Abstract: An ink composition contains (a) a compound which is represented by the following Formula (1) and has a specific molecular weight, (b) a colorant, (c) a polymer having an SP value of equal to or greater than 17 and equal to or less than 24, and (d) water, in which there is a specific relationship between a log P value of the component (a) and an SP value of the component (c). An ink set contains the ink composition, and an ink jet recording method uses the ink composition: R represents a specific alkyl group; Z1 represents a single bond, —NR1—, or —O—; Z2 represents —NR1— or —O—; at least one of Z1 or Z2 is —NR1—; R1 represents a hydrogen atom or a specific alkyl group; and L represents a specific alkylene group or —C2H4—O—C2H4—.

Abstract: A method for manufacturing an ?-bromoacetophenone compound includes brominating a specific phenyl compound by reacting the specific phenyl compound with bromine in a solvent including at least one organic acid ester compound so as to obtain the ?-bromoacetophenone compound that is a liquid at 5° C. to 30° C.

Abstract: An ink composition contains the following (A) to (D): (A) a polymerizable compound having an ethylenically unsaturated group, (B) a photopolymerization initiator other than a photopolymerization initiator having a biimidazole structure, (C) water, and (D) a chain transfer agent precursor represented by the following Formula (1). In Formula (1), each of R1 to R4 represents a hydrogen atom or a substituent; X represents an oxygen atom or a sulfur atom; and M represents an alkali metal.

Abstract: A method for producing an ?-halogenoacetophenon compound includes reacting a specific ?-halogenocarboxylic halide compound and a specific phenyl compound in the presence of a Lewis acid in a solvent, in which the ?-halogenoacetophenon compound and the phenyl compound are reacted with each other in a molar ratio of the Lewis acid to the phenyl compound represented below.

Abstract: A method for manufacturing an ?-bromoacetophenone compound includes brominating a specific phenyl compound by reacting the specific phenyl compound with bromine in a solvent including at least one organic acid ester compound so as to obtain the ?-bromoacetophenone compound that is a liquid at 5° C. to 30° C.

Abstract: The invention provides an ink composition for inkjet printing, the ink composition containing water, a coloring material, a polymerizable compound, a polymerization initiator represented by the following Formula (X), and polymer particles having a glass transition temperature of 90° C. or higher, a mass ratio of the polymer particles to the polymerization initiator represented by Formula (X) being in a range of from 1:10 to 10:1 [in Formula (X), each of RX1, RX2, RX3, and RX4 independently represents a hydrogen atom or a substituent; and n represents an integer from 1 to 4].

Abstract: An ink composition contains (a) a compound which is represented by the following Formula (1) and has a specific molecular weight, (b) a colorant, (c) a polymer having an SP value of equal to or greater than 17 and equal to or less than 24, and (d) water, in which there is a specific relationship between a log P value of the component (a) and an SP value of the component (c). An ink set contains the ink composition, and an ink jet recording method uses the ink composition: R represents a specific alkyl group; Z1 represents a single bond, —NR1—, or —O—; Z2 represents —NR1— or —O—; at least one of Z1 or Z2 is —NR1—; R1 represents a hydrogen atom or a specific alkyl group; and L represents a specific alkylene group or —C2H4—O—C2H4—.

Abstract: A curable resin composition comprises fine particles, a polymerizable compound having an ethylenic unsaturated group, a photopolymerization initiator having a betaine structure; and water.

Abstract: A method for producing an ?-halogenoacetophenon compound includes reacting a specific ?-halogenocarboxylic halide compound and a specific phenyl compound in the presence of a Lewis acid in a solvent, in which the ?-halogenoacetophenon compound and the phenyl compound are reacted with each other in a molar ratio of the Lewis acid to the phenyl compound represented below.

Abstract: A photopolymerization method in which an ink composition including (A) a polymerizing compound having an ethylenic unsaturated group, (B) a photopolymerization initiator represented by Formula (1) described below, and (C) a hydrogen donor having a structure in which a nitrogen atom is directly bonded to an aromatic ring, in which the aromatic ring has an electron-withdrawing group or the nitrogen atom constitutes a hetero ring, is photopolymerized under acidic conditions, in Formula (1), each of R1 to R30 represents a hydrogen atom, a halogen atom, an alkyl group, or an alkoxy group.

Abstract: There is provided a compound represented by a specific formula, which has an absorption maximum at 400 nm or more and less than 720 nm in a UV-visible absorption spectrum, wherein a molar extinction coefficient is 10,000 mol?1·l·cm?1 or more at the absorption maximum wavelength, and a difference between a melting point and a deposition temperature (a melting point?a deposition temperature) is 31° C. or more.

Abstract: An ink composition contains the following (A) to (D): (A) a polymerizable compound having an ethylenically unsaturated group, (B) a photopolymerization initiator other than a photopolymerization initiator having a biimidazole structure, (C) water, and (D) a chain transfer agent precursor represented by the following Formula (1). In Formula (1), each of R1 to R4 represents a hydrogen atom or a substituent; X represents an oxygen atom or a sulfur atom; and M represents an alkali metal.

Abstract: A photoelectric conversion device comprising an electrically conductive film, an organic photoelectric conversion film, and a transparent electrically conductive film, wherein the organic photoelectric conversion film contains a compound represented by the following formula (1) and an n-type organic semiconductor: wherein each of R1 and R2 independently represents a substituted aryl group, an unsubstituted aryl group, a substituted heteroaryl group or an unsubstituted heteroaryl group, each of R3 to R11 independently represents a hydrogen atom or a substituent provided that an acidic group is excluded, m represents 0 or 1, n represents an integer of 0 or more, R1 and R2, R3 and R4, R3 and R5, R5 and R6, R6 and R8, R7 and R8, R7 and R9, or R10 and R11 may be combined each other to form a ring, and when n is an integer of 2 or more, out of a plurality of R7's and R8's, a pair of R7's, a pair of R8's, or a pair of R7 and R8 may be combined each other to form a ring.

Abstract: A curable resin composition comprises fine particles, a polymerizable compound having an ethylenic unsaturated group, a photopolymerization initiator having a betaine structure; and water.

Abstract: A photopolymerization method in which an ink composition including (A) a polymerizing compound having an ethylenic unsaturated group, (B) a photopolymerization initiator represented by Formula (1) described below, and (C) a hydrogen donor having a structure in which a nitrogen atom is directly bonded to an aromatic ring, in which the aromatic ring has an electron-withdrawing group or the nitrogen atom constitutes a hetero ring, is photopolymerized under acidic conditions, in Formula (1), each of R1 to R30 represents a hydrogen atom, a halogen atom, an alkyl group, or an alkoxy group.

Abstract: An organic compound and a photoelectric conversion device containing the organic compound are disclosed. The organic compound and device realize high photoelectric conversion efficiency, low dark current and high-speed responsivity. It has been found that when this organic compound and an n-type semiconductor are used in combination, high-speed responsivity can be realized while maintaining high heat resistance, an aspect of which has not been seen when the connection part between a donor part and an acceptor part is a phenylene group.

Abstract: A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer; and a transparent electrically conductive thin layer. The organic photoelectric conversion layer contains: a compound represented by formula (I); and a fullerene or a fullerene derivative. Formula (I): In the formula, Z1 represents an atomic group necessary for forming a 5- or 6-membered ring, L1, L2 and L3 each independently represents an unsubstituted methine group or a substituted methine group, D1 represents an atomic group, and n represents an integer of 0 or more.

Abstract: An object of the present invention is to provide a photoelectric conversion element having a photoelectric conversion film which exhibits heat resistance, a high photoelectric conversion efficiency, a low level of dark currents, rapid response, and sensitivity characteristics to red and can be produced by a vapor deposition processing that is continuously performed under a high-temperature condition. The photoelectric conversion element of the present invention is a photoelectric conversion element in which a conductive film, a photoelectric conversion film containing a photoelectric conversion material, and a transparent conductive film are laminated on one another in this order, wherein the photoelectric conversion material includes a compound represented by Formula (1).

Abstract: The invention provides an ink composition for inkjet printing, the ink composition containing water, a coloring material, a polymerizable compound, a polymerization initiator represented by the following Formula (X), and polymer particles having a glass transition temperature of 90° C. or higher, a mass ratio of the polymer particles to the polymerization initiator represented by Formula (X) being in a range of from 1:10 to 10:1 [in Formula (X), each of RX1, RX2, RX3, and RX4 independently represents a hydrogen atom or a substituent; and n represents an integer from 1 to 4].

Abstract: Provided is a photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film, and an electrically conductive film, wherein the photoelectric conversion film contains a compound represented by the following formula (i): wherein each of R2 to R9 independently represents a hydrogen atom or a substituent, provided that each of at least two out of R3, R4, R7 and R8 independently represents an aryl group, a heterocyclic group or —N(Ra)(Rb), each of Ra and Rb independently represents a hydrogen atom or a substituent, and at least either Ra or Rb represents an aryl group or a heterocyclic group; and R1 represents an alkyl group, an aryl group or a heterocyclic group.