Abstract: An image forming method is provided. The image forming method includes the processes of: applying a porous layer forming material to a recording medium by an inkjet head to form a porous layer having an average pore diameter greater than 200 nm and not greater than 400 nm and an average thickness of from 5 to 30 ?m; and applying a silver ink containing silver to the porous layer.

Abstract: An image recording method is provided. The image recording method includes the steps of: applying a treatment liquid containing a pore forming material onto a recording medium to form a porous layer; and applying a metallic ink containing a metallic pigment onto the porous layer. A surface tension of the metallic ink at 23° C. is equal to or greater than a surface tension of the treatment liquid at 23° C. The surface tension of the metallic ink at 23° C. is 19 mN/m or more and 28 mN/m or less.

Abstract: A recording liquid contains a luster pigment having a mean number diameter of less than 200 nm and a modified ethylene vinyl acetate polymer or the combination of a polyamide amine salt and an aliphatic acid amide, wherein the recording liquid has a viscosity of 40 mPa·s or less at 20 degrees C.

Abstract: An image recording method is provided. The image recording method includes the steps of: applying a treatment liquid containing a pore forming material onto a recording medium to form a porous layer; and applying a metallic ink containing a metallic pigment onto the porous layer. A surface tension of the metallic ink at 23° C. is equal to or greater than a surface tension of the treatment liquid at 23° C. The surface tension of the metallic ink at 23° C. is 19 mN/m or more and 28 mN/m or less.

Abstract: An image forming method comprises applying a white ink containing a metal oxide having a number average particle diameter of from 200 to 700 nm and a polymer to a recording medium and applying a glittery ink containing a glittery pigment to an area on the recording medium where the white ink has been applied, wherein the following relation 1 is satisfied: 0.6?Vp/(Vp+Ve) ??Relation 1, where Vp represents a volume of the metal oxide in the white ink and Ve represents a volume of the polymer in the white ink.

Abstract: A recording liquid contains a luster pigment having a mean number diameter of less than 200 nm and a modified ethylene vinyl acetate polymer or the combination of a polyamide amine salt and an aliphatic acid amide, wherein the recording liquid has a viscosity of 40 mPa·s or less at 20 degrees C.

Abstract: Organic colorant represented by General Formula (1) below: where in the General Formula (1), R1 and R2 each independently represent C1-C20 alkyl group, C1-C20 alkenyl group, phenyl group, naphthyl group, or group represented by —(CH2)n—COO—R3, —(CH2)n—R4, —(CH2)n—CONH—R5, —CR6R7—COO—R8, or —(CH2)n—OCOCH3; R3 represents hydrogen atom or C1-C2 alkyl group; R4 represents hydroxy group, C1-C2 alkoxy group, C2-C5 alkenyloxy group, SO3Na group, OSO3Na group, phenyl group, phenylalkyl group, naphthyl group, or naphthylalkyl group; R5 represents C1-C20 alkyl group, C1-C20 alkenyl group, or C1-C12 hydroxyalkyl group; R6 represents hydrogen atom or methyl group; R7 represents C1-C4 alkyl group; R8 represents C1-C5 alkyl group; and n is integer of from 1 to 12.

Abstract: An inkjet ink including: a stilbene-based compound represented by General Formula (1) below; where in the General Formula (1), R1 and R3 each independently represent, for example, an alkyl group including 1 to 20 carbon atoms, an alkenyl group including 1 to 20 carbon atoms, a phenyl group, or a naphthyl group.

Abstract: An image forming method comprises applying a white ink containing a metal oxide having a number average particle diameter of from 200 to 700 nm and a polymer to a recording medium and applying a glittery ink containing a glittery pigment to an area on the recording medium where the white ink has been applied, wherein the following relation 1 is satisfied: 0.6?Vp/(Vp+Ve) ??Relation 1, where Vp represents a volume of the metal oxide in the white ink and Ve represents a volume of the polymer in the white ink.

Abstract: An inkjet printing device includes an ink containing a silver particle and water; and an ink discharging head including multiple nozzles to discharge the ink, individual liquid chambers communicating with the multiple nozzles, a common liquid chamber to supply the ink to the individual liquid chambers, a circulating flow path communicating with the individual liquid chambers, a common circulating liquid chamber communicating with the circulating flow path, and a pressure generator to apply a pressure to the ink in the individual liquid chambers, wherein the proportion of the silver particle to the ink is from 1 to 15 percent by mass.

Abstract: A printed matter is provided. The printed matter includes a porous printing medium and a printed layer. The printed layer contains silver and has a printed surface having an image clarity (2 mm), defined in Japanese Industrial Standards H8686-2, of 5.0 or more and a b* value in the range of from ?7.0 to +4.0.

Abstract: A printed matter is provided. The printed matter comprises a print medium and a print layer on the print medium. The print medium comprises a porous layer having an average pore diameter of from 100 to 400 nm and an average thickness of from 1 to 50 ?m. The print layer comprises silver and an aliphatic compound having amino group and hydroxyl group, and has an average thickness of from 50 to 300 nm.

Abstract: An image forming method is provided. The image forming method includes the processes of: applying a porous layer forming material to a recording medium by an inkjet head to form a porous layer having an average pore diameter greater than 200 nm and not greater than 400 nm and an average thickness of from 5 to 30 ?m; and applying a silver ink containing silver to the porous layer.

Abstract: Organic colorant represented by General Formula (1) below: where in the General Formula (1), R1 and R2 each independently represent C1-C20 alkyl group, C1-C20 alkenyl group, phenyl group, naphthyl group, or group represented by —(CH2)n—COO—R3, —(CH2)n—R4, —(CH2)n—CONH—R5, —CR6R7—COO—R8, or —(CH2)n—OCOCH3; R3 represents hydrogen atom or C1-C2 alkyl group; R4 represents hydroxy group, C1-C2 alkoxy group, C2-C5 alkenyloxy group, SO3Na group, OSO3Na group, phenyl group, phenylalkyl group, naphthyl group, or naphthylalkyl group; R5 represents C1-C20 alkyl group, C1-C20 alkenyl group, or C1-C12 hydroxyalkyl group; R6 represents hydrogen atom or methyl group; R7 represents C1-C4 alkyl group; R8 represents C1-C5 alkyl group; and n is integer of from 1 to 12.

Abstract: An inkjet printing device includes an ink containing a silver particle and water; and an ink discharging head including multiple nozzles to discharge the ink, individual liquid chambers communicating with the multiple nozzles, a common liquid chamber to supply the ink to the individual liquid chambers, a circulating flow path communicating with the individual liquid chambers, a common circulating liquid chamber communicating with the circulating flow path, and a pressure generator to apply a pressure to the ink in the individual liquid chambers, wherein the proportion of the silver particle to the ink is from 1 to 15 percent by mass.

Abstract: A printed matter is provided. The printed matter comprises a print medium and a print layer on the print medium. The print medium comprises a porous layer having an average pore diameter of from 100 to 400 nm and an average thickness of from 1 to 50 ?m. The print layer comprises silver and an aliphatic compound having amino group and hydroxyl group, and has an average thickness of from 50 to 300 nm.

Abstract: An inkjet ink including: a stilbene-based compound represented by General Formula (1) below; where in the General Formula (1), R1 and R3 each independently represent, for example, an alkyl group including 1 to 20 carbon atoms, an alkenyl group including 1 to 20 carbon atoms, a phenyl group, or a naphthyl group.

Abstract: A printed matter is provided. The printed matter includes a porous printing medium and a printed layer. The printed layer contains silver and has a printed surface having an image clarity (2 mm), defined in Japanese Industrial Standards H8686-2, of 5.0 or more and a b* value in the range of from ?7.0 to +4.0.

Abstract: A two-photon absorption material represented by the following General Formula (I): where R1 to R8 each represent hydrogen, halogen, a carboxyl group, a carboxylic acid ester group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted alkyl group; one to three of X1 to X4 each represent a substituted or unsubstituted amino group, a substituted or unsubstituted aminophenyl group, a substituted or unsubstituted dialkylaminophenyl group, a substituted or unsubstituted N,N-diphenyl-aminophenyl group, a substituted or unsubstituted indolyl group, or a substituted or unsubstituted azulenyl group, and the other represents or the others each represent hydrogen, halogen, a carboxyl group, a carboxylic acid ester group, a substituted or unsubstituted aryl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted alkyl group or a perhalogenoalkyl group; and M represents two hydrogen atoms or a divalent, trivalent or tetravalent metal atom which may have oxygen or

Abstract: A photosensitized composite material and a material, an element, a device, and the like, which employ the photosensitized composite material, are provided. In the photosensitized composite material, multiphoton absorption compounds are highly sensitized for practical use by utilizing an enhanced plasmon field. The photosensitized composite material has a structure where the multiphoton absorption compounds are linked to the surface of a fine metal particle through linking groups. The fine metal particle generates an enhanced surface plasmon field in resonance with a multiphoton excitation wavelength. The multiphoton absorption compounds have a molecular structure enabling multiphoton absorption.