl group, an alkoxy group, or an optionally substituted aryl group; and a hydrogen atom contained in the groups may be substituted by a fluorine atom.

Abstract: A conjugated polymer having a phenoxazine structure and a phenothiazine structure as subsituents.

Abstract: A polymer compound comprising a repeating unit of the following formula (1) and at least one of a repeating unit of the following formula (2) and a repeating unit of the following formula (70). (wherein, Q represents Ar1 and Ar2 represent an arylene group, divalent heterocyclic group or divalent aromatic amine group. Ar3 represents an aryl group, monovalent heterocyclic group or monovalent aromatic amine group. Z represents —CR1?CR2— or —C?C—. R1 and R2 represent a hydrogen atom, alkyl group or the like. m represents 0 or 1.) (wherein, a ring A and a ring B represent an aromatic hydrocarbon ring, and at least one of the ring A and the ring B is an aromatic hydrocarbon ring having two or more benzene rings condensed. Rw and Rx represent an alkyl group, alkoxy group or the like.) (wherein, a ring C and a ring D represent an aromatic ring. E represents O or S.).

Abstract: A polymer compound comprising a repeating unit represented by the following general formula (1-1) and/or a repeating unit represented by the following general formula (1-2): (in the formula, Rf1 and Rg1 are the same or different, and each represents a phenyl group or the like, and Rd1 and Re1 are the same or different, and each represents a hydrogen atom or the like) (in the formula, Rf2 and Rg2 are the same or different, and each represents a phenyl group or the like, and Rd2 and Re2 are the same or different, and each represents a hydrogen atom or the like).

Abstract: A polymer compound comprising a repeating unit represented by the following general formula (1-1) and/or a repeating unit represented by the following general formula (1-2): (in the formula, Rf1 and Rg1 are the same or different, and each represents a phenyl group or the like, and Rd1 and Re1 are the same or different, and each represents a hydrogen atom or the like) (in the formula, Rf2 and Rg2 are the same or different, and each represents a phenyl group or the like, and Rd2 and Re2 are the same or different, and each represents a hydrogen atom or the like).

Abstract: A copolymer comprising a repeating unit of the following formula (1) and a repeating unit of the following formula (2): (wherein, a ring A and ring B represent each independently an aromatic ring optionally having a substituent. X is —O—, —S—, —S(?O)—, —S(?O)2—, —Si(R1)2—Si(R1)2—, —Si(R1)2—, —, —B(R1)—, —P(R1)—, —P(?O)(R1)—, —O—C(R1)2— or —N?C(R1)—, and R1 represents a substituent. When there are two or more R1s in the same formula, they may be the same or different.) (wherein, Y is —O—, —S— or —C(?O)—. Ar1 represents an aryl group optionally having a substituent or a monovalent heterocyclic group optionally having a substituent, and there is no substituent connected to atoms of the ring of Ar1, the atoms being adjacent an atom of Ar1 connected to a nitrogen atom in the formula. R3 represents a substituent, and n represents an integer of from 0 to 3. When there are two or more R2s in the formula, they may be the same or different.).

Abstract: A polymer compound comprising a repeating unit represented by the following general formula (1): (in the formula, Rf1, Rg1, Rf2, and Rg2 are the same or different, and each represents any one of an alkyl group having 1 to 12 carbon atoms, a phenyl group, a phenyl group substituted by an alkyl group having 1 to 12 carbon atoms, and a phenyl group substituted by an alkoxy group having 1 to 12 carbon atoms, and Rd1 and Re1 are the same or different, and each represents any one of a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, and a phenyl group).

Abstract: Disclosed is a polymer compound containing a repeating unit represented by the following general formula (1). (In the formula, Rf1 and Rg1 may be the same or different, and each represents an alkyl group having 1-12 carbon atoms or the like; Rd1 and Re1 may be the same or different, and each represents a hydrogen atom or the like; and Ra1, Ra2, Ra3, Rb1, Rb2 and Rb3 may be the same or different, and each represents a hydrogen atom or the like.

Abstract: A polymeric fluorescent substance exhibiting fluorescence in the solid state, having a polystyrene reduced number-average molecular weight of 1×103 to 1×108, and comprising one or more repeating units of formula (1) and one or more repeating units of formula (8), —Ar1—(CR1?CR2)n—??(1) —Ar2—(CR36?CR37)n—??(8) wherein Ar1 represents a specific arylene or a divalent heterocyclic compound group, and Ar2 represent an arylene or a divalent heterocyclic compound group other than Ar1. By using the polymeric fluorescent substance, a high performance polymer LED can easily be obtained.

Abstract: Provided is a polymer comprising a repeating unit represented by formula (1), wherein, A1 represents a divalent group in which the bond distance ratio (bond distance of C(?)-A1/bond distance of C(?)-C(?)) is 1.10 or more; R1, R2, R3, R4, R5, and R6, each independently represent a hydrogen atom, alkyl group, alkyloxy group, aryloxy group, arylalkyloxy group, etc. The polymer is useful as a light-emitting material, a charge transporting material, etc.