Abstract: A functional device comprising a semiconductor material, wherein the functional device contains a compound not substantially undergoing oxidation-reduction reaction but having at least one lone electron pair and in which adding the compound negatively changes a flat band potential of the semiconductor material with respect to a case not adding it.

Abstract: A silver halide photographic light-sensitive material comprising at least one compound (A), wherein the at least one compound (A) is a compound capable of releasing a sensitizing compound that increases a sensitivity of the silver halide photographic light-sensitive material in comparison with a case where a silver halide photographic light-sensitive material does not comprise the at least one compound (A), and the sensitizing compound is released by hydrolysis.

Abstract: An object of the present invention is to provide a silver halide photographic light-sensitive material which is reduced in the various problems ascribable to the multilayer adsorption of a sensitizing dye. A silver halide photographic emulsion comprising a silver halide grain having adsorbed on the surface thereof a sensitizing dye in multiple layers is described, wherein the variation coefficient of the light absorption strength distribution among the grains is 100% or less.

Abstract: The present invention provides a silver halide photosensitive material and a photothermographic material having, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, and a reducing agent for the organic silver salt, wherein the silver halide photosensitive material and the photothermographic material contain a phthalocyanine compound represented by the following formula (PC-1): wherein, M represents a hydrogen atom or a metal atom; R1, R4, R5, R8, R9, R12, R13, and R16 each independently represent a hydrogen atom or a substituent; at least one of R1, R4, R5, R8, R9, R12, R13, and R16 represents an electron-attracting group; and R2, R3, R6, R7, R10, R11, R14, and R15 each independently represent a hydrogen atom or a substituent.

Abstract: A silver halide color photosensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit, a green-sensitive layer unit and a red-sensitive layer unit, each of these light-sensitive layer units composed of at least one silver halide emulsion layer, together with at least one nonphotosensitive layer, wherein at least one compound (A) and at least one compound (B) are contained, the compound (A) being a heterocyclic compound of less than 4.5 ClogP which when added, is capable of enhancing the sensitivity of the silver halide color photosensitive material as compared with that exhibited when not added, the compound (B) being a heterocyclic compound of 4.5 or greater ClogP which when added, is capable of enhancing the sensitivity of the silver halide color photosensitive material as compared with that exhibited when not added.

Abstract: An imaging element having a photoelectric conversion film which has a laminated structure comprising a p-type semiconductor layer and an n-type semiconductor layer between a pair of electrodes, wherein at least one of the p-type semiconductor and the n-type semiconductor contains an organic compound with controlled orientation; a photoelectric conversion film having at least one organic dye compound, wherein the organic dye compound forms a J aggregate, or the angle between the spectral absorption transition dipolar moment of the organic dye compound and the photoelectric conversion film plane is 40° or less, a photoelectric conversion element and an imaging element; and a method of applying an electric field thereto, and an imaging element which comprises a photoelectric conversion film (a photosensitive layer) having a bulk heterojunction layer as an intermediate layer, or a photoelectric conversion film having two or more repeating structure units of a pn junction layer comprising a p-type semiconductor la

Abstract: A method of forming color image, comprising processing a silver halide color photosensitive material with a development processing solution containing a color developing agent, the silver halide color photosensitive material comprising a support and, superimposed thereon, a blue-sensitive layer unit composed of at least one silver halide emulsion layer, a green-sensitive layer unit composed of at least two silver halide emulsion layers, a red-sensitive layer unit composed of at least two silver halide emulsion layers and at least one non-light-sensitive layer, wherein the development processing solution or processing solution applied to the silver halide color photosensitive material before the use of the development processing solution contains compound (A), the compound (A) being a heterocyclic compound having three or more heteroatoms which when added, is capable of substantially enhancing the sensitivity of the silver halide color photosensitive material as compared with that exhibited when not added.

Abstract: A silver halide color photosensitive material of less than 320 ISO speed, comprising at least two red-sensitive emulsion layers, at least two green-sensitive emulsion layers, at least one blue-sensitive emulsion layer and at least one nonsensitive layer, wherein silver halide tabular grains of 0.15 ?m or less grain thickness are contained in an amount of 50% or more in respective layers with the highest speed among the green- and red-sensitive emulsion layers; wherein the total dry film thickness of the material on the emulsion layer side thereof is 24 ?m or less; and wherein the compound (A) is contained in at least one silver halide emulsion layer or the nonsensitive layer. Compound (A): heterocyclic compound having one or more heteroatoms, which heterocyclic compound is capable of substantially increasing the sensitivity of silver halide color photosensitive material by addition thereof as compared with that exhibited when the compound is not added.

Abstract: A method for forming color images comprising subjecting a silver halide color photosensitive material to a development processing in the presence of a compound (A) defined below, wherein the silver halide color photosensitive material having a blue-sensitive unit, a green-sensitive unit and a red-sensitive unit, each of which comprises at least one silver halide emulsion layer, and at least one non-light-sensitive layer on a support, compound (A): a heterocyclic compound having one or two hetero atoms, the heterocyclic compound being capable of increasing speed of the silver halide color photosensitive material by the presence thereof in comparison to the case where the heterocyclic compound is absent.

Abstract: A process for producing a spectrally sensitized silver halide photographic emulsion having high sensitivity. A process for producing a silver halide photographic emulsion comprising as a sensitizing dye at least one connection dye having two or more chromophores connected through a covalent bond, the process comprising adding said connection dye to a silver halide photographic emulsion and allowing at least one chromophore out of a plurality of chromophores in the molecule of the connection dye to change in the adsorption strength to a silver halide grain; and a process for producing a silver halide photographic emulsion comprising a silver halide grain having adsorbed on the surface thereof a sensitizing dye in multiple layers, the process comprising adding one or a plural of sensitizing dye(s) to said silver halide emulsion and allowing at least one sensitizing dye out of added sensitizing dyes to change in the adsorption strength to a silver halide grain.

Abstract: A high-sensitivity silver halide photographic light-sensitive material is provided, which is a silver halide photographic light-sensitive material, in which a dye chromophore is adsorbed in multiple layers on the surface of a silver halide grain and at least one of the dye chromophore-containing compounds satisfies: a specific condition relating to the aggregation property, hydrophilicity/hydrophobicity or J-aggregation property; or a specific structure.

Abstract: A silver halide photographic photosensitive material, containing at least one residual-color-reducing agent having at least one aromatic ring or aromatic heterocycle in its molecule; a processing method thereof; and an image-forming method.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer, wherein the emulsion layer contains at least one compound of formulae (Ia), (Ib) and (Ic) and at least one compound of formula (II): wherein Z1 represents S, O, Se, Te, N or C; R, R31 and R32 each are an alkyl, aryl or heterocyclic group; D is a group necessary for forming a methine dye; V1 to V4 represent H or a monovalent substituent; M and M3 each are a charge-balancing counter ion; m and m3 each are a number or 0 or more necessary for neutralizing the charge of the molecule; Z31 and Z32 each are an atomic group necessary for forming the nitrogen-containing hetero-ring; L31 to L37 each represent a methine group; p31 and p32 each are 0 or 1; n3 is 0, 1, 2, 3 or 4, but the compound of formula (II) does not include the compounds of formulae (Ia), (Ib) and (Ic).

Abstract: An object of the present invention is to provide a silver halide photographic light-sensitive material which is reduced in the various problems ascribable to the multilayer adsorption of the sensitizing dye. A silver halide photographic emulsion comprising a silver halide grain having adsorbed on the surface thereof a sensitizing dye in multiple layers is described, wherein the variation coefficient of the light absorption strength distribution among the grains is 100% or less.

Abstract: A high-sensitive silver halide photographic light-sensitive material is provided. A silver halide photographic light-sensitive material comprising a dye having a plurality of dye chromophores, which contains at least one dye where at least one of the dye chromophores is a methine dye chromophore containing a basic nucleus comprising a monocyclic heterocyclic ring.

Abstract: A silver halide photographic emulsion which contains at least two sensitizing dyes represented by the following formula (I): Dye-((A)rQ)q(M)m  (I) wherein Dye represents a dye moiety; A represents a linking group; Q represents a dissociable group; r represents 0 or 1; q represents an integer of 2 or more; provided that at least one Q represents —SO3H and at least one Q represents a dissociable group other than —SO3H; M represents a counter ion; and m represents a number of 0 or more necessary to neutralize the electric charge in the molecule, and when 2 represents 2 or more, M's need not be the same.

Abstract: A silver halide photographic material is disclosed, comprising at least one silver halide emulsion layer provided on a support, the emulsion layer comprising a silver halide emulsion containing at least two sensitizing dyes represented by the following general formula (I): wherein X represents an oxygen atom, sulfur atom, selenium atom or NR′; R and R′ each represent a substituted or unsubstituted alkyl, aryl or heterocyclic group; D represents a group required to form a methine dye; M represents a counter ion; and m represents a number of not smaller than 0 required to neutralize the electric charge in the molecule.

Abstract: An object of the present invention is to provide a silver halide photographic light-sensitive material which is reduced in the various problems ascribable to the multilayer adsorption of a sensitizing dye. A silver halide photographic emulsion comprising a silver halide grain having adsorbed on the surface thereof a sensitizing dye in multiple layers is described, wherein the variation coefficient of the light absorption strength distribution among the grains is 100% or less.

Abstract: A silver halide photographic emulsion comprising a methine dye compound having in a molecule thereof at least one atomic group in which at least two groups selected from the group consisting of groups represented by formulas (I) and (II) are adjacent to each other or adjacent to each other through an atom: X—H  (I) wherein X represents an atom electrically more negative than a carbon atom, Y  (II) wherein Y represents an atom electrically more negative than a carbon atom, and has one or more lone electron pairs; and a silver halide photographic material comprising the silver halide photographic emulsion.

Abstract: To provide a silver halide photographic light-sensitive material having high sensitivity and having a desired spectral sensitivity distribution.