Abstract: This composition for a hole collecting layer of an organic photoelectric conversion element contains: a charge-transporting substance comprising a polyaniline derivative represented by formula (1); a fluorine-based surfactant; and a solvent. The composition provides a thin film suitable for a hole collecting layer of an organic photoelectric conversion element, and is particularly suited for producing an inverse lamination type organic photoelectric conversion element. (In the formula, R1 to R6 each independently represent a hydrogen atom, etc., but one of R1 to R4 is a sulfonic acid group, one or more of the remaining R1 to R4 are a C1-20 alkoxy group, a C1-20 thioalkoxy group, a C1-20 alkyl group, a C2-20 alkenyl group, a C2-20 alkynyl group, a C1-20 haloalkyl group, a C6-20 aryl group, or a C7-20 aralkyl group, and m and n are numbers which satisfy 0?m?1, 0?n?1 and m+n=1).

Abstract: This method for producing a charge transporting thin film, wherein a charge transporting varnish containing a charge transporting substance, an electron accepting dopant substance containing at least one substance selected from among naphthalene sulfonates and benzene sulfonates, and an organic solvent is applied onto a substrate and is subsequently heated at 100-180° C. so that the organic solvent is evaporated therefrom, is capable of efficiently producing a charge transporting thin film which is able to be used as a hole collecting layer that enables the achievement of an organic photoelectric conversion element having high photoelectric conversion efficiency.

Abstract: Provided is an agent for dispersing an electrically conductive carbon material, in which the agent consists of a polymer which has an oxazoline group in a side chain and which is obtained by using an oxazoline group-containing monomer such as that represented by formula (1) for example, and in which the agent exhibits excellent dispersion of an electrically conductive carbon material and produces a thin film that exhibits excellent adhesion to a current collection substrate when formed into a thin film together with the electrically conductive carbon material. (In the formula, X denotes a polymerizable carbon-carbon double bond-containing group, and R1-R4 each independently denote a hydrogen atom, a halogen atom, an alkyl group optionally having a branched structure having 1-5 carbon atoms, an aryl group having 6-20 carbon atoms, or an aralkyl group having 7-20 carbon atoms.

Abstract: This undercoat foil for an energy storage device electrode comprises a collector base plate, and an undercoat layer formed on at least one surface of the collector base plate, the undercoat layer containing carbon nanotubes, and the coating amount per collector base plate surface being 0.1 g/m2 or less. Since this undercoat foil can be effectively welded by ultrasound, the use thereof allows a low-resistance energy storage device and a simple and effective production method therefor to be provided.

Abstract: A charge transport varnish containing a charge transport substance, an electron-accepting dopant substance, and an organic solvent, wherein the electron-accepting dopant substance contains one or more types selected from naphthalene disulfonic acid, naphthalene trisulfonic acid, and naphthalene tetrasulfonic acid. This charge transport varnish is suitable for forming a hole collection layer that can be used to produce an organic photoelectric conversion element which exhibits high photoelectric conversion efficiency.

Abstract: This composition for a hole collecting layer of an organic photoelectric conversion element contains: a charge-transporting substance comprising a polyaniline derivative represented by formula (1); a fluorine-based surfactant; and a solvent. The composition provides a thin film suitable for a hole collecting layer of an organic photoelectric conversion element, and is particularly suited for producing an inverse lamination type organic photoelectric conversion element. (In the formula, R1 to R6 each independently represent a hydrogen atom, etc., but one of R1 to R4 is a sulfonic acid group, one or more of the remaining R1 to R4 are a C1-20 alkoxy group, a C1-20 thioalkoxy group, a C1-20 alkyl group, a C2-20 alkenyl group, a C2-20 alkynyl group, a C1-20 haloalkyl group, a C6-20 aryl group, or a C7-20 aralkyl group, and m and n are numbers which satisfy 0?m?1, 0?n?1 and m+n=1.

Abstract: Provided is a composition for a hole trapping layer of an organic photoelectric conversion element, such composition: containing a solvent and a charge-transporting substance comprising a polyaniline derivative represented by formula (1); and providing a thin film that is suitable as a hole trapping layer of an organic photoelectric conversion element and can also be used to produce an inverse lamination type organic photoelectric conversion element.

Abstract: Provided is an electrode for energy storage devices, which is provided with a collector substrate, an undercoat layer that is formed on at least one surface of the collector substrate and contains carbon nanotubes, and an active material layer that is formed on the surface of the undercoat layer, and wherein the active material layer does not contain a conductive assistant.

Abstract: Provided is an electrode for energy storage devices, which is provided with: a collector substrate; an undercoat layer that is formed on at least one surface of the collector substrate and contains carbon nanotubes; and an active material layer that is formed on the surface of the undercoat layer and contains an active material which contains a titanium-containing oxide.

Abstract: A nonaqueous secondary cell provided with: a positive electrode provided with a positive-electrode current-collecting substrate and a positive-electrode active material layer formed thereon, the positive-electrode active material layer being able to absorb or discharge lithium; a negative electrode provided with a negative-electrode current-collecting substrate and a negative-electrode active material layer formed thereon, the negative-electrode active material layer being able to absorb or discharge lithium; a separator interposed between the positive and negative electrodes; and a nonaqueous electrolyte solution. The nonaqueous electrolyte solution contains a sulfonyl imide electrolyte and a nonaqueous organic solvent. An electroconductive protective layer obtained by dispersing an electroconductive carbon material in a binder resin is formed on one or both surfaces of the positive-electrode current-collecting substrate and/or the negative-electrode current-collecting substrate.

Abstract: Provided is a production method for a thin film containing a conductive carbon material, the method being characterized by including a step for applying a coating liquid which contains a conductive carbon material such as carbon nanotubes using a gravure coater or a die coater.

Abstract: This carbon nanotube-containing thin film, which is formed on a base material, has a thickness of 10-500 nm. The ratio of coverage of the base material in a thin film forming portion by carbon nanotubes included in the thin film is 20-100%. The carbon nanotube-containing thin film exhibits a high ratio of coverage of the base material, despite having a thin film thickness, is capable of being ultrasonically welded, and, when used as an undercoat layer, is capable of achieving an energy storage device exhibiting low resistance.

Abstract: Provided is a thin film which is formed on an aluminium foil, and which has a lightness L* in the L*a*b* colour system of at least 53, but less than 100, said lightness being measured using a specular component included (SCI) method.

Abstract: Provided is a production method for a thin film containing a conductive carbon material, the method including a step for applying a coating liquid which contains a conductive carbon material such as carbon nanotubes using a gravure coater or a die coater at an application speed of 20 m/minute or higher.

Abstract: Provided is a thin film which has an infrared absorbance of at least 0, but less than 0.100, as measured using a p-polarized light method.

Abstract: This undercoat layer for an energy storage device has a thickness of 1-200 nm. An undercoat foil provided with the undercoat layer is capable of being ultrasonically welded efficiently. An energy storage device exhibiting low resistance can be obtained by using an electrode provided with the undercoat foil.

Abstract: Provided is an agent for dispersing an electrically conductive carbon material, in which the agent consists of a polymer which has an oxazoline group in a side chain and which is obtained by using an oxazoline group-containing monomer such as that represented by formula (1) for example, and in which the agent exhibits excellent dispersion of an electrically conductive carbon material and produces a thin film that exhibits excellent adhesion to a current collection substrate when formed into a thin film together with the electrically conductive carbon material. (In the formula, X denotes a polymerizable carbon-carbon double bond-containing group, and R1-R4 each independently denote a hydrogen atom, a halogen atom, an alkyl group optionally having a branched structure having 1-5 carbon atoms, an aryl group having 6-20 carbon atoms, or an aralkyl group having 7-20 carbon atoms.

Abstract: A photosensor element that is capable of achieving a good balance between high photoelectric conversion efficiency and low dark current is able to be obtained by using a composition for forming a hole collecting layer of a photosensor element, which contains an organic solvent and a charge-transporting material that is composed, for example, of an aniline derivative or thiophene derivative represented by one of formulae (AA)-(DD) and having a molecular weight of 200-2,000.

Abstract: Materials having charge-storing properties and made variously of dipyridine-fused benzoquinones of formula (1) below or derivatives thereof, dipyridine-fused benzoquinones of formula (4) below or derivatives thereof, or dipyridine-fused benzoquinone skeleton-containing polymers are provided. In the formulas, Ar1 and Ar2 are each independently a pyridine ring that forms together with two carbon atoms on a benzoquinone skeleton, or a derivative thereof. When used as electrode active materials, these charge storage materials are capable of providing high-performance batteries possessing a high capacity, high rate characteristics and high cycle characteristics.

Abstract: A charge-transporting thin film having excellent flatness can be obtained with good repeatability using the charge-transporting varnish of the present invention, which contains: a charge transportation substance comprising a charge-transporting monomer or a charge-transporting oligomer or polymer having a number-average molecular weight of 200-50,000, or a charge transporting material comprising the charge transportation substance and a dopant substance; and a mixed solvent including at least one type of good solvent and at least one type of poor solvent; the absolute value of the boiling point difference ?T° C. of the good solvent and the poor solvent satisfying the relation |?T|<20° C.; the viscosity at 25° C. being 7.5 mPa·s or less; the surface tension at 23° C. being 30.0-40.0 mN/m; and the charge-transporting material being dissolved or uniformly dispersed in the mixed solvent.