Abstract: Provided is a method of producing carbon nanoparticles, involving: applying a mechanical shearing force to a graphite material in a ball mill container combined with a disc, the ball mill container configured to be rotatable in a first direction, and the disc configured to be rotatable in a second direction opposite to the first direction; and separating produced carbon nanoparticles from the graphite material. A method of producing an aluminum-carbon composite material, and an aluminum-carbon composite material obtained by such a method are also provided.

Abstract: Disclosed is a hybrid polymer composite for electromagnetic wave shielding, and a method for fabricating the same. Specifically, the hybrid polymer composite may be fabricated by combining a microcapsule that is surface coated with at least one carbon nanotube and includes a phase change material (PCM), whose phase easily transitions from solid to liquid upon exposure to heat, with at least one carbon fiber and a matrix polymer. The disclosed hybrid polymer composite has enhanced electromagnetic wave shielding properties that result, in part, from the ability of the PCM to dissipate and remove heat generated by electromagnetic absorption. Additionally, the disclosed composite has excellent conductivity due to its polymer properties and the formation of a network between fillers and the polymer.

Abstract: Methods for fabricating sub-lithographic, nanoscale microstructures in line arrays utilizing self-assembling block copolymers, and films and devices formed from these methods are provided.

Abstract: Heterogeneous catalyst systems, methods of making these systems, and methods of using these systems, wherein catalytically active gold is deposited onto composite support media. The composite support media is formed by providing nanoporous material on at least a portion of the surfaces of carbonaceous host material. In representative embodiments, relatively fine, nanoporous guest particles are coated or otherwise provided on surfaces of relatively coarser activated carbon particles. Catalytically active gold may be deposited onto one or both of the guest or host materials either before or after the guest and host materials are combined to from the composite host material. PVD is the preferred catalyst system of depositing gold.

Abstract: The present disclosure relates to a polymer nanocomposite including a metal-carbon nanotube coated glass fiber and graphite, in which a metal-carbon nanotube coated glass fiber serving as an electromagnetic wave shielding material is hybridized with graphite having an excellent heat conductivity, thereby improving the electromagnetic wave shielding performance in a low frequency range. The polymer nancomposite according to the disclosure is broadly applicable to a variety of fields requiring electromagnetic wave shielding performance such as, for example, various electronic component housings for a vehicle, components of an electric vehicle, a mobile phone, and a display device, and a method of preparing the polymer nanocomposite.

Abstract: An anode of a lithium battery includes a free-standing carbon nanotube film, the carbon nanotube film comprising a plurality of carbon nanotubes, the carbon nanotubes are substantially parallel to a surface of the carbon nanotube film. A method for fabricating an anode of a lithium battery, the method includes the steps of (a) providing an array of carbon nanotubes; and (b) providing a pressing device to press the array of carbon nanotubes to form a carbon nanotube film, and thereby, achieving the anode of lithium battery.

Abstract: A conductive mesoporous carbon composite comprising conductive carbon nanoparticles contained within a mesoporous carbon matrix, wherein the conductive mesoporous carbon composite possesses at least a portion of mesopores having a pore size of at least 10 nm and up to 50 nm, and wherein the mesopores are either within the mesoporous carbon matrix, or are spacings delineated by surfaces of said conductive carbon nanoparticles when said conductive carbon nanoparticles are fused with each other, or both. Methods for producing the above-described composite, devices incorporating them (e.g., lithium batteries), and methods of using them, are also described.

Abstract: A porous carbonaceous composite material, a positive electrode and lithium air battery including the porous carbonaceous composite material, and a method of preparing the porous carbonaceous composite material. The porous carbonaceous composite material includes a carbon nanotube (CNT); and a modified carbonaceous material doped with a heterogeneous element, wherein the ratio of the number of surface oxygen atoms to the number of surface carbon atoms ranges upward from about 2 atom %.

Abstract: A population of semiconductor nanocrystals can include cores including a II-V semiconductor material, e.g., Cd3As2. The population can be monodisperse and can have a quantum yield of 20% or greater. A size-series of populations can have emission wavelengths falling in the range of about 530 nm to about 2000 nm.

Abstract: A nanometer thermal insulation coating and a method of manufacturing the same is disclosed. The method includes the steps of : mixing and stirring nanometer metal oxide and stirring-assistant liquid to form the mixed paste; filtering and drying the mixed paste to form the dried mixed bulk; performing calcination to the dried mixed bulk to form the oxide solid solution bulk of antimony tin oxide/silicon oxide and/or vanadium dioxide/silicon oxide; adding dispersing-assistant liquid, mixing and sequentially mechanical stirring, performing ultrasonic resonance and high pressure homogenizing to form the elementary dispersion bulk; and adding mixing-assistant liquid, mixing and sequentially steps of mechanical stirring and high pressure homogenizing to form nanometer thermal insulation coating, suitable to apply on the glass to achieve the feature of thermal insulation.

Abstract: A method of fabricating single-crystalline metal silicide nanowires for anti-reflective electrodes for photovoltaics is provided that includes exposing a surface of a metal foil to oxygen or hydrogen at an elevated temperature, and growing metal silicide nanowires on the metal foil surface by flowing a silane gas mixture over the metal foil surface at the elevated temperature, where spontaneous growth of the metal silicide nanowires occur on the metal foil surface, where the metal silicide nanowires are post treated for use as an electrode in a photovoltaic cell or used directly as the electrode in the photovoltaic cell.

Abstract: A class of materials has advantageous utility in electrocatalytic applications, e.g., fuel cells. The materials circumvent conventional Pt-based anode poisoning and the agglomeration/dissolution of supported catalysts during long-term operation by exploiting the unique physical and chemical properties of bulk metallic glass to create nanowires for electrocatalytic applications, e.g., fuel cell and battery applications. These amorphous metals can achieve unusual geometries and shapes along multiple length scales. The absence of crystallites, grain boundaries and dislocations in the amorphous structure of bulk metallic glasses results in a homogeneous and isotropic material down to the atomic scale, which displays very high strength, hardness, elastic strain limit and corrosion resistance. The melting temperatures of the disclosed bulk metallic glasses are much lower than the estimated melting temperatures based on interpolation of the alloy constituents making them attractive as highly malleable materials.

Abstract: Various embodiments provide materials and methods for forming a graphene product by vacuum induction heating expandable graphite. The graphene product can include graphene nano-sheets with high purity and uniform thickness. The graphene nano-sheets can contain carbon of more than about 99% by weight. The graphene nano-sheets can be exfoliated or dispersed within a matrix of a semiconducting polymer to form a graphene-containing composite.

Abstract: A method of making ceramic articles includes compounding ceramic precursor batch components that include hydrous clay. The hydrous clay includes particle components having a platy geometry. The crystallite size of the platy hydrous clay particle components is greater than a predetermined amount. Controlling such crystallite size can result in reduced shrinkage of green ware during the clay dehydroxylation stage of firing.

Abstract: A semiconductor nanocrystal-polymer composite including a semiconductor nanocrystal, a polymer comprising a plurality of carboxylate anion groups (—COO?) bindable to a surface of the semiconductor nanocrystal, and a metal cation bindable to a carboxylate anion group of the plurality of carboxylate anion groups.

Abstract: Methods for fabricating arrays of nanoscaled alternating lamellar or cylinders in a polymer matrix having improved long range order utilizing self-assembling block copolymers, and films and devices formed from these methods are provided.

Abstract: A method of fabricating pillared graphene assembles alternate layers of graphene sheets and fullerenes to form a stable protostructure. Energy is added to the protostructure to break the carbon-carbon bonds at the fullerene-to-graphene attachment points of the protostructure and allow the bonds to reorganize and reform into a stable lower energy unitary pillared graphene nanostructure in which open nanotubes are conjoined between graphene sheets. The attachment points may be functionalized using tether molecules to aid in attachment, and add chemical energy to the system. The arrangement and attachment spacing of the fullerenes may be determined using spacer molecules or an electric potential.

Abstract: An article contains inorganic nanoporous particles bound together by water dispersible polyurethane, the article having 75 volume-percent or more inorganic nanoporous particles based on total article volume and having a density of 0.14 grams per cubic centimeter or less and a thermal conductivity of 25 milliWatts per meter*Kelvin or less and having a thickness of at least 0.5 centimeters. A process for preparing such an article includes dispersing inorganic nanoporous particles into an aqueous dispersion of dispersible polyurethane to form a dispersion, casting the dispersion into a mold, and drying to form an article. A method for using such an article includes placing the article in a structure between two areas that can differ in temperature.

Abstract: A process for the production of nanocrystals or amorphous nanoparticles of actives (nanomaterials), especially from the peels of grapes. A dispersion of a micrometer-sized material in a solution of surfactant or a steric stabilizer is first provided. The macrosuspension is then stirred for at least 1 minute at a rotational speed above 500 rpm using a rotor-stator mixer. The stirred mixture is passed through a jet stream or piston-gas type high pressure homogenizer. The nanomaterials produced can be incorporated into formulations for use as nutraceutical, nutritional supplement, or as supportive treatment in medical therapy. The active can be derived from the peels of grapes.

Abstract: A method for producing a sintered rare-earth magnet characterized by sintering a raw material that includes a ribbon-shaped polycrystalline phase with an average grain size of 10 to 200 nm fabricated by rapid solidification of an alloy melt having a rare-earth magnet composition, and a low-melting point phase formed on the surface of the polycrystalline phase and having a melting point lower than the polycrystalline phase.

Abstract: A device for generating sprays of charged droplets, and resulting nanoparticles, the device comprising a first needle connected to an electrical potential line to generate a first spray of charged particles from the first needle, and a second needle spaced apart from and facing the first needle, and connected to an electrical line configured to ground the second needle or to apply a voltage to the second needle that is the same polarity as the voltage applied to the first needle. The device also comprising an electric field modifier connected to the first needle, and configured to modify an electrical field to generate a second spray of charged particles from the second needle.

Abstract: The invention generally relates to the ultrasmall MOx nanoparticles that are made in a solvothermal method using water soluble inorganic ammonium salt precursors of the MOx and organic amines, and slow heating to generate uniform ultrasmall MOx nanoparticles of 5 nm or less, as well as methods to make and use same.

Abstract: Method for producing nano- to micro-scale particles of a material by homogeneous thermal decomposition or reduction of a reactant gas (12) containing the material, whereby the method comprises the steps of supplying the reactant gas (12) to a reaction chamber (16) of a reactor via at least one inlet, and a) heating the reactant gas (12) to a temperature sufficient for thermal decomposition or reduction of the reactant gas (12) to take place inside the reaction chamber (16), or b) confining a temperature dependent reaction or reaction sequence involving a plurality of reactants inside the reaction chamber (16). The method comprises the step of supplying a primary gas (22) through a porous membrane (20) constituting at least part of at least one wall of the reaction chamber (16) to provide a protective inert gas boundary to minimize or prevent the deposition of the material on the porous membrane (20).

Abstract: A method is provided for producing crystalline nanoparticle semiconductor material. The method includes the steps of mixing a precursor in a solvent to form a reaction mixture and subjecting the reaction mixture to microwave dielectric heating at sufficient power to achieve a superheating temperature of the reaction mixture. A growth-phase reaction is permitted to proceed, wherein nanoparticles are formed in the heated reaction mixture. The reaction is then quenched to substantially terminate nanoparticle formation.

Abstract: A composite material is described. The composite material comprises semiconductor nanocrystals, and organic molecules that passivate the surfaces of the semiconductor nanocrystals. One or more properties of the organic molecules facilitate the transfer of charge between the semiconductor nanocrystals. A semiconductor material is described that comprises p-type semiconductor material including semiconductor nanocrystals. At least one property of the semiconductor material results in a mobility of electrons in the semiconductor material being greater than or equal to a mobility of holes. A semiconductor material is described that comprises n-type semiconductor material including semiconductor nanocrystals. At least one property of the semiconductor material results in a mobility of holes in the semiconductor material being greater than or equal to a mobility of electrons.

Abstract: Disclosed is a fabrication method of a metal nanoplate using metal, metal halide or a mixture thereof as a precursor. The single crystalline metal nanoplate is fabricated on a single crystalline substrate by performing heat treatment on a precursor including metal, metal halide or a mixture thereof and placed at a front portion of a reactor and the single crystalline substrate placed at a rear portion of the reactor under an inert gas flowing condition. A noble metal nanoplate of several micrometers in size can be fabricated using a vapor-phase transport process without any catalyst. The fabricated nanoplate is a single crystalline metal nanoplate having high crystallinity, high purity and not having a two-dimensional defect. Morphology and orientation of the metal nanoplate with respect to the substrate can be controlled by controlling a surface direction of the single crystalline substrate. The metal nanoplate of several micrometer size is mass-producible.

Abstract: Disclosed are a method of making a nanomaterial and a method of fabricating a lithium secondary battery using the same. The method of making a nanomaterial includes preparing a mixed solution including a metal salt aqueous solution and an alkylamine, and hydrothermally treating the mixed solution.

Abstract: Methods for fabricating sub-lithographic, nanoscale linear microchannel arrays over surfaces without defined features utilizing self-assembling block copolymers, and films and devices formed from these methods are provided. Embodiments of the methods use a multi-layer induced ordering approach to align lamellar films to an underlying base film within trenches, and localized heating to anneal the lamellar-phase block copolymer film overlying the trenches and outwardly over the remaining surface.

Abstract: Provided is a fluorescent powder of halogen-silicate containing nano-metal particles with the formula of CaX2.y(Ca1-a-bEuaMnbO).SiO2:zM, wherein X is fluorin or/and chlorine, y is 1 or 2, z is molar ratio of nano-metal particles and fluorescent powder CaX2.y(Ca1-a-bEuaMnbO).SiO2, 0<z1×10?2, 0<a0.3, 0b0.3. The method for preparing the fluorescent powder is also provided. For the surface plasma resonance effect occurring on the surface of the nano-metal particles, the fluorescent powder has stronger luminous intensity. The preparation method is simple to operate, no pollution, easy to control, easy to produce in industry, and can be widely used in the preparation field of fluorescent powder.

Abstract: A quinacridone pigment composition contains quinacridone microparticles which have durability and spectral characteristics equivalent to those required for a magenta color of a dye. The quinacridone pigment composition contains at least one type of quinacridone microparticles, wherein a difference between the maximum transmittance (Tmax1) and the minimum transmittance (Tmin) is 80% or more in a transmission spectrum at 350 nm to 800 nm and the difference between the maximum and minimum transmittance is 30% or more in a transmission spectrum at 350 nm to 580 nm, or the difference between the maximum transmittance (Tmax1) and the minimum transmittance (Tmin) is 80% or more in a transmission spectrum at 350 nm to 800 nm and the wavelength (?max) at which the transmittance in a transmission spectrum at 350 nm to 500 nm becomes maximum is less than 430 nm. A method is provided for producing the quinacridone microparticles.

Abstract: The present invention provides a hybrid powder of halloysite nanotubes and light-scattering nanoparticles, a method for preparing the same, and a UV-screening cosmetic composition containing the same as an active ingredient. The hybrid powder of halloysite nanotubes and light-scattering nanoparticles according to the present invention, in which the light-scattering nanoparticles are loaded into the halloysite nanotubes, can prevent the light-scattering nanoparticles from penetrating the skin, which minimizes side effects, and has excellent UV-screening effect. Thus, the hybrid powder of halloysite nanotubes and light-scattering nanoparticles according to the present invention can be effectively used as a UV-screening cosmetic composition.

Abstract: Methods for fabricating sublithographic, nanoscale microstructures arrays including openings and linear microchannels utilizing self-assembling block copolymers, and films and devices formed from these methods are provided. In some embodiments, the films can be used as a template or mask to etch openings in an underlying material layer.

Abstract: The present disclosure relates to a graphene paper which reduced graphene oxide layers and coating layers are stacked in sequence. The graphene paper prepared according to a preparation method of the present invention has excellent electrical conductivity and mechanical properties, and can be economically prepared in large-sized graphene paper, therefore may be efficiently applied to various electrical devices such as thin-film electrodes, flexible electrodes, super capacitors, semiconductor insulating layer reinforcements and TFT semiconductor layer-electrodes, and the like.

Abstract: This invention concerns a new material with enhanced catalytic properties, produced by mechanical alloying of microbially encapsulated metallic (or zerovalent) nanoparticles with a second metallic component. The bioencapsulation ensures a maximized contact area for molecular restructuring, since the microbial biomass can prevent agglomeration during the mechanical alloying process. The resulting product is a metallic alloy with at least 1% of the material dry weight comprising microbial biomass and with enhanced catalytic properties.

Abstract: Method for producing structured particles specifically nanoparticles, toners for laser printers and photocopiers, particularly chemical toner with particular product properties. The method produces toners of improved performance. Method relates particularly to the selection and properties of the base materials and utilizing these properties to design the toner product properties that result in improved performance.

Abstract: Processes are disclosed and claimed that allow either purification of nanowire slurries or exchange of liquids in such slurries or both. Such processes avoid the drawbacks of other known methods and are readily scalable to larger production volumes.

Abstract: A high energy density multilayer ceramic capacitor, having at least two electrode layers and at least one substantially dense polycrystalline dielectric layer positioned therebetween. The at polycrystalline dielectric layer has an average grain size of less than about 300 nanometers, a particle size distribution of between about 150 nanometers and about 3 micrometers, and a maximum porosity of about 1 percent. The dielectric layer is selected from the group including TiO2, BaTiO3, Al2O3, ZrO2, lead zirconium titanate, and combinations thereof and has a breakdown strength of at least about 1100 kV per centimeter.

Abstract: Methods for fabricating sublithographic, nanoscale arrays of openings and linear microchannels utilizing self-assembling block copolymers, and films and devices formed from these methods are provided. Embodiments of the invention use a self-templating or multilayer approach to induce ordering of a self-assembling block copolymer film to an underlying base film to produce a multilayered film having an ordered array of nanostructures that can be removed to provide openings in the film which, in some embodiments, can be used as a template or mask to etch openings in an underlying material layer.

Abstract: This disclosure relates to a method and a system of producing nanoparticles and nanoparticle matrices of thermolabile, biocompatible matrix materials, like lipids and biopolymers with controlled properties. A prototype pulse-heat aerosol system is described for single-step production of free, thermolabile nanoparticles with sufficient control over size, morphology and crystallinity with controlled-release properties, for possible therapeutic, cosmetic or diagnostic use. Nanoparticles of the range 50 to 500 nm are obtained and are found suitable for controlled drugs delivery.

Abstract: The present invention relates to a method of protecting a substrate against ultraviolet (UV) irradiation by applying to the substrate metal oxide nanocomposite particles showing at the same time high transmittance of visible light and high absorbance of UV light.

Abstract: The present invention provides a method for preparing modified micronized particles, comprising the steps of carrying out co-precipitation in an aqueous solution at a temperature between the freezing point and the boiling point of the reaction mother liquid to produce a mixed precipitate of micronized particles or precursors thereof and an inorganic precipitate. The method effectively solves the conflict between micronization and surface modification of particles, and resolves the problem that it is difficult to separate micronized particles from the reaction mother liquid.

Abstract: A processing technology is for the fabrication at low temperatures of ferroelectric crystalline oxide thin films, among others PbZrxTi1-xO3 (PZT) (<400° C. for PZT) with ferroelectric properties appropriate for integration in devices. The method is also for the fabrication of ferroelectric thin films of bronze tungsten (A2B2O6), perovskite (ABO3), pyrochlore (A2B2O7) and bismuth-layer (Bi4Ti3O12) structures, in which A and B are mono, bi-, tri-, tetra- and pentavalent ions.

Abstract: A carbon fiber composite material (50) includes an elastomer, and carbon nanofibers dispersed in the elastomer in an amount of 0.01 to 0.70 parts by mass based on 100 parts by mass of the elastomer, the carbon nanofibers having an average diameter of 0.4 to 7.0 nm. A method of producing a carbon fiber composite material includes mixing carbon nanofibers having an average diameter of 0.4 to 7.0 nm into an elastomer in an amount of 0.01 to 0.70 parts by mass based on 100 parts by mass of the elastomer, and tight-milling the mixture at 0 to 50° C. using an open roll at a roll distance of 0.5 mm or less to obtain a carbon fiber composite material (50).

Abstract: The present invention relates to an oil-in-water (O/W) type nano-emulsion composition comprising an oil component containing oil and a polyethylene glycol ester-based emulsifier; and a water component containing a polyol or a polyol derivative. The present invention also relates to a cosmetic composition comprising the oil-in-water type nano-emulsion composition, and to a method for preparing the oil-in-water type nano-emulsion composition. According to the present invention, a nano-sized low-viscosity emulsion having a high inner phase can be obtained through the method that is different from the conventional methods of phase inversion temperature emulsification or high pressure emulsification, thereby significantly improving the stability of the emulsion. In addition, the nano-emulsion composition of the present invention can be added to a variety of cosmetic compositions having a variety of methods of use and can thus deliver active ingredients to the skin effectively since it has small-sized particles.

Abstract: A particulate material includes an aluminous material and a silica dopant. The particulate material includes crystallite particles with a crystallite particle size of less than about 10 nm. The crystallite particles are stacked together to form primary particles with a primary particle size of less than about 500 nm. The primary particles are agglomerated together to form secondary particles with a secondary particle size of greater than about 1 ?m. The particulate material has a mean pore diameter of not less than 8 nm.

Abstract: Compositions of discrete carbon nanotubes for improved performance lead acid batteries. Further disclosed is a method to form a lead-acid battery with discrete carbon nanotubes.

Abstract: The toner for electrostatic image development has excellent charge properties, by which excellent toner particle size-controlling ability is achieved, and moreover the sharpening of a particle size distribution is achieved. The toner is composed of toner particles containing a binder resin. The process has an aggregating step of adding an aggregating agent containing a transition element into an aqueous medium of dispersed fine binder resin particles to aggregate the fine binder resin particles, and an aggregation-stopping step of adding an aggregation stopper composed on a sulfur atom-containing compound exhibiting a reducing action on the aggregating agent. The aggregating agent is a salt of a bivalent or higher metal selected from Sr, Ti, V, Cr, Mn, Fe, Co, Ni and Cu.

Abstract: The invention provides a composition including epinephrine nanoparticles and methods for therapeutic use of the composition in the treatment of conditions responsive to epinephrine such as a cardiac event or an allergic reaction, particularly anaphylaxis. The epinephrine nanoparticles can be incorporated into orally-disintegrating and fast-disintegrating tablet pharmaceutical formulations and can significantly increase the sublingual bioavailability of epinephrine, and thereby reduce the epinephrine dose required. Additionally, the invention provides methods for fabrication of stabilized epinephrine nanoparticles for use in the described compositions.

Abstract: Disclosed herein are structures comprising a titanium, zirconium, or hafnium powder particle with titanium carbide, zirconium carbide, or hafnium carbide (respectively) nano-whiskers disposed adjacent and anchored to the powder particle. Also disclosed are methods for fabrication of such structures, involving heating the powder particles and exposing the particles to an organic gas.

Abstract: A quantum dot light emitting device includes; a substrate, a first electrode disposed on the substrate, a second electrode disposed substantially opposite to the first electrode, a first charge transport layer disposed between the first electrode and the second electrode, a quantum dot light emitting layer disposed between the first charge transport layer and one of the first electrode and the second electrode, and at least one quantum dot including layer disposed between the quantum dot light emitting layer and the first charge transport layer, wherein the at least one quantum dot including layer has an energy band level different from an energy band level of the quantum dot light emitting layer.