Abstract: The photosensitive composition according to the present invention is a photosensitive composition including a semiconductor particle (A), a photopolymerizable compound (C) and a photopolymerization initiator (D), in which the photosensitive composition satisfies any one or more of the following (a) to (c): (a) the photosensitive composition further includes a stabilizer (E), and a content of the stabilizer (E) is 8% by mass or more based on the total amount of the photosensitive composition; (b) the photopolymerizable compound (C) includes a (meth)acrylate compound (C1) having a molecular weight of 180 or less; and (c) the photopolymerizable compound (C) includes a compound (C2) having a vinyl ether group and a (meth)acryloyl group in the same molecule.

Abstract: A display device including a light source (A), a color conversion layer (B), and a color filter (C), wherein the color conversion layer (B) contains quantum dots (B-r) that emit red light, the color filter (C) has a blue color filter (C-b), a green color filter (C-g), and a red color filter (C-r), and the display device satisfies ??1.80 and (II) ??63.0.

Abstract: The photosensitive composition according to the present invention is a photosensitive composition including a semiconductor particle (A), a photopolymerizable compound (C) and a photopolymerization initiator (D), in which the photosensitive composition satisfies any one or more of the following (a) to (c): (a) the photosensitive composition further includes a stabilizer (E), and a content of the stabilizer (E) is 8% by mass or more based on the total amount of the photosensitive composition; (b) the photopolymerizable compound (C) includes a (meth)acrylate compound (C1) having a molecular weight of 180 or less; and (c) the photopolymerizable compound (C) includes a compound (C2) having a vinyl ether group and a (meth)acryloyl group in the same molecule.

Abstract: The photosensitive composition according to the present invention is a photosensitive composition including a semiconductor particle (A), a photopolymerizable compound (C) and a photopolymerization initiator (D), in which the photosensitive composition satisfies any one or more of the following (a) to (c): (a) the photosensitive composition further includes a stabilizer (E), and a content of the stabilizer (E) is 8% by mass or more based on the total amount of the photosensitive composition; (b) the photopolymerizable compound (C) includes a (meth)acrylate compound (C1) having a molecular weight of 180 or less; and (c) the photopolymerizable compound (C) includes a compound (C2) having a vinyl ether group and a (meth)acryloyl group in the same molecule.

Abstract: A display device including a blue light source (A), a wavelength conversion layer (B), and a light absorption layer (C), wherein the wavelength conversion layer (B) has a first wavelength conversion layer (B1) containing a compound (Q1) that absorbs blue and emits red light, and a second wavelength conversion layer (B2) containing a compound (Q2) that absorbs blue and emits green light, and the display device satisfies 0.7?X1 and 0.7?X2.

Abstract: Provided are a metal-based particle assembly including a plurality of metal-based particles arranged apart from each other, wherein the plurality of metal-based particles are each arranged so that an average distance between metal-based particles adjacent to each other is 1 nm or more and 1000 nm or less, and a standard deviation of the average distance is 25 nm or less; a layered body including the metal-based particle assembly; and a sensing apparatus including the layered body, a capturing layer that is arranged on the metal-based particle assembly and has a capturing substance for capturing an analyte, the analyte being labeled with a luminescent substance, a light-transmitting member, a light source that emits excitation light for exciting the luminescent substance, and a detector that detects emission from the luminescent substance.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particles are disposed such that an average distance between adjacent metal-based particles may be in a range of from 1 to 150 nm. This metal-based particle assembly presents significantly intense plasmon resonance and also allows plasmon resonance to have an effect over a range extended to a significantly large distance.

Abstract: There is provided a method for producing a metal-based particle assembly, comprising the steps of: producing a metal-based film having an average thickness equal to or smaller than 50 nm on a substrate (a first step); and morphologically changing the metal-based film through a heat treatment into a metal-based particle assembly comprising a plurality of metal-based particles mutually separated and disposed in two dimensions (a second step). The method allows a metal-based particle assembly to be produced that for example includes 30 or more metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particle assembly has in an absorption spectrum for a visible light region a maximum wavelength of a peak at a longest side in wavelength, and an absorbance at the maximum wavelength is higher as compared with that of a reference metal-based particle assembly, on the premise that the numbers of the metal-based particles are the same. The metal-based particle assembly of the present invention presents significantly intense plasmon resonance.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter of 200 to 1600 nm, an average height of 55 to 500 nm, and an aspect ratio of 1 to 8, wherein the metal-based particle assembly has in an absorption spectrum for a visible light region a maximum wavelength of a peak at a longest side in wavelength, and the maximum wavelength shifts toward a shorter side in wavelength in a range of from 30 to 500 nm as compared with that of a prescribed reference metal-based particle assembly. The metal-based particle assembly can have in an absorption spectrum a maximum wavelength of a peak at a longest side in wavelength, and the maximum wavelength is in a range of from 350 to 550 nm.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particles are disposed such that an average distance between adjacent metal-based particles may be in a range of from 1 to 150 nm. This metal-based particle assembly presents significantly intense plasmon resonance and also allows plasmon resonance to have an effect over a range extended to a significantly large distance.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particles are disposed such that an average distance between adjacent metal-based particles may be in a range of from 1 to 150 nm. This metal-based particle assembly presents significantly intense plasmon resonance and also allows plasmon resonance to have an effect over a range extended to a significantly large distance.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particles are disposed such that an average distance between adjacent metal-based particles may be in a range of from 1 to 150 nm. This metal-based particle assembly presents significantly intense plasmon resonance and also allows plasmon resonance to have an effect over a range extended to a significantly large distance.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particles are disposed such that an average distance between adjacent metal-based particles may be in a range of from 1 to 150 nm. This metal-based particle assembly presents significantly intense plasmon resonance and also allows plasmon resonance to have an effect over a range extended to a significantly large distance.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter of 200 to 1600 nm, an average height of 55 to 500 nm, and an aspect ratio of 1 to 8, wherein the metal-based particle assembly has in an absorption spectrum for a visible light region a maximum wavelength of a peak at a longest side in wavelength, and the maximum wavelength shifts toward a shorter side in wavelength in a range of from 30 to 500 nm as compared with that of a prescribed reference metal-based particle assembly. The metal-based particle assembly can have in an absorption spectrum a maximum wavelength of a peak at a longest side in wavelength, and the maximum wavelength is in a range of from 350 to 550 nm.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, in a range of from 1 to 8, wherein the metal-based particle assembly has in an absorption spectrum for a visible light region a maximum wavelength of a peak at a longest side in wavelength, and an absorbance at the maximum wavelength is higher as compared with that of a reference metal-based particle assembly, on the premise that the numbers of the metal-based particles are the same. The metal-based particle assembly of the present invention presents significantly intense plasmon resonance.

Abstract: There is provided a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter of 200 to 1600 nm, an average height of 55 to 500 nm, and an aspect ratio of 1 to 8, wherein the metal-based particle assembly has in an absorption spectrum for a visible light region a maximum wavelength of a peak at a longest side in wavelength, and the maximum wavelength shifts toward a shorter side in wavelength in a range of from 30 to 500 nm as compared with that of a prescribed reference metal-based particle assembly. The metal-based particle assembly can have in an absorption spectrum a maximum wavelength of a peak at a longest side in wavelength, and the maximum wavelength is in a range of from 350 to 550 nm.

Abstract: Provided are a metal-based particle assembly comprising 30 or more metal-based particles separated from each other and disposed in two dimensions, the metal-based particles having an average particle diameter of 200 to 1600 nm, an average height of 55 to 500 nm, and an aspect ratio, as defined by a ratio of the average particle diameter to the average height, of 1 to 8, the metal-based particle assembly having a scattering intensity ratio S1/S0 of not less than 0.15, S1 representing a scattering intensity at a maximum wavelength of a peak having a highest peak intensity in a scattering spectrum of light scattered at an angle of 30° from light incident on a surface of the metal-based particle assembly along a normal to the surface, S0 representing a scattering intensity of the peak for a reference system made of a barium sulfate layer, and an optical device including the assembly.

Abstract: There is provided an inorganic layer light-emitting device including: a light-emitting layer including an emission body made of an inorganic material; and a metal-based particle assembly layer being a layer consisting of a particle assembly including 30 or more metal-based particles separated from each other and disposed in two-dimensions, said metal-based particles having an average particle diameter in a range of from 200 to 1600 nm, an average height in a range of from 55 to 500 nm, and an aspect ratio in a range of from 1 to 8, and said metal-based particles that compose said metal-based particle assembly layer are disposed such that an average distance between adjacent metal-based particles is in a range of from 1 to 150 nm. The inorganic layer light-emitting device exhibits high luminous efficiency through emission enhancement and improvement in light extraction efficiency.

Abstract: There is provided a quantum dot light-emitting device including: a light-emitting layer containing a quantum dot luminescent material; and a metal-based particle assembly layer being a layer consisting of a particle assembly including 30 or more metal-based particles separated from each other and disposed in two-dimensions, said metal-based particles having an average particle diameter in a range of 200 to 1600 nm, an average height in a range of 55 to 500 nm, and an aspect ratio, as defined by a ratio of said average particle diameter to said average height, in a range of 1 to 8, wherein said metal-based particles that compose said metal-based particle assembly layer are disposed such that an average distance between adjacent metal-based particles may be in a range of 1 to 150 nm. The quantum dot light-emitting device provides enhanced emission via the metal-based particle assembly layer and thus presents high luminous efficiency.