Abstract: An object of the present invention is to provide a curable composition comprising a fluorescent particle containing a perovskite compound, wherein the curable composition exhibits a good quantum yield by itself; a film formed by curing the curable composition; and a laminated body and a display apparatus comprising the film. Provided are a curable composition comprising a fluorescent particle (A) containing a perovskite compound, a photopolymerizable compound (B), and a photopolymerization initiator (C), wherein the photopolymerizable compound (B) includes a (meth)acrylic compound having a log P value of 0.2 or more and 8.2 or less; a film formed by curing the curable composition; and a laminated body and a display apparatus comprising the film.

Abstract: Magnetic powder includes: an epsilon-phase iron oxide-based compound selected from ?-Fe2O3 or a compound represented by Formula (1). The magnetic powder has an average particle diameter of 8 nm to 25 nm, a ratio of Hc to Hc? of from 0.6 to 1.0, and Hc? satisfying Expression (II). Hc? represents a magnetic field at which a value of Expression (I) becomes zeroin a magnetic field-magnetization curve obtained by performing measurement at a maximum applied magnetic field of 359 kA/m, a temperature of 296 K, and a magnetic field sweeping speed of 1.994 kA/m/s. M represents magnetization and H represents applied magnetic field. Hc represents a magnetic field at which magnetization becomes zero in the magnetic field-magnetization curve. In Formula (1), A represents at least one metal element other than Fe, and a represents a number that satisfies a relationship of 0<a<2.

Abstract: A method for synthesizing carbon quantum dots (CQDs) including reacting a mixture of macroalgae and ethanol hydrothermally in an autoclave at a reaction temperature between 150 degrees Celsius (° C.) and 250° C. to form a suspension. The method further includes separating the CQDs from the suspension. The CQDs have a size of 1 to 5 nanometers (nm). The CQDs have a Stokes shift of at least 80 nm at an excitation wavelength of 270-410 nm.

Abstract: An object of the present invention is to provide a curable composition comprising a fluorescent particle containing a perovskite compound and a photopolymerizable compound, with a good dispersibility of the above semiconductor particle to the above photopolymerizable compound; a film formed by curing the curable composition; and a laminated body and a display apparatus comprising the film. Provided are a curable composition comprising a fluorescent particle (A) containing a perovskite compound, a photopolymerizable compound (B), and a dispersing agent (C), wherein the dispersing agent (C) includes at least one kind of compound selected from the group consisting of phosphoric acid compounds, carboxylic acid compounds, sulfonic acid compounds, primary to tertiary amine compounds, quaternary ammonium compounds, and thiol compounds; a film formed by curing the curable composition; and a laminated body and a display apparatus comprising the film.

Abstract: A method for synthesizing carbon quantum dots (CQDs) including reacting a mixture of macroalgae and ethanol hydrothermally in an autoclave at a reaction temperature between 150 degrees Celsius (° C.) and 250° C. to form a suspension. The method further includes separating the CQDs from the suspension. The CQDs have a size of 1 to 5 nanometers (nm). The CQDs have a Stokes shift of at least 80 nm at an excitation wavelength of 270-410 nm.

Abstract: A method for synthesizing carbon quantum dots (CQDs) including reacting a mixture of macroalgae and ethanol hydrothermally in an autoclave at a reaction temperature between 150 degrees Celsius (° C.) and 250° C. to form a suspension. The method further includes separating the CQDs from the suspension. The CQDs have a size of 1 to 5 nanometers (nm). The CQDs have a Stokes shift of at least 80 nm at an excitation wavelength of 270-410 nm.

Abstract: A method of producing bismuth oxyhalide quantum dots without heat. The method is a one-pot method that includes synthesizing bismuth oxyhalide quantum dots at room temperature. The method results in quantum dots preferably having bismuth and halide in a molar ratio of 1:1. Further, the bismuth oxyhalide quantum dots produced demonstrate excellent photocatalytic activity in the visible light spectrum and possess improved surface characteristics.

Abstract: Provided is a method of manufacturing a sulfide-based inorganic solid electrolyte material including Li, P, and S as constituent elements, the method including: a preparation step of preparing a raw material inorganic composition (A) including at least lithium sulfide, phosphorus sulfide, and a crystal nucleating agent; and a vitrification step of mechanically processing the raw material inorganic composition (A) to vitrify the raw material inorganic composition (A).

Abstract: Provided is a ferrite sintered magnet including a ferrite phase having a magnetoplumbite-type crystal structure. x, y, and m satisfy the following Equations (1), (2), and (3) when composition of the ferrite sintered magnet is represented by R1-xAxFem-yCoy, where R denotes at least one kind of element selected from rare earth elements including Y and A denotes Ca or Ca and elements including at least one kind selected from Sr or Ba. The content of B in the ferrite sintered magnet is from 0.1% to 0.6% by mass in terms of B2O3. 0.2?x?0.8??(1) 0.1?y?0.

Abstract: A thermoelectric nanocomposite including porous carbonaceous particles, electrically conductive carbon nanotubes, and a binder. The porous carbonaceous particles contain 88.5 to 96.45 wt % carbon, 1.0 to 3.0 wt % oxygen, 2.5 to 7.5 wt % sulfur, and 0.05 to 1.0 wt % vanadium. The thermoelectric nanocomposite has a thermoelectric figure of merit ZT of 0.018 to 0.026 at 293 K and 0.016 to 0.024 at 393 K, a power factor of 10 to 14.0 ?w/mK2 at 233 K and greater than 14.0 to 18 ?W/mK2 at 393 K, and a Seebeck value of 24 to 27 ?V/K at 233 K and 30 to 34 ?V/K at 393 K. The thermoelectric nanocomposite may include milled, acid-treated oil fly ash. Also, a method of forming the thermoelectric nanocomposite. The thermoelectric nanocomposite may be used in a thermoelectric device.

Abstract: A quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: A1 is an anchoring group linked to the surface of the nanoparticle, and A1 may be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

Abstract: A double fluorescent particle comprises: a core with a first fluorescence; and a molecularly imprinted polymer (MIP) shell with a second fluorescence; wherein the MIP is an organic polymer comprising elements selected from the group consisting of: C, H, O, N, P, and S; wherein the MIP is adapted to selectively bind to a cell surface structure; wherein the first fluorescence is generated by an entity selected from the group consisting of: a carbon nanodot, an alkaline earth metal fluoride, a dye-doped polymer, a dye-doped stabilized micelle, a P-dot—i.e.

Abstract: A semiconductor nanoparticle aggregate that is an aggregate of core/shell type semiconductor nanoparticles including a core including In and P and a shell having one or more layers, in which a peak wavelength of an emission spectrum of the semiconductor nanoparticle aggregate is from 605 nm to 655 nm and a full width at half maximum of the emission spectrum is 43 nm or less. For each semiconductor nanoparticle, (1) an average value of a full width at half maximum of an emission spectrum is 28 nm or less, (2) a standard deviation of a peak wavelength of the emission spectrum is 10 nm or more and 30 nm or less, and (3) a standard deviation of the full width at half maximum of the emission spectrum is 12 nm or less.

Abstract: A semiconductor nanoparticle complex in which two or more ligands including an aliphatic ligand and a polar ligand are coordinated to a surface of a semiconductor nanoparticle, wherein: the ligands are composed of an organic group and a coordinating group; in the aliphatic ligand, the organic group is an aliphatic hydrocarbon group; the polar ligand includes a hydrophilic functional group in the organic group; a mass ratio of the aliphatic ligand to the polar ligand (aliphatic ligand/polar ligand) is 0.05 to 1.00; a ratio ({(XH)/L}×100) of a mass reduction rate of the semiconductor nanoparticle complex in a range of 350° C. or higher and 550° C. or lower in a thermogravimetric analysis (XH) to a mass fraction of all ligands in the semiconductor nanoparticle complex at room temperature (L) is 10 or more and 55 or less.

Abstract: Provided is a method for producing a semiconductor nanoparticle including preparing a mixture containing a Ag salt, a salt containing at least one of In and Ga, and an organic solvent; raising the temperature of the mixture to a raised temperature in a range of from 120° C. to 300° C.; and adding a supply source of S to the mixture at the raised temperature in such a manner that a ratio of a number of S atoms to a number of Ag atoms in the mixture increases at a rate of not more than 10/min.

Abstract: A quantum dot material may include a quantum dot having at least two ligand where each ligand includes a first and a second functional group bound to each other by a bridge. The bridge may include a system of conjugated double bonds. In at least one ligand, the second functional group may have an electron transport structure. In at least one ligand, the second functional group may have a hole transport structure.

Abstract: Disclosed by the present disclosure are Group II-III-V-VI quantum dots, preparation method therefore and quantum dot optoelectric device. The method for preparing Group II-III-V-VI quantum dots includes the following steps: S1, providing a first solution containing Group III-V quantum dot cores, or providing a second solution containing II-III-V quantum dot cores; S2, adding a second supplementary liquid to the first solution, or adding a first supplementary liquid to the second solution, and reacting to obtain Group II-III-V-VI quantum dot cores; wherein reacting a first mixture including a precursor of a first Group III element, a precursor of a first Group V element and a solvent at a temperature of 40˜100° C. and then adding a precursor of a first Group VI element and reacting to obtain the first supplementary liquid; or reacting a second mixture including a precursor of a first Group II element, a first Group III element, a precursor of a first Group V element and a solvent at a temperature of 40˜100° C.

Abstract: The invention pertains to the field of nanotechnology. The disclosure provides nanostructure compositions comprising (a) at least one organic solvent; (b) at least one population of nanostructures comprising a core and at least one shell, wherein the nanostructures comprise inorganic ligands bound to the surface of the nanostructures; and (c) at least one poly(alkylene oxide) additive. The nanostructure compositions comprising at least one poly(alkylene oxide) additive show improved solubility in organic solvents. And, the nanostructure compositions show increased suitability for use in inkjet printing. The disclosure also provides methods of producing emissive layers using the nanostructure compositions.

Abstract: A quantum dot according to an embodiment includes a core including a first semiconductor nanocrystal including zinc, selenium, and tellurium and a semiconductor nanocrystal shell on the core, the semiconductor nanocrystal shell including a zinc chalcogenide, wherein the quantum dot does not include cadmium, the zinc chalcogenide includes zinc and selenium, the quantum dot further includes gallium and a primary amine having 5 or more carbon atoms, and the quantum dot is configured to emit light having a maximum emission peak in a range of greater than about 450 nanometers (nm) and less than or equal to about 480 nm by excitation light. A method of producing the quantum dot and an electronic device including the same are also disclosed.

Abstract: A quantum dot including a core including a quaternary alloy semiconductor nanocrystal and not including cadmium, a composition and a quantum dot polymer composite including the same, and an electronic device including the same. The quaternary alloy semiconductor nanocrystal comprises indium (In), phosphorous (P), zinc (Zn), and selenium (Se), and in the core, a ratio of the zinc with respect to the indium is less than or equal to about 0.5:1 and in the core, a ratio of selenium with respect to zinc is less than or equal to about 0.6:1.