Abstract: Disclosed is an organic photoelectric conversion device including a pair of electrodes, at least one of which is transparent or semi-transparent, and an organic layer arranged between the electrodes and containing a conjugated polymer compound and a sulfur-containing heterocyclic compound, wherein the sulfur-containing heterocyclic compound has a condensed polycyclic structure or a bithiophene structure. Examples of the sulfur-containing heterocyclic compound include a compound represented by formula (1): (wherein, a plurality of R1's may be the same or different and each represents a hydrogen atom, a halogen 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 or an arylalkylthio group, and a hydrogen atom or atoms contained in these groups may be substituted by a fluorine atom or atoms; and m represents an integer of 0 to 10) or the like.

Abstract: Disclosed is an organic photoelectric conversion element including an anode, a cathode, an active layer, and a functional layer, wherein the anode contains a metal, the anode and the functional layer are adjacent to each other, and the functional layer is formed using a solution having a pH value of 5 to 9. Examples of the metal include aluminum, magnesium, titanium, chromium, iron, nickel, copper, zinc, gallium, zirconium, molybdenum, silver, indium, and tin. Preferably, the active layer contains a conjugated polymer compound and a fullerene derivative.

Abstract: Disclosed is an organic photoelectric converter having a layer containing a fullerene derivative represented by the formula (1) below. (In the formula (1), m represents an integer of 1-6; n represents an integer of 1-4; p represents an integer of 0-5; r represents an integer of 0-4; and Q represents a group represented by the formula (2) or (3) below. When there are a plurality of m's, they may be the same as or different from each other. In the formulae (2) and (3), R1 and R2 independently represent a halogen atom, an alkyl group, an alkoxy group or an aryl group, and a hydrogen atom contained in these groups may be substituted by a halogen atom; q represents an integer of 0-7; and v represents an integer of 0-5. When there are a plurality of R1's, they may be the same as or different from each other. When there are a plurality of R2's, they may be the same as or different from each other.

Abstract: An organic photoelectric converter having excellent photoelectric conversion efficiency can be produced by using a composition containing a polymer compound A having a repeating unit represented by formula (1) and a polymer compound B having a repeating unit represented by formula (2): wherein R2 and R2 respectively represent a hydrogen atom, a fluorine 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 or an arylalkylthio group, wherein R3 and R4 respectively represent a hydrogen atom, a fluorine 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 or an arylalkylthio group, and p represents an integer of 2 to 10.

Abstract: Disclosed is a composition which is characterized by obtained by bringing an adsorbent into contact with a composition containing a fullerene derivative and a solvent.

Abstract: A composition containing a polymer having a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2), and a fullerene with a carbon number of 70 or more or a fullerene derivative having a fullerene skeleton with a carbon number of 70 or more: wherein, Q, R, R1 and R2 each independently denote a hydrogen atom, and so on.

Abstract: Disclosed is a white polymer organic electroluminescent device having excellent device characteristics such as efficiency. Specifically disclosed is a white organic electroluminescent device containing a polymer material as an electron-transporting material or a light-emitting material, wherein at least two light-emitting layers emitting light of different colors are laminated and at least one of the light-emitting layers is a crosslinked light-emitting layer. The white organic electroluminescent device is further characterized by emitting a white light as a whole. Preferably, at least one of the crosslinked light-emitting layers and at least one of the non-crosslinked light-emitting layers are in contact with each other in the white organic electroluminescent device.

Abstract: The present invention provides an organic photoelectric converter and a polymer useful for the production of the same.

Abstract: Disclosed is a compound which is an organic semiconductor material having excellent charge transport property. Specifically, disclosed is a compound represented by the following formula (1). (In the formula (1), R1-R4 independently represent a hydrogen atom, or a group selected from the group consisting of alkyl groups having 1-18 carbon atoms and groups represented by the following formula (2): R7?O—R8?a??(2) (2) (wherein R7 represents an alkyl group having 1-18 carbon atoms; R8 represents an alkylene group having 1-20 carbon atoms; a represents an integer of 1-5, and when a is 2 or more, R8's may be the same as or different from each other), and at least one of R1-R4 represents a group represented by the formula (2); R5 and R6 independently represent an alkyl group having 1-18 carbon atoms; and m and n independently represent an integer of 0-4.

Abstract: A polymer material as light emitter or charge transport material, and a polymer composition for organic electroluminescence containing a crosslinking agent characterized in that the crosslinking agent has no aromatic ring.

Abstract: The present invention provides a sulfonium salt of the formula (Ia) a polymeric compound comprising a structural unit of the formula (Ib) and a chemical amplification type positive resist composition comprising (A) an acid generator comprising at least one compound selected from the group consisting of a sulfonium salt of the formula (Ia), a polymeric compound comprising a structural unit of the formula (Ib), and a sulfonium salt of the formula (Ic); and (B) resin which contains a structural unit having an acid labile group and which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid.

Abstract: A polymer compound having a conjugated polymer main chain and at least one side chain selected from the following (a), (b) and (c): (a) side chain having electron transportability, wherein the value of LUMO energy of the side chain and the value of LUMO energy of the conjugated polymer main chain are mutually different, and the absolute value of the difference thereof is 0.3 eV or less, (b) side chain having hole transportability, wherein the value of HOMO energy of the side chain and the value of HOMO energy of the conjugated polymer main chain are mutually different, and the absolute value of the difference thereof is 0.3 eV or less, (c) side chain having electron transportability and hole transportability, wherein the value of LUMO energy of the side chain and the value of LUMO energy of the conjugated polymer main chain are mutually different, and the absolute value of the difference thereof is 0.

Abstract: A light emitting polymer composition comprising a light emitting polymer and a compound selected from the following formulae (1a) to (1d): (wherein, X represents an atom or atomic group forming a 5-membered or 6-membered ring together with four carbon atoms on two benzene rings in the formula, Q and T represent each independently a hydrogen atom, halogen atom, alkyl group, alkyloxy group, alkylthio group, aryl group, aryloxy group, arylthio group, arylalkyl group, arylalkyloxy group, arylalkylthio group, alkenyl group, alkynyl group, arylalkenyl group, arylalkynyl group, substituted silyloxy group, substituted silylthio group, substituted silylamino group, substituted amino group, amide group, acid imide group, acyloxy group, mono-valent heterocyclic group, heteroaryloxy group, heteroarylthio group, cyano group or nitro group).

Abstract: An organic electroluminescence device wherein a light emitting layer exists between electrodes composed of an anode and a cathode, a layer (L) containing a polymer compound exists between the light emitting layer and the anode and the polymer compound contains a repeating unit of the following formula (1): (wherein, Ar1, Ar2, Ar3 and Ar4 represent each independently an arylene group or divalent heterocyclic group. E1, E2 and E3 represent each independently the following aryl group (A) or heterocyclic group (B). a and b represent each independently 0 or 1, and 0?a+b?1. Aryl group (A): aryl group having three or more substituents selected from alkyl groups, alkoxy groups and the like, Heterocyclic group (B): monovalent heterocyclic group having one or more substituents selected from alkyl groups, alkoxy groups and the like and in which the sum of the number of the substituents and the number of hetero atoms of the heterocycle is 3 or more.).

Abstract: The present invention provides a sulfonium salt of the formula (Ia) a polymeric compound comprising a structural unit of the formula (Ib) and a chemical amplification type positive resist composition comprising (A) an acid generator comprising at least one compound selected from the group consisting of a sulfonium salt of the formula (Ia), a polymeric compound comprising a structural unit of the formula (Ib), and a sulfonium salt of the formula (Ic); and (B) resin which contains a structural unit having an acid labile group and which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid.

Abstract: The present invention provides a sulfonium salt of the formula (Ia) a polymeric compound comprising a structural unit of the formula (Ib) and a chemical amplification type positive resist composition comprising (A) an acid generator comprising at least one compound selected from the group consisting of a sulfonium salt of the formula (Ia), a polymeric compound comprising a structural unit of the formula (Ib), and a sulfonium salt of the formula (Ic); and (B) resin which contains a structural unit having an acid labile group and which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid.

Abstract: The present invention provides a sulfonium salt of the formula (Ia) a polymeric compound comprising a structural unit of the formula (Ib) and a chemical amplification type positive resist composition comprising (A) an acid generator comprising at least one compound selected from the group consisting of a sulfonium salt of the formula (Ia), a polymeric compound comprising a structural unit of the formula (Ib), and a sulfonium salt of the formula (Ic); and (B) resin which contains a structural unit having an acid labile group and which itself is insoluble or poorly soluble in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid.

Abstract: The present invention provides a sulfonate of the formula (I): wherein Q1, Q2, Q3, Q4 and Q5 each independently represent hydrogen, alkyl having 1 to 16 carbon atoms, alkoxy having 1 to 16 carbon atoms, halogen, aryl having 6 to 12 carbon atoms, aralkyl having 7 to 12 carbon atoms, cyano, sulfide, hydroxy, nitro or a group of the formula (I?) —COO—X—Cy1 ??(I?) wherein X represents alkylene and at least one —CH2— in the alkylene may be substituted by —O— or —S—, and Cy1 represents alicyclic hydrocarbon having 3 to 20 carbon atoms, and A+ represents a counter ion, with the proviso that at least one of Q1, Q2, Q3, Q4 and Q5 is the group of the formula (I?).

Abstract: A chemical amplification type positive resist composition, which can reduce cost steeply without significantly decreasing basic abilities, is provided, and the chemical amplification type positive resist composition includes (A) a resin having a polymerization unit derived from p-hydroxystyrene and a polymerization unit of the formula (1) or formula (2) which is insoluble or poorly soluble itself in an alkali aqueous solution but becomes soluble in an alkali aqueous solution by the action of an acid, (B) a resin obtained by protecting a portion of the hydroxyl groups in poly(p-hydroxystyrene) with a protective group not dissociating by the action of an acid or a resin obtained by substituting a portion of the hydroxyl groups in poly(p-hydroxystyrene) with hydrogen, and (C) an acid generating agent.

Abstract: A light-emitting polymer composition comprising a light-emitting polymer and an ion pair, wherein the ion pair has a negative ion of a specific structure in which one group 13 atom and is bonding to an aryl group having an electron-withdrawing group, or a heterocyclic group having an electron-withdrawing group, directly or through a connecting group; or two or more group 13 atoms, and all the atoms are respectively bonding to an aryl group having an electron-withdrawing group, or a heterocyclic group having an electron-withdrawing group, directly or through a connecting group.