Abstract: The present invention relates to a method for forming a graphene protective film having gas and moisture barrier properties, to a graphene protective film formed by the method, and to the use thereof. A single-layer or multi-layer graphene protective film can be used as a material for a barrier coating or bags, and improves the gas and moisture barrier properties of a variety of devices in a wide array of industrial fields to thereby maintain the electrical characteristics of devices over a long period of time.

Abstract: A method of producing a composite material which includes a carbon-based material and a particulate or fibrous metal material Z. The method includes steps (a) to (c). In the step (a), at least a first carbon material and the metal material Z mixed into an elastomer, and dispersing the first carbon material and the metal material Z by applying a shear force to obtain a composite elastomer, the metal material Z having a melting point lower than a melting point of the first carbon material. In the step (b), the composite elastomer is heat-treated to vaporize the elastomer to obtain an intermediate composite material including a second carbon material and the metal material Z. In the step (c), the intermediate composite material is heat-treated together with a substance including an element Y having a melting point lower than the melting point of the metal material Z to vaporize the substance including the element Y.

Abstract: A diamond-like carbon film for sliding parts which is applied to the sliding surface of sliding parts, the diamond-like carbon film including at least two layers, one being a lower layer of diamond-like carbon (referred to as DLC hereinafter) and the other being an upper layer of DLC placed thereon, wherein the lower layer has a hardness no lower than 20 GPa and no higher than 45 GPa, a Young's modulus no lower than 250 GPa and no higher than 450 GPa, and a thickness no smaller than 0.2 ?m and no larger than 4.0 ?m, and the upper layer has a hardness no lower than 5 GPa and lower than 20 GPa, a Young's modulus no lower than 60 GPa and no higher than 240 GPa, and a thickness no smaller than 1.0 ?m and no larger than 10 ?m. The diamond-like carbon film has both good durability and low frictional coefficient.

Abstract: The invention provides compositions of matter comprising coal body surfaces having improved characteristics for hydration and preservation of pristine surfaces, and which are compatible with both hydrophilic and hydrophobic liquid media. The coal body surfaces of the invention facilitate burning at low temperatures, avoiding emissions of nitrogen oxides, and also have improved properties for surfactant-free suspension in either water or oil media, as well as for liquefaction and gasification.

Abstract: The present disclosure relates to roll-to-roll doping method of graphene film, and doped graphene film.

Abstract: A method of forming a ?-SiC material or coating by mixing SiO2 with carbon and heating the mixture in vacuum wherein the carbon is oxidized to CO gas and reduces the SiO2 to SiO gas and reacting a carbon material with the SiO gas at a temperature in the range of 1300 to 1600° C. resulting in a SiC material or a SiC coating on a substrate. Also disclosed is the related SiC material or coating prepared by this method.

Abstract: A laminated body comprises a thermally conductive sheet, a protective sheet, an auxiliary sheet, a carrier sheet and a coating sheet. The thermally conductive sheet comprises a main sheet body and an adhesive layer. The coefficient of static friction of the main sheet body is 1.0 or lower. The adhesive layer has high adhesiveness in comparison with the main sheet body, and has an outer shape smaller than that of the main sheet body. The protective sheet is formed having an outer shape larger than that of the adhesive layer, and provided with a cutting line extending toward the adhesive layer from the peripheral portion of the protective sheet so that the protective sheet can be cut along the cutting line.

Abstract: The present disclosure relates to a graphene roll-to-roll transfer method, a graphene roll-to-roll transfer apparatus, a graphene roll manufactured by the graphene roll-to-roll transfer method, and uses thereof.

Abstract: A high surface area scaffold to be used for a solar cell, made of a three-dimensional percolated network of functionalized graphene sheets. It may be used in the preparation of a high surface area electrode by coating with a semi conductive material. Electronic devices can be made therefrom, including solar cells such as dye-sensitized solar cells.

Abstract: A layered structure including graphene, wherein a basal plane of the graphene is a (0001) plane; and a layer including an organic material having a conjugated system disposed on the graphene, wherein the layer comprising the organic material layer having the conjugated system is bound to the (0001) plane of the graphene by a ?-? interaction, and a method of preparing the same.

Abstract: A method for forming a carbon nanotube composite includes the following steps. A substrate having a surface is provided. A carbon nanotube structure is disposed on the surface of the substrate. The carbon nanotube structure includes a number of carbon nanotubes. The carbon nanotubes define a number of micro gaps. The substrate and the carbon nanotube structure are disposed in an environment filled with electromagnetic waves such that the surface of the substrate is melted and is permeated into the micro gaps.

Abstract: A ceramic electrostatic chuck according to the present invention includes a dielectric layer with a support layer in contact with the back side of the dielectric layer, and an embedded electrostatic electrode. A wafer is placed on the dielectric layer and the dielectric layer is formed of sintered aluminum nitride containing Sm and has a volume resistivity in the range of 4×109 to 4×1010 ?cm at room temperature. The support layer is formed of sintered aluminum nitride containing Sm and Ce and has a volume resistivity of 1×1013 ?cm or more at room temperature.

Abstract: In certain example embodiments, a coated article includes respective layers including hydrogenated diamond-like carbon (DLC) and zirconium nitride before heat treatment (HT). During HT, the hydrogenated DLC acts as a fuel which upon combustion with oxygen produces carbon dioxide and/or water. The high temperature developed during this combustion heats the zirconium nitride to a temperature(s) well above the heat treating temperature, thereby causing the zirconium nitride to be transformed into a new post-HT layer including zirconium oxide that is very scratch resistant and durable.

Abstract: A self-cleaning material is generally described that may include a substrate having a first surface. A self-cleaning layer of aligned nanotube structures may be formed on the first surface of the substrate, where absorption of light by the nanotube structures may cause a change in state of the self-cleaning material based on an angle of incidence of the light and an orientation vector corresponding to the layer of aligned nanotube structures.

Abstract: When treated with a halogen gas, a carbon material can inhibit emission of an impurity after the treatment. A method of manufacturing the carbon material is also provided. A carbon material is subjected to an annealing process under a reduced pressure of from 1 to 10000 Pa in a H2 gas atmosphere at 500° C. to 1200° C. The duration of the annealing process is from 1 minute to 20 hours. This makes it possible to control the concentration of the halogen emitted, such as chlorine, to 5 ppb or less.

Abstract: A metal-clad polymer article includes a polymeric material with or without particulate addition. The polymeric material defines a permanent substrate. A metallic material covers at least part of a surface of the polymeric material. The metallic material has a microstructure which, at least in part, is at least one of fine-grained with an average grain size between 2 and 5,000 nm and amorphous. The metallic material has an elastic limit between 0.2% and 15%. At least one intermediate layer can be provided between the polymeric material and the metallic material. A stress on the polymeric material, at a selected operating temperature, reaches at least 60% of its ultimate tensile strength at a strain equivalent to the elastic limit of said metallic material.

Abstract: Disclosed is a fullerene film which can be easily formed by a wet process without deteriorating the intrinsic properties of a fullerene by using a fullerene derivative as a raw material. Also disclosed are a fullerene polymer, a method for producing a fullerene film, and a method for producing a fullerene polymer. A fullerene film or a fullerene polymer maintaining the intrinsic properties of the fullerene is obtained by coating a base with a solution of a fullerene derivative and then heating the thus-obtained coating film at a temperature higher than the thermal decomposition temperature of the fullerene derivative but lower than the thermal decomposition temperature of the fullerene.

Abstract: A method of implementing a carbon nanotube thermal interface material onto a heat sink that includes growing carbon nanotubes on said heat sink by chemical vapor deposition and compressing the carbon nanotubes onto metallic surfaces to increase a contact surface area between the carbon nanotubes and the metallic surfaces. The increase in the contact surface area is the area of the carbon nanotubes that is in contact with the metallic surfaces.

Abstract: A method of producing uniform multilayer graphene by chemical vapor deposition (CVD) is provided. The method is limited in size only by CVD reaction chamber size and is scalable to produce multilayer graphene films on a wafer scale that have the same number of layers of graphene throughout substantially the entire film. Uniform bilayer graphene may be produced using a method that does not require assembly of independently produced single layer graphene. The method includes a CVD process wherein a reaction gas is flowed in the chamber at a relatively low pressure compared to conventional processes and the temperature in the reaction chamber is thereafter decreased relatively slowly compared to conventional processes. One application for uniform multilayer graphene is transparent conductors. In processes that require multiple transfers of single layer graphene to achieve multilayer graphene structures, the disclosed method can reduce the number of process steps by at least half.

Abstract: A mechanical device including: (a) a metal workpiece having a working surface for bearing a load, the working surface including a nanometric, adhesive, solid film containing carbon atoms, the film being intimately bonded to the workpiece, wherein the film is intimately bonded to the workpiece on one face of the film, and wherein an opposing face of the film is exposed, for contacting with a lubricant, (b) a contact surface, disposed substantially opposite the working surface; (c) a lubricant, disposed between the working surface and the contact surface, and (d) a mechanism for causing a relative movement between the working surface and the contact surface.

Abstract: This invention relates to coating a surface wherein the coated surface inhibits foulants such as cell and/or protein and/or prion adhesion or formation. In particular, the coated surface may be part of a medical device which inhibits bacterial adhesion and colonisation, thrombus formation and/or prion, blood protein and/or protein formation.

Abstract: Spin coating a mixture of graphene oxide platelets, water, and an organic solvent by placing a drop of the mixture on a spinning substrate while blowing a drying gas onto the substrate and allowing the water and the organic solvent on the substrate to evaporate; and repeating the spin coating one or more times to form a graphene oxide film in contact with the substrate. An about 1-100 nm thick film of overlapping platelets of reduced graphene oxide.

Abstract: A multilayer substrate includes a base layer, a coating layer and an intermediate layer positioned between the base layer and the coating layer. The intermediate layer contains chromium and nitrogen. A content of the chromium in the intermediate layer gradually decreases from the base layer to the coating layer.

Abstract: Disclosed is a thermally conductive, electrically insulating composite film, including interface layers disposed on the top and bottom surface of a metal substrate, and an insulation layer. Because the film has thermal conductivity and electric insulation properties, it can be disposed between the chips of a stack chip package structure, thereby dissipating the heat in horizontal and vertical directions simultaneously.

Abstract: The present invention relates to composites having graphene layers and also processes for producing these composites. The invention further relates to a process for producing graphene layers using the composites of the invention.

Abstract: A method of producing a silicon carbide-coated carbon material that comprises heating, under a non-oxidizing atmosphere, a carbon substrate and an amorphous inorganic ceramic material obtained by heating a non-melting solid silicone, thereby forming a silicon carbide coating film on the carbon substrate. A silicon carbide-coated carbon material that exhibits excellent heat resistance and has a uniform silicon carbide coating can be obtained.

Abstract: An elastic device includes a first elastic supporter; a second elastic supporter and a carbon nanotube film. The second elastic supporter is spaced from the first elastic supporter. The carbon nanotube film has a first side fixed on the first elastic supporter and a second side opposite to the first side and fixed on the second elastic supporter. The carbon nanotube film includes a plurality of first carbon nanotubes orientated primarily along a first direction and a plurality of second carbon nanotubes having orientations different from the first direction. At least one portion of each of the second carbon nanotubes contacts with at least two adjacent first carbon nanotubes. The carbon nanotube film is capable of elastic deformation along a second direction that is substantially perpendicular to the first direction.

Abstract: The invention relates to a process for the deposition of a metal oxide, such as titanium dioxide, as a thin layer on a substrate, by using particular biopolymers, in particular, a hydrophobin. The process for the deposition of a metal oxide on a substrate (S) comprises the steps of depositing a protein layer (H) comprising at least one hydrophobin on the substrate and the deposition of a metal oxide layer (M) on the protein layer (H) by precipitation from an aqueous solution of a metal salt.

Abstract: The present invention relates to a block copolymer derived from at least one tetrahydrofuran monomer containing 14C. The present invention also relates to a method for preparing such a block copolymer.

Abstract: A graphene sheet including an intercalation compound and 2 to about 300 unit graphene layers, wherein each of the unit graphene layers includes a polycyclic aromatic molecule in which a plurality of carbon atoms in the polycyclic aromatic molecule are covalently bonded to each other; and wherein the intercalation compound is interposed between the unit graphene layers.

Abstract: Graphene layers and associated methods are disclosed. In one aspect, for example, a method of making graphene on a diamond substrate is provided. Such a method can include applying a layer of a metal to a crystallographic face of the diamond substrate, and heating the diamond substrate under vacuum to convert a portion of the diamond substrate at the crystallographic face into graphene. In another aspect, the layer of metal is applied only on diamond substrate faces having a same crystallographic orientation. In yet another aspect, the layer of metal is applied to only a single crystallographic face of the diamond substrate. Additionally, in one aspect, converting the portion of the diamond substrate at the crystallographic face into graphene includes converting the portion of the diamond substrate by a martensitic transformation.

Abstract: For a graphite sheet, a peak intensity ratio (P100/002) of a (100) diffraction peak and a (002) diffraction peak by X-ray diffractometry, and a peak intensity ratio (P110/002) of a (110) diffraction peak and a (002) diffraction peak thereby are set at 10 or more. The graphite sheet is manufactured through a step of preparing a polymer liquid which contains a polymer having carbon in its molecular chains and develops optical anisotropy, a step of unidirectionally orienting the molecular chains of the polymer, a step of obtaining a compact from the polymer liquid in the state that the orientation of the molecular chains of the polymer is maintained, and a step of carbonizing and thereafter graphitizing the compact.

Abstract: A method to prepare a carbon fiber bundle which can develop satisfactory interfacial adhesion to polyolefin-based resins, especially polypropylene resins, is provided. The carbon fiber bundle comprises a plurality of single fibers sized with a sizing agent comprising: a polymer having a main chain formed of carbon-carbon bonds, containing an acid group in at least part of side chains or at least a part of main chain ends, and having an acid value of 23 to 120 mg KOH/g as measured in accordance with ASTM D1386; or a polymer having a main chain formed of carbon-carbon bonds and containing at least either of an epoxy group and an ester group in at least a part of side chains or at least a part of main chain ends.

Abstract: A method for the production of a ceramic substrate for a semiconductor component, includes the steps of producing paper containing at least cellulose fibers, as well as a filler to be carbonized and/or SiC, pyrolizing the produced paper, and siliconizing the pyrolyzed paper.

Abstract: In a method of making graphite devices, a thin-film graphitic layer disposed against a preselected face of a substrate is created on the preselected face of the substrate. A preselected pattern is generated on the thin-film graphitic layer. At least one functionalizing molecule is attached to a portion of the graphitic layer. The molecule is capable of interacting with ? bands in the graphitic layer.

Abstract: A nanostructured sheet that can include a substantially planar body, a plurality of nanotubes defining a matrix within the body, and a protonation agent that can be dispersed throughout the matrix of nanotubes for enhancing proximity of adjacent nanotubes to one another. A method of making such a nanostructured sheet is also disclosed.

Abstract: Provided by the present invention is a lubricating oil composition showing a very low frictional coefficient when used as a lubricating oil for a low friction sliding material prepared by blending with an additive selected from a specific phosphorus-zinc-containing compound and a specific sulfur-containing compound, and a sliding mechanism having an excellent low frictional property in which a DLC film containing 5 to 50 atom % of hydrogen is formed or a sliding mechanism having an excellent low frictional property in which 1 to 30 atom % of tungsten (W) or molybdenum (Mo) is contained is provided by combining the above lubricating oil composition with a sliding member having a film of a specific low frictional sliding material on a sliding face.

Abstract: A method for making a molded carbon fiber prepreg includes the steps of: (a) thermocompressing a pristine carbon fiber prepreg that includes a carbon fiber substrate and a matrix resin impregnated into the carbon fiber substrate, and a thermoplastic material at an elevated temperature such that the thermoplastic material and the matrix resin of the pristine carbon fiber prepreg are subjected to a crosslinking reaction so as to form a crosslinked thermoplastic layer on the pristine carbon fiber prepreg; and (b) injection molding a thermoplastic elastomer onto the crosslinked thermoplastic layer. A molded carbon fiber prepreg obtained from the aforesaid method is also provided.

Abstract: In an embodiment, a polycrystalline diamond compact (“PDC”) comprises a cemented carbide substrate including a first cemented carbide portion exhibiting a first concentration of chromium carbide and a second cemented carbide portion bonded to the first cemented carbide portion and exhibiting a second concentration of chromium carbide that is greater than the first concentration. The PDC further comprises a polycrystalline diamond (“PCD”) table bonded to the first cemented carbide portion. The PCD table includes a plurality of bonded diamond grains exhibiting diamond-to-diamond bonding therebetween, with the plurality of bonded diamond grains defining a plurality of interstitial regions. The PCD table includes chromium present in a concentration less than about 0.25 weight %.

Abstract: The present invention relates to a method for making a carbon nanotube film. The method includes the following steps. An array of carbon nanotubes is formed on a substrate. The array of carbon nanotubes is pressed by a pressure head to form a carbon nanotube film having properties identical in all directions parallel to a surface of the carbon nanotube film.

Abstract: Exemplary embodiments provide materials, methods, and systems for a fuser member used in electrophotographic devices and processes, wherein the fuser member can include a coating material containing a plurality of nanoceram fibers dispersed in a polymer matrix for providing a desired gloss level of fused toner images.

Abstract: A nanotube-based insulator is provided having thermal insulating properties. The insulator can include a plurality of nanotube sheets stacked on top of one another. Each nanotube sheet can be defined by a plurality of carbon nanotubes. The plurality of carbon nanotubes can be configured so as to decrease normal-to-plane thermal conductivity while permitting in-plane thermal conductivity. A plurality of spacers can be situated between adjacent nanotube sheets so as to reduce interlayer contact between the nanotubes in each sheet. The plurality of spacers can be ceramic or alumina dots or provided by texturing the nanotube sheets.

Abstract: A gypsum-based building material having increased thermal conductivity and shielding attenuation, a method for producing the building material, a molding containing the building material and a method for producing the molding are provided. The products and methods include adding ground stock formed of compacted expanded graphite to gypsum-based building materials in order to increase the thermal conductivity and the electromagnetic shielding attenuation of the building materials and moldings, for example gypsum cardboards, produced therefrom.

Abstract: Diamond-like carbon (DLC) coated devices and associated methods are provided. In one aspect, for example, a DLC-coated substrate can include a substrate, and a H-doped DLC layer disposed on the substrate, where the DLC layer is doped with a Si material at least along an interface between the substrate and the DLC layer. Additionally, the substrate can include a surface doped layer on the DLC layer opposite the substrate.

Abstract: Provided is a nitrogen-containing amorphous carbon film exhibiting excellent durability even when formed on the surface of a sliding member used under high surface pressure or under a lubricating oil environment. The nitrogen-containing amorphous carbon film is formed by physical evaporation onto the sliding surface of a sliding member and contains 8.0 to 12.0 atomic % of hydrogen and 3.0 to 14.0 atomic % of nitrogen. The nitrogen-containing amorphous carbon film is effective when, for instance, formed on at least one sliding surface of a sliding member, such as a sliding part of an automobile engine.

Abstract: An aligned carbon nanotube bulk structure capable of attaining high density and high hardness not found so far. The aligned carbon nanotube bulk structure has a plurality of carbon nanotubes (CNTs) applied with a density-increasing treatment, and having alignment in a predetermined direction, the structure has a degree of anisotropy of 1:3 or more between the direction of alignment and the direction vertical to the direction of alignment, and the intensity by irradiating X-rays along the direction of alignment is higher than the intensity by irradiating X-rays from the direction vertical to the direction of alignment at a (002) peak in X-ray diffraction data, and the degree of alignment thereof satisfies predetermined conditions.

Abstract: A polycrystalline diamond compact cutter that includes a thermally stable polycrystalline diamond layer, a carbide substrate, and a polycrystalline cubic boron nitride layer interposed between the thermally stable polycrystalline diamond layer and the carbide substrate such that at least a portion of the polycrystalline cubic boron nitride layer is radially surrounded by the thermally stable polycrystalline diamond layer is disclosed.

Abstract: A structure having a semiconductor material film formed graphene material layer that is disposed on a substrate is provided. The structure consists of a heterostructure comprising a semiconductor material film, a substrate, and a graphene material layer consisting of one or more sheets of graphene situated between the semiconductor material film and the substrate. The structure also can further include a graphene interface transition layer at the semiconductor material film interface with the graphene material layer and/or a substrate transition layer at the graphene material layer interface with the substrate.

Abstract: Method for coating micromechanical components of a micromechanical system, in particular a watch movement, comprising: providing a substrate component to be coated; providing said component with a diamond coating; wherein said diamond coating conductivity is increased in order to reduce dust attraction by the coated component when used in said micromechanical system. Corresponding micromechanical components and systems are also provided.

Abstract: A method of incorporating a mark of origin, such as a brand mark, or fingerprint in a CVD single crystal diamond material, includes the steps of providing a diamond substrate, providing a source gas, dissociating the source gas thereby allowing homoepitaxial diamond growth, and introducing in a controlled manner a dopant into the source gas in order to produce the mark of origin or fingerprint in the synthetic diamond material. The dopant is selected such that the mark of origin or fingerprint is not readily detectable or does not affect the perceived quality of the diamond material under normal viewing conditions, but which mark of origin or fingerprint is detectable or rendered detectable under specialised conditions, such as when exposed to light or radiation of a specified wavelength, for example. Detection of the mark of origin or fingerprint may be visual detection or detection using specific optical instrumentation, for example.