Abstract: A light emitting device is disclosed. In an embodiment a light-emitting device includes a pixel comprising at least three sub-pixels, wherein the at least three sub-pixel include a first sub-pixel including a first conversion element, wherein the first conversion element includes a green phosphor, a second sub-pixel including a second conversion element, wherein the second conversion element includes a red phosphor and a third sub-pixel free of a conversion element, wherein the third sub-pixel is configured to emit blue primary radiation, wherein each sub-pixels has an edge length of at most 100 ?m, and wherein the pixel is a linear chain of sub-pixels and a plurality of pixels is arranged in a two dimensional ordered pattern so that a first sub-pixel is never adjacent to a third sub-pixel in a vertical direction and in a horizontal direction of the ordered pattern.

Abstract: A light emitting device is disclosed. In an embodiment a light-emitting device includes a pixel comprising at least three sub-pixels, wherein a first sub-pixel includes a first conversion element having a green phosphor, wherein a second sub-pixel includes a second conversion element having a red phosphor and wherein a third sub-pixel is free of a conversion element, the third sub-pixel configured to emit blue primary radiation, wherein each sub-pixel has an edge length of at most 100 ?m, and wherein the light-emitting device is configured to enhance a gamut coverage of an emitted radiation.

Abstract: An optoelectronic device has an electron transport layer, an active layer, and a hole transport layer. Each of the electron transport layer, the active layer, and the hole transport layer has quantum dots.

Abstract: A condensed cyclic compound represented by Formula 1: wherein in Formula 1, a1, a2, Ar1, Ar2, R1, and R2 are the same as described in the specification.

Abstract: Provided is a solar cell comprising a first electrode; a second electrode; a perovskite photoabsorber layer located between the first electrode and the second electrode; a first semiconductor layer located between the first electrode and the photoabsorber layer; and a second semiconductor layer located between the second electrode and the photoabsorber layer. At least one electrode selected from the group consisting of the first electrode and the second electrode is light-transmissive. The first semiconductor layer contains Li. The second semiconductor layer contains LiN(SO2CF3)2. The second semiconductor layer contains poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine]. In the second semiconductor layer, a molar ratio of LiN(SO2CF3)2 to poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine] is not less than 0.15 and not more than 0.26.

Abstract: Materials and methods for preparing Cu2XSnY4 nanoparticles, wherein X is Zn, Cd, Hg, Ni, Co, Mn or Fe and Y is S or Se, (CXTY) are disclosed herein. The nanoparticles can be used to make layers for use in thin film photovoltaic (PV) cells. The CXTY materials are prepared by a colloidal synthesis in the presence of labile organo-chalcogens. The organo-chalcogens serves as both a chalcogen source for the nanoparticles and as a capping ligand for the nanoparticles.

Abstract: A charge-transporting varnish including charge-transporting material comprising N,N?-diaryl benzidine derivatives represented by formula (1), a charge-accepting dopant comprising heteropoly acid, and an organic solvent. [In the formula, R1 to R8 independently represent hydrogen, a halogen, an alkyl having 1 to 20 carbon atoms, an alkenyl having 2 to 20 carbon atoms or an alkynyl having 2 to 20 carbon atoms; and Ar1 and Ar2 independently represent groups represented by formulas (2) or (3). (In the formula, R9 to R18 independently represent hydrogen, a halogen, an alkyl having 1 to 20 carbon atoms, an alkenyl having 2 to 20 carbon atoms or an alkynyl having 2 to 20 carbon atoms; and X1 and X2 independently represent hydrogen, a halogen, an alkyl having 1 to 20 carbon atoms, an alkenyl having 2 to 20 carbon atoms, an alkynyl having 2 to 20 carbon atoms, diphenylamino, 1-naphthylphenylamino, 2-naphthylphenylamino, di(1-naphthyl)-amino, and di(2-naphthyl)-amino or 1-naphthyl-2-naphtylamino.

Abstract: A solution contains a functional material for constituting a function layer, and a solvent. The solvent contains a high-boiling-point solvent composed of one or more solvent components having a boiling point of not less than 200° C. The high-boiling-point solvent has a viscosity of from 13 mPa·s to 25 mPa·s, inclusive, and a surface tension of from 33 mN/m to 37 mN/m, inclusive.

Abstract: According to one embodiment, a magnetic recording medium includes a substrate, an underlayer positioned above the substrate, a magnetic recording layer positioned above the underlayer, and a plurality of conductive polymers dispersed within at least one of the substrate, the underlayer and the magnetic recording layer.

Abstract: Multifunctional Boron Nitride nanotube-Boron Nitride (BN—BN) nanocomposites for energy transducers, thermal conductors, anti-penetrator/wear resistance coatings, and radiation hardened materials for harsh environments. An all boron-nitride structured BN—BN composite is synthesized. A boron nitride containing precursor is synthesized, then mixed with boron nitride nanotubes (BNNTs) to produce a composite solution which is used to make green bodies of different forms including, for example, fibers, mats, films, and plates. The green bodies are pyrolized to facilitate transformation into BN—BN composite ceramics. The pyrolysis temperature, pressure, atmosphere and time are controlled to produce a desired BN crystalline structure. The wholly BN structured materials exhibit excellent thermal stability, high thermal conductivity, piezoelectricity as well as enhanced toughness, hardness, and radiation shielding properties.

Abstract: Provided is a wound dressing including a wound pad of absorbent material having a first side and a second side opposite thereto, a backing layer covering the wound pad on the first side thereof an adhesive layer for attaching the dressing to skin. The backing layer has at least one conductive region and consists of plastic film.

Abstract: Organic dye for a dye-sensitized solar cell (DSSC) comprising at least one electron-acceptor unit and at least one ?-conjugated unit. Said organic dye is particularly useful in a dye-sensitized photoelectric transformation element which, in its turn, can be used in a dye-sensitized solar cell (DSSC).

Abstract: Copper(II) acetate, zinc(II) acetate, and tin(IV) acetate are weighed so that the total amount of metal ions is 2.0×10?4 mol and the molar ratio of ions is Cu:Zn:Sn=2:1:1, and 2.0 cm3 of oleylamine is added to prepare a mixed solution. Apart from this, 1.0 cm3 of oleylamine is added to 2.0×10?4 mol of sulfur powder to prepare a mixed solution. These mixed solutions are separately heated at 60° C. and mixed at room temperature. The pressure in a test tube is reduced, followed by nitrogen filling. The test tube is heated at 240° C. for 30 minutes and then allowed to stand until room temperature. The resultant product is separated into a supernatant and precipitates by centrifugal separation. The separated supernatant is filtered, methanol is added to produce precipitates. The precipitates are dissolved by adding chloroform to prepare a semiconductor nanoparticle solution.

Abstract: Provided is a method for preparing an aqueous dispersion of metal nanoparticles having superior dispersibility and being sinterable at low temperature by modifying the surface of metal nanoparticles having hydrophobic groups with hydrophilic groups. Specifically, by treating the surface hydrophobic groups of the metal nanoparticles with a surface modification solution containing a surfactant and a wetting-dispersing agent, the treatment throughput can be improved about 10-fold and the particles can be monodispersed without agglomeration. Further, by using an antioxidant and a ligand removal agent in the solution, denaturation and oxidation of the particles can be prevented and the high-boiling-point hydrophobic ligands can be eliminated effectively. The hydrophilically treated metal nanoparticles may be dispersed in an aqueous-based solvent to prepare a metal ink sinterable at low temperature.

Abstract: A metal circuit structure, a method for forming a metal circuit and a liquid trigger material for forming a metal circuit are provided. The metal circuit structure includes a substrate, a first trigger layer and a first metal circuit layer. The first trigger layer is disposed on the substrate and includes a first metal circuit pattern. The first metal circuit layer is disposed on the first circuit pattern and is electrically insulated from the substrate. The composition of the first trigger layer includes an insulating gel and a plurality of trigger particles. The trigger particles are at least one of organometallic particles, a chelation and a semiconductor material having an energy gap greater than or equal to 3 eV. The trigger particles are disposed in the insulating gel, such that the dielectric constant of the first trigger layer after curing is between 2 and 6.5.

Abstract: [Object] To improve heat stability of diethylzinc which is used for a catalyst of polymerizing, an organic synthetic reaction reagent and a raw materials for providing a zinc film by MOCVD. And to offer the diethylzinc composition being superior in heat stability, even if it handles for a long term a metal zinc particle does not precipitate. [Solving Means] Use a diethylzinc composition added a compound which is added an aromatic compound as an additive which has isopropenyl group bonded as a side chain.

Abstract: The present invention aims to provide a sulfide semiconductor-forming coating liquid capable of easily forming a sulfide semiconductor having a large area, the sulfide semiconductor being useful as a semiconductor material for photoelectric conversion materials. The present invention also aims to provide a sulfide semiconductor thin film produced using the sulfide semiconductor-forming coating liquid; and a thin film solar cell. The present invention provides a sulfide semiconductor-forming coating liquid, the coating liquid containing a complex containing a metal element of group 15 of the periodic table and sulfur.

Abstract: The present invention relates to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with a quinolinium dye having a fluorinated counteranion. Moreover the present invention relates to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel quinolinium dyes having a fluorinated counteranion.

Abstract: A method for formulating a CIGS nanoparticle-based ink, which can be processed to form a thin film with a crack-free limit (CFL) of 500 nm or greater, comprises: dissolving or dispersing Cu(In,Ga)S2 and Cu(In,Ga)Se2 nanoparticles; mixing the nanoparticle solutions/dispersions and adding oleic acid to form an ink; depositing the ink on a substrate; annealing to remove the organic components of the ink formulation; forming a film with a CFL ?500 nm; and, repeating the deposition and annealing process to form a CIGS film having a thickness ?1 ?m. The film so produced may be incorporated into a thin film photovoltaic device.

Abstract: A method of recycling a solution, the method including: filtering a solution used in chemical bath deposition; reinflowing the filtered solution to a bath; and inflowing an alkali solution to the bath to maintain a concentration of an alkaline material in the filtered solution in a range of about 1.0 M to about 3.5 M, is disclosed. A solar cell formed by the method and a deposition apparatus are also disclosed. By the method of recycling a solution, a solar cell including a buffer layer formed with a solution which has been used multiple times may be formed to have an efficiency almost the same as that of a solar cell including a buffer layer formed with a solution provided for the first time before filtering.

Abstract: According to the present invention, a metal nanoparticle dispersion suitable to multiple layered coating by jetting in the form of fine droplets is prepared by dispersing metal nanoparticles having an average particle size of 1 to 100 nm in a dispersion solvent having a boiling point of 80° C. or higher in such a manner that the volume percentage of the dispersion solvent is selected in the range of 55 to 80% by volume and the fluid viscosity (20° C.) of the dispersion is chosen in the range of 2 mPa·s to 30 mPa·s, and then when the dispersion is discharged in the form of fine droplets by inkjet method or the like, the dispersion is concentrated by evaporation of the dispersion solvent in the droplets in the course of flight, coming to be a viscous dispersion which can be applicable to multi-layered coating.

Abstract: A semiconductor nanocrystal composition including a semiconductor nanocrystal, an organic additive, and at least one polymerizable substance selected from a polymerizable monomer, a polymerizable oligomer, and a combination thereof, wherein the composition has haze of greater than or equal to about 40% after polymerization.

Abstract: A composition for forming an n-type diffusion layer includes a glass powder containing P2O5, SiO2 and CaO and a dispersion medium. An n-type diffusion layer and a photovoltaic cell element having an n-type diffusion layer are produced by applying the composition for forming an n-type diffusion layer on a semiconductor substrate and by subjecting the substrate to a thermal diffusion treatment.

Abstract: Metal nanoparticles having improved migration resistance are provided. The present invention relates to a method for manufacturing composite nanoparticles including obtaining composite nanoparticles containing at least silver and copper in a single particle by heat treating a mixture containing an organic silver compound and an organic copper compound at a temperature of 150° C. or more in a non-oxidative atmosphere in the presence of a tertiary amine compound represented by the general formula R1R2R3N (wherein R1 through R3 are optionally substituted alkyl groups or aryl groups that may be the same or different, R1 through R3 may be linked in a ring, and the number of carbon atoms in each of R1 through R3 is 5 through 18 and may be the same or different).

Abstract: An aluminum paste comprising particulate aluminum, an organic vehicle and glass frit selected from (i) lead-free glass frits with a softening point temperature in the range of 550 to 611° C. and containing 11 to 33 wt.-% of SiO2, >0 to 7 wt.-% of Al2O3 and 2 to 10 wt.-% of B2O3 and (ii) lead-containing glass frits with a softening point temperature in the range of 571 to 636° C. and containing 53 to 57 wt.-% of PbO, 25 to 29 wt.-% of SiO2, 2 to 6 wt.-% of Al2O3 and 6 to 9 wt.-% of B2O3, useful in the production of aluminum back electrodes of PERC silicon solar cells.

Abstract: A method of producing a metal chalcogenide dispersion usable in forming a light absorbing layer of a solar cell, the method including: a metal chalcogenide nano particle formation step in which at least one metal or metal compound selected from the group consisting of a group 11, 12, 13, 14 or 15 metal or metal compound, a water-containing solvent and a group 16 element-containing compound are mixed together to obtain metal chalcogenide nano particles; and an addition step in which a compound (1) represented by general formula (1) is added to the metal chalcogenide nano particles, thereby obtaining a metal chalcogenide dispersion (wherein R1 to R4 each independently represents an alkyl group, an aryl group or a hydrogen atom; provided that at least one of R1 to R4 represents a hydrocarbon group).

Abstract: The present invention provides a semiconductor crystal comprising a semiconductor material having a tuned band gap energy, and methods for preparation thereof. More particularly, the invention provides a semiconductor crystal comprising a semiconductor material and amino acid molecules, peptides, or a combination thereof, incorporated within the crystal lattice, wherein the amino acid molecules, peptides, or combination thereof tune the band gap energy of the semiconductor material.

Abstract: In a manufacturing process of a positive electrode active material for a power storage device, which includes a lithium silicate compound represented by a general formula Li2MSiO4, heat treatment is performed at a high temperature on a mixture material, grinding treatment is performed, a carbon-based material is added, and then heat treatment is performed again. Therefore, the reactivity between the substances contained in the mixture material is enhanced, favorable crystallinity can be obtained, and further microparticulation of the grain size of crystal which is grown larger by the high temperature treatment and crystallinity recovery are achieved; and at the same time, carbon can be supported on the surfaces of particles of the crystallized mixture material. Accordingly, a positive electrode active material for a power storage device, in which electron conductivity is improved, can be manufactured.

Abstract: Use of 2-((1-methylpropyl)amino)ethanol as an additive in an aqueous suspension, containing from 25 to 62 vol. % of at least one calcium carbonate-comprising material, wherein the use provides improved stability with regard to the conductivity of the suspension.

Abstract: A non-catalytic palladium precursor composition is disclosed, including a palladium salt and an organoamine, wherein the composition is substantially free of water. The composition permits the use of solution processing methods to form a palladium layer on a wide variety of substrates, including in a pattern to form circuitry or pathways for electronic devices.

Abstract: A photoelectric conversion element which is obtained by having a thin film of fine oxide semiconductor particles support a methine-based dye that is represented by formula (1), said thin film being provided on a substrate.

Abstract: There are provided a microcapsular quantum dot-polymer composite, a method for producing the composite, optical elements, and a method for producing the optical elements. In order to produce the microcapsular quantum dot-polymer composite, a polymer having a functional group in the side chain is firstly heated in a first solvent to form a polymer solution. A quantum dot suspension consisting of quantum dots capped by a capping layer dispersed in a second solvent is added to the polymer solution to form a mixed solution. The mixed solution is cooled to form the quantum dot-polymer composite consisting of the quantum dots dispersed in the polymer matrix.

Abstract: The present invention relates to novel formulations comprising an organic semiconductor (OSC) and one or more organic solvents. The formulation comprises a dimethyl anisole solvent. Furthermore, the present invention describes the use of these formulations as inks for the preparation of organic electronic (OE) devices, especially organic photovoltaic (OPV) cells and OLED devices, to methods for preparing OE devices using the novel formulations, and to OE devices, OLED devices and OPV cells prepared from such methods and formulations.

Abstract: The present invention relates to the field of organic electronics, such as OLEDs, OPVs and organic photo detectors. It particularly provides intermediates and materials suitable for manufacturing such organic electronics, to specific manufacturing methods and to specific uses.

Abstract: A method for producing a nickel-containing surface coating that is metallic and conductive is provided. The method includes contacting a surface of a substrate with a liquid composition that includes nickel oxide nanoparticles, and modifying the nickel oxide nanoparticles to produce a nickel-containing metallic and conductive surface coating on the surface of the substrate. Also provided are nickel-containing (e.g., NiO and Ni containing) surface coatings and methods for making a liquid composition that includes nickel oxide nanoparticles. The methods and compositions find use in a variety of different applications.

Abstract: The present invention provides novel ink formulations based on metal salts and metal complexes.

Abstract: Disclosed are a titanium dioxide nano ink having such a strong dispersibility as to be applicable by inkjet printing and having adequate viscosity without requiring printing several times, and a titanium dioxide nano particle modified by a surface stabilizer included therein. Inkjet printing of the titanium dioxide nano ink enables printing of a minute electrode. In addition, efficiency of a solar cell may be maximized since occurrence of pattern cracking is minimized.

Abstract: The present invention is directed to an electrophoretic display fluid, in particular, pigment particles dispersed in a solvent or solvent mixture, and methods for their preparation. The pigment particles generated, according to the present invention, are stable in solvent under an electric field and can improve the performance of an electrophoretic display.

Abstract: A method of producing a metal chalcogenide dispersion usable in forming a light absorbing layer of a solar cell, the method including: a metal chalcogenide nano particle formation step in which at least one metal or metal compound selected from the group consisting of a group 11, 12, 13, 14 or 15 metal or metal compound, a water-containing solvent and a group 16 element-containing compound are mixed together to obtain metal chalcogenide nano particles; and an addition step in which a compound (1) represented by general formula (1) is added to the metal chalcogenide nano particles, thereby obtaining a metal chalcogenide dispersion (wherein R1 to R4 each independently represents an alkyl group, an aryl group or a hydrogen atom; provided that at least one of R1 to R4 represents a hydrocarbon group).

Abstract: The present invention relates to a ceramic-coated heater in which the outer surface of a heater rod is coated with ceramic to improve the physical properties thereof including durability, corrosion resistance, and the like, thereby enabling the heater to be used in water or air. The outer surface of the heater rod is coated with a ceramic composition to which an acrylic corrosion resistant wax is added, thereby strengthening the bonding force of the coating layer film, and thus improving the physical properties thereof including durability, corrosion resistance, and the like to enable the heater to be used in water. Therefore, the ceramic-coated heater of the present invention enables high thermal conductivity using less current and reduces energy consumption so that it can be utilized in a wide variety of industrial fields.

Abstract: An oxygen source-containing composite nanometal paste including at least composite nanometal particles, in which an organic coating layer is formed around a submicron or smaller silver core, and an oxygen source, which feeds oxygen contributing to pyrolysis at a pyrolysis temperature range in which the organic coating layer is pyrolyzed. The oxygen source comprises an oxygen-containing metal compound, and the oxygen content of the oxygen source is within a range of 0.01 mass % to 2 mass % per 100 mass % of the composite nanometal particles.

Abstract: The present invention aims to provide an organic thin-film solar cell that has a high photoelectric conversion efficiency, little dispersion in the photoelectric conversion efficiency in a photoelectric conversion layer, and excellent durability. The present invention is an organic thin-film solar cell including a photoelectric conversion layer, wherein the photoelectric conversion layer includes a portion containing a sulfide of a Group 15 element in the periodic table and a portion containing an organic semiconductor having a molecular weight of less than 10,000, and the portion containing a sulfide of a Group 15 element in the periodic table and the portion containing an organic semiconductor having a molecular weight of less than 10,000 contact with each other.

Abstract: The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 1 bar to 10 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method, a supercritical hydrothermal synthesis method and a glycothermal synthesis method, a reaction may be performed under a relatively lower pressure. Thus, a high temperature/high pressure reactor is not necessary and process safety and economic feasibility may be secured. In addition, a lithium iron phosphate nanopowder having uniform particle size and effectively controlled particle size distribution may be easily prepared.

Abstract: The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a triethanolamine solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 10 bar to 100 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method and a supercritical hydrothermal synthesis method, a reaction may be performed under a relatively lower pressure. When compared to a common glycothermal synthesis method, a lithium iron phosphate nanopowder having effectively controlled particle size and particle size distribution may be easily prepared.

Abstract: The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a triethanolamine solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 1 bar to 10 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method, a supercritical hydrothermal synthesis method and a glycothermal synthesis method, a reaction may be performed under a relatively lower pressure. Thus, a high temperature/high pressure reactor is not necessary and process safety and economic feasibility may be secured. In addition, a lithium iron phosphate nanopowder having uniform particle size and effectively controlled particle size distribution may be easily prepared.

Abstract: The invention relates to a method for preparing a colloidal nanoparticle solution, including: (a) dissolving a titanium-oxide precursor, referred to as a precursor, in one or more solvents, referred to as precursor solvents; and (b) chemically converting, preferably by means of hydrolysis, said titanium-oxide precursor and said precursor solvent into a colloidal-solution solvent so as to form titanium-oxide nanoparticles that are dispersed in the colloidal-solution solvent, said colloidal solution having a dynamic viscosity of between 4 and 54 cP at 20° C. and 101,325 Pa. The invention also relates to a colloidal titanium-oxide nanoparticle solution containing a dispersion of titanium-oxide nanoparticles in a solvent or system of solvents, the viscosity of which is between 4 and 54 cP, said solution being particularly obtainable according to the method of the invention, as well as to the uses thereof, in particular for preparing photovoltaic cells.

Abstract: The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, and (b) putting the mixture solution into a reactor and heating to prepare the lithium iron phosphate nanopowder under pressure conditions of 10 bar to 100 bar, and a lithium iron phosphate nanopowder prepared by the method. When compared to a common hydrothermal synthesis method and a supercritical hydrothermal synthesis method, a reaction may be performed under a relatively lower pressure. When compared to a common glycothermal synthesis method, a lithium iron phosphate nanopowder having effectively controlled particle size and particle size distribution may be easily prepared.

Abstract: A method of preparing an aqueous dispersion comprising silver particles of mean diameter from 0.5 to 25 nm by weight and an aqueous carrier liquid, including the steps of i) providing a mixture comprising at least one silver salt, aqueous carrier liquid and a stabiliser for the particles ii) contacting the mixture with a non-ionic or covalent reducing agent to form a reaction mixture iii) causing the at least one silver salt to react with the reducing agent to form a dispersion comprising silver particles and acid wherein step iii) is partly or completely performed in the presence of anion exchange resin whereby the acid is exchanged for a hydroxide ion from the resin and/or is sorbed by the resin.

Abstract: Provided is a composition for forming tin oxide semiconductor including a tin precursor compound, an antimony precursor compound, and a solvent, according to an aspect of the present disclosure. Also provided is a method of forming a tin oxide semiconductor thin film. The method includes preparing a composition including a tin precursor compound and an antimony precursor compound dissolved in a solvent; disposing the composition on a substrate; and performing a heat treatment on the substrate coated with the composition.

Abstract: The present invention is to provide a device capable of having an easy production process and achieving a long lifetime. A device comprising a substrate, two or more electrodes facing each other disposed on the substrate and a positive hole injection transport layer disposed between two electrodes among the two or more electrodes, wherein the positive hole injection transport layer contains a transition metal compound-containing nanoparticle comprising a transition metal compound containing one or more kinds selected from the group consisting of a transition metal carbide oxide, transition metal nitride oxide and transition metal sulfide oxide, wherein a protecting agent having a linking group and a hydrophobic organic group is connected to the transition metal compound by the linking group.