Abstract: It relates to forsterite particles containing molybdenum. It also relates to a method for producing the forsterite particles. The method includes firing a magnesium compound and silicon or a silicon compound in the presence of a molybdenum compound.

Abstract: Provided are a copper-chromium oxide spinel, and a resin composition and a resin molded article containing the copper-chromium oxide spinel. Specifically, provided is a copper-chromium oxide spinel with a particle size distribution spread SPAN=(D90?D10)/D50 of 2 or less where, in volume-converted particle size distribution obtained by a laser diffraction and scattering method, particle sizes with a cumulative frequency from a smaller particle size side of 10%, 50%, and 90% are D10, D50, and D90, respectively.

Abstract: Niobate particles include molybdenum and are represented by KxNa(1-x)NbyOz, where X=0 to 1, y=1 to 10, and z=3 to 20. Preferably, the niobate particles are niobate particles including at least one selected from the group consisting of KxNa(1-x)NbO3 particles having a cubic shape, K2Nb4O11 particles having a columnar shape, a wire shape, or a ribbon shape, K4Nb6O17 particles having a plate shape, and KNb3O8 particles having a columnar shape, a wire shape, or a ribbon shape.

Abstract: An ink composition that contains light-emitting nanocrystalline particles, a photopolymerizable component containing at least one photopolymerizable compound and having a Hansen solubility parameter ?p of 3.0 MPa0.5 or more, and a phosphite compound with a partial structure represented by the following formula (1). [In the formula (1), X1 to X3 independently denote an oxygen atom or a sulfur atom, R1 denotes an alkyl group, and * denotes a bonding arm.

Abstract: To provide a method for recovering a molybdenum compound that can obtain molybdenum oxide powder having a high purity and a large specific surface area from a molybdenum component-containing solution. The method including: precipitating, in a molybdenum component-containing solution, a molybdate represented by AxMoyO3y+z (1) (in the formula (1), A represents an element selected from Group 4, Group 8, Group 12, Group 13, and Group 14; 3y+z represents the number of oxygen atoms contained in the molybdate; and z represents the number of ½ the valence number of A×x); firing including producing an oxide represented by AOz (2) (in the formula (2), A is the same as A in the formula (1); and z represents the number of oxygen atoms that combine with A in the formula (2) to produce an oxide) and producing vapor containing molybdenum trioxide, by thermally decomposing the molybdate; cooling; and recovering.

Abstract: It relates to zirconia particles containing molybdenum and each having a polyhedron shape. The molybdenum is preferably unevenly distributed in surface layers of the zirconia particles. It also relates to a method for producing the zirconia particles. The method includes mixing a zirconium compound and a molybdenum compound to form a mixture and firing the mixture.

Abstract: Gadolinia particles containing molybdenum. A method for producing the gadolinia particles, including calcining a gadolinium compound in the presence of a molybdenum compound.

Abstract: A molybdenum sulfide powder according to the invention contains molybdenum disulfide having a 3R crystal structure. A heavy-metal adsorbent according to the invention contains molybdenum sulfide particles, and the molybdenum sulfide particles have a median diameter D50 of 10 nm to 1,000 nm obtained by a dynamic light scattering type particle diameter distribution measuring device. A photothermal conversion material according to the invention contains a material containing molybdenum sulfide particles and generates heat by absorbing light energy.

Abstract: A hydrogen generation catalyst according to a first aspect of the present invention contains a molybdenum sulfide powder containing molybdenum disulfide having a 3R crystal structure. A hydrogen generation catalyst according to a second aspect of the present invention contains a metal-doped molybdenum sulfide powder containing a doping metal in Groups 3 to 13 and molybdenum disulfide having a 3R crystal structure.

Abstract: A molybdenum compound is represented by a general formula MoXa (in the formula, X is a Group 14 element, a Group 15 element, or a Group 16 element, and a is 0.5, 1, or 2), has the number of functional groups per unit area of 10 per nm2 or less when X is the Group 14 element in the general formula MoXa, has the number of functional groups per unit area of 100 per nm2 or less when X is the Group 15 element or the Group 16 element in the general formula MoXa, and has a particle diameter of 10 nm or more and less than 1,000 nm.

Abstract: Gallia particles containing molybdenum. A method for producing the gallia particles, including calcining a gallium compound in the presence of a molybdenum compound.

Abstract: A hydrogen generation catalyst according to a first aspect of the present invention contains a molybdenum sulfide powder containing molybdenum disulfide having a 3R crystal structure. A hydrogen generation catalyst according to a second aspect of the present invention contains a metal-doped molybdenum sulfide powder containing a doping metal in Groups 3 to 13 and molybdenum disulfide having a 3R crystal structure.

Abstract: It relates to zirconia particles containing molybdenum and each having a polyhedron shape. The molybdenum is preferably unevenly distributed in surface layers of the zirconia particles. It also relates to a method for producing the zirconia particles. The method includes mixing a zirconium compound and a molybdenum compound to form a mixture and firing the mixture.

Abstract: There is provided an ink composition that can form a color filter pixel unit with high external quantum efficiency. An ink composition containing light-emitting nanocrystal particles, light-diffusing particles, and at least two monomers with an ethylenically unsaturated group, wherein the at least two monomers include two monomers with Hansen solubility parameters ?d, ?p, and ?h that satisfy the following conditions: 16.0 MPa0.5??d<18.0 MPa0.5; 2.5 MPa0.5??p<5.5 MPa0.5; 2.5 MPa0.5??h<8.0 MPa0.5.

Abstract: Provided is a molybdenum sulfide that is ribbon-shaped and particularly suitable for a hydrogen generation catalyst. Disclosed are a ribbon-shaped molybdenum sulfide, in which 50 particles as measured by observation with a scanning electron microscope (SEM) have a shape of, on average, 500 to 10000 nm in length, 10 to 1000 nm in width, and 3 to 200 nm in thickness; a method for producing the ribbon-shaped molybdenum sulfide, including: (1) heating a molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; or (2) heating a molybdenum oxide at a temperature of 100 to 800° C. in the absence of a sulfur source, and then heating the molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; and a hydrogen generation catalyst including the ribbon-shaped molybdenum sulfide.

Abstract: The present invention provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of ?1.5 to 7.0. The present invention also provides an ink composition containing light-emitting nanocrystal particles and a photopolymerizable compound, wherein the photopolymerizable compound has a Log P value in the range of ?1.0 to 6.5, and the ink composition has a water (H2O) content of 90 ppm or less measured with a Karl Fischer moisture meter. The present invention also provides a light conversion layer including a plurality of pixel units, wherein the plurality of pixel units include a pixel unit containing a cured product of the ink composition, and the light conversion layer is formed of the cured product of the ink composition. The present invention also provides a color filter including the light conversion layer.

Abstract: A molybdenum sulfide powder according to the invention contains molybdenum disulfide having a 3R crystal structure. A heavy-metal adsorbent according to the invention contains molybdenum sulfide particles, and the molybdenum sulfide particles have a median diameter Dso of 10 nm to 1,000 nm obtained by a dynamic light scattering type particle diameter distribution measuring device. A photothermal conversion material according to the invention contains a material containing molybdenum sulfide particles and generates heat by absorbing light energy.

Abstract: An ink composition that contains light-emitting nanocrystalline particles, a photopolymerizable component containing at least one photopolymerizable compound and having a Hansen solubility parameter ?p of 3.0 MPa0.5 or more, and a phosphite compound with a partial structure represented by the following formula (1). [In the formula (1), X1 to X3 independently denote an oxygen atom or a sulfur atom, R1 denotes an alkyl group, and * denotes a bonding arm.

Abstract: Provided is a molybdenum sulfide that is ribbon-shaped and particularly suitable for a hydrogen generation catalyst. Disclosed are a ribbon-shaped molybdenum sulfide, in which 50 particles as measured by observation with a scanning electron microscope (SEM) have a shape of, on average, 500 to 10000 nm in length, 10 to 1000 nm in width, and 3 to 200 nm in thickness; a method for producing the ribbon-shaped molybdenum sulfide, including: (1) heating a molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; or (2) heating a molybdenum oxide at a temperature of 100 to 800° C. in the absence of a sulfur source, and then heating the molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; and a hydrogen generation catalyst including the ribbon-shaped molybdenum sulfide.

Abstract: There is provided an ink composition that can form a color filter pixel unit with high external quantum efficiency. An ink composition containing light-emitting nanocrystal particles, light-diffusing particles, and at least two monomers with an ethylenically unsaturated group, wherein the at least two monomers include two monomers with Hansen solubility parameters ?d, ?p, and ?h that satisfy the following conditions: 16.0 MPa0.5??d<18.0 MPa0.5; 2.5 MPa0.5??p<5.5 MPa0.5; 2.5 MPa0.5??h<8.0 MPa0.