Abstract: A thin film transistor has a semiconducting layer comprising a semiconductor and a mixture enriched in metallic carbon nanotubes. The semiconducting layer has improved charge carrier mobility.

Abstract: Disclosed is a composition, in particular a dispersion, which contains nanofiber material in at least one organic matrix component, said nanofiber material being pre-treated in at least one method step for adjusting the physical properties of the composition.

Abstract: A chip-shaped electronic component comprising a substrate and an end face electrode layer provided on an end face of the substrate, in which the end face electrode layer contains a mixed material including, as a conductive particle, a carbon powder, a whisker-like inorganic filler coated with a conductive film, and a flake-like conductive powder, and an epoxy resin having a weight-average molecular weight between 1,000 and 80,000.

Abstract: A high dielectric polymer composite having a high dielectric constant is disclosed herein. The high dielectric polymer composite includes a conductive material doped with oxidizable metal nanoparticles or metal oxide nanoparticles to decrease dielectric loss, and a surfactant having a head portion containing an acidic functional group to form a passivation layer that surrounds the conductive material, resulting in increased dielectric constant.

Abstract: A metal-filled nanostructure and fabrication methods thereof are discussed. A metal-filled nanostructure according to an embodiment of the present invention comprises a metal filling and a nanostructure shell, and may provide superior conductivity and contact resistance over those inherent in the nanostructure shell. In a preferred embodiment, the metal filled nanostructure comprises a continuous metal nanowire inserted into a single-walled carbon nanotube using an electrowetting technique.

Abstract: The present invention provides materials for negative electrodes of lithium rechargeable batteries. These materials include lithium alloy composites. Each lithium alloy composite has a core-shell structure with one or more lithium alloy granules as its core and a carbon material as its shell. The average granule diameter of the lithium alloy granule is between 5 ?m and 40 ?m. The average thickness of the shell layer is between 50 ? and 1000 ?. The average diameter of the lithium alloy composite is between 10 ?m to 50 ?m. The methods of fabrication for the material includes the following steps: stirring lithium alloy granules in an organic solution with a coating substance, drying the solid product in the organic solution with a coating substance, calcining the dried product to obtain the negative electrode material with lithium alloy composites.

Abstract: This invention provides a process for improving the field emission of an electron field emitter comprised of an acicular emitting substance such as acicular carbon, an acicular semiconductor, an acicular metal or a mixture thereof, comprising applying a force to the surface of the electron field emitter wherein the force results in the removal of a portion of the electron field emitter thereby forming a new surface of the electron field emitter.

Abstract: The invention discloses a biosensor includes a strip having an integrated heating element and an electrode with metallized graphite including metal in the range of 0.1-5% in weight; graphite in the range of below 55% in weight; and polymer. The biosensor further includes an electric measuring device having a slot enabling the strip to insert therein.

Abstract: A fluorescent display device includes an aluminum wiring layer formed on an insulating substrate; an insulating layer formed on the aluminum wiring layer, the insulating layer being provided with a through-hole disposed on the aluminum wiring layer; a conductive layer filled in the through-hole. The fluorescent display device further includes an anode conductor formed on the insulating layer to cover the conductive layer and a phosphor layer formed on the anode conductor. The conductive layer is formed of solid mixture containing aluminum and graphite.

Abstract: This invention is directed to an article comprising a transparent substrate and an electrically conductive transparent coating deposited on the transparent substrate. This invention is also directed to methods for preparing the electrically conductive transparent coating and depositing the coating on the transparent substrate. This invention is further directed to devices containing such articles. The electrically conductive transparent coating comprises carbon nanotubes filled, coated, or both filled and coated by a non-carbon material.

Abstract: An Si/C composite includes carbon (C) dispersed in porous silicon (Si) particles. The Si/C composite may be used to form an anode active material to provide a lithium battery having a high capacity and excellent capacity retention.

Abstract: Provided is method of selectively separating carbon nanotubes into metallic carbon nanotubes and semiconducting carbon nanotubes, the method including: preparing a mixture including a dispersant, carbon nanotubes, and a solvent; dispersing the carbon nanotubes in the mixture; and separating the semiconducting carbon nanotubes from the mixture in which the carbon nanotubes are dispersed, wherein the dispersant is an oligomer including about 2 to about 24 repeat units, each including a head moiety and a tail moiety, wherein the head moiety comprises 1 to about 5 aromatic hetero rings, and the tail moiety comprises a hydrocarbon chain or chains connected to the head moiety.

Abstract: Alloyed nanophenes comprising carbon, boron, and a Group V element other than nitrogen are provided. The alloyed nanophenes are useful, for example, as miniature electronic components, such as wires, coils, schottky barriers, diodes, inductors, memory elements, and other circuit devices and elements.

Abstract: Disclosed is a carbon nanotube (CNT) thin film having metallic nanoparticles. The CNT thin film includes a plastic transparent substrate and a CNT composition coated on the substrate. The CNT composition includes a CNT and metallic nanoparticles distributed on the CNT surface. The plastic transparent substrate is flexible. The metallic nanoparticles are formed by heating a metallic precursor adsorbed in the CNT surface. A method of manufacturing the CNT thin film having metallic nanoparticles is also disclosed. A CNT-dispersed solution is prepared by mixing a CNT with a dispersant or a dispersion solvent. The CNT-dispersed solution is used to form a CNT thin film. Metallic precursors are implanted in the CNT thin film. Then, a heat-treatment is applied to transform the metallic precursors into metallic particles including metallic nanoparticles.

Abstract: Provided are a charged particle generator that continually generates large quantities of charged particles as a result of temperature dependent excitation, functional fibers comprising composite carbon particles, having SP3 and SP2 structures, and a healthcare device that can increase the effect of penetration of the human body by charged particles without limit in time, and which can produce a synergistic effect with infrared radiation. The charged particle generator comprises semiconductor particles and a coupling agent, blended at a ratio that results in a percolation effect, and is disposed at a human body contact face of the healthcare device, so as to achieve a body temperature elevating effect and blood circulation improving effect. The functional fibers can be used in processed or formed products for improved effects in the heating range produced by the human body, as well as in combination with a magnet, for a further synergistic effect.

Abstract: Provided are methods of manufacturing carbon nanotube (CNT) paste, to which a nano-sized particle is added, and a CNT emitter with high reliability for a field emission display (FED). The method includes the steps of: (i) dispersing CNT powder in a solvent; (ii) adding an organic binder to the solution in which the CNT powder is dispersed; and (iii) performing a milling process to adjust viscosity of the dispersion solution to which the organic binder is added, wherein a nano-sized metal particle is added in step (i) or (iii). Accordingly, the nano-sized metal particle is added as a metal filler of the CNT paste, and thus a metal may be melted at a low temperature at which CNTs do not deteriorate. Thus, adhesion between the CNT paste and a cathode may be improved, and resistance between the cathode and the CNT or between CNTs may be reduced.

Abstract: A composition useful in electrodes provides higher power capability through the use of nanoparticle catalysts present in the composition. Nanoparticles of transition metals are preferred such as manganese, nickel, cobalt, iron, palladium, ruthenium, gold, silver, and lead, as well as alloys thereof, and respective oxides. These nanoparticle catalysts can substantially replace or eliminate platinum as a catalyst for certain electrochemical reactions. Electrodes, used as anodes, cathodes, or both, using such catalysts have applications relating to metal-air batteries, hydrogen fuel cells (PEMFCs), direct methanol fuel cells (DMFCs), direct oxidation fuel cells (DOFCs), and other air or oxygen breathing electrochemical systems as well as some liquid diffusion electrodes.

Abstract: The invention relates to a film comprising greater than 80 wt % single-wall carbon nanotubes wherein the tensile modulus is at least about 6 GPa at 0.2% strain and the conductivity of the film is at least about 70,000 S/m. The tensile modulus is typically about 8 GPa at 0.2% strain. The method for making the film comprises preparing a solution of single-wall carbon nanotubes in a superacid, such as oleum containing approximately 20 to 30% sulfur trioxide, under a dry, oxygen-free atmosphere. The solution is placed on a surface in a moisture-containing atmosphere, wherein the solution absorbs moisture and acid leaches out. The film is washed to further remove acid, dried, and, optionally, subjected to a heat treatment. Besides free-standing films, coatings of single-wall carbon nanotubes can be made on a variety of surfaces including polymers, glass, metals, and ceramics. The surfaces can be flat planes, fibers or contour shapes.

Abstract: A layer (20) on a composite (22) of aluminum (26) and a non-conductive material (24) and a method of forming the layer (20) are described. A first embodiment comprises a method of forming a composite layer (101) comprising combining a non-conductive material (24) and aluminum (26) to form a composite (22), and electrochemically oxidizing (103) the aluminum (26) on a surface of the composite (22) to form aluminum oxide (28). In a particular embodiment, the non-conductive material (24) is diamond. In other particular embodiments, the step of combining (101) the non-conductive material (24) and aluminum (26) comprises at least one of cold spraying and electrolytic codeposition. In another particular embodiment, the oxidizing step (103) comprises anodizing. In yet another particular embodiment, the oxidizing step (103) comprises hard anodizing.

Abstract: A cathodic protection compound is disclosed. The coating includes sacrificial metallic particles less noble than metal in the metal substrate to be protected. The coating also includes inherently conductive polymer in an amount of less than 1 weight percent of total solids of the coating. A concentrate of the metallic particles and inherently conductive polymer can also be prepared.

Abstract: An electrode material of the present invention includes a plurality of particles capable of absorbing and desorbing lithium, and a plurality of nanowires capable of absorbing and desorbing lithium. The particles and the nanowires include silicon atoms. The plurality of nanowires are entangled with each other to form a network, and the network is in contact with at least two of the plurality of particles.

Abstract: Alloyed nanophenes comprising carbon, boron, and a Group V element other than nitrogen are provided. The alloyed nanophenes are useful, for example, as miniature electronic components, such as wires, coils, schottky barriers, diodes, inductors, memory elements, and other circuit devices and elements.

Abstract: A conductive thermoplastic composition capable of forming conductive fibers including monofilaments, methods of making these compositions, and fibers including these compositions. The conductive thermoplastic compositions may be formed using any method capable of forming the compositions into fibers. The fibers are substantially smooth and/or are capable of being woven into fabrics or other articles to provide conductive properties to the fabric or article. These fibers provide effective static charge dissipation that may be imparted into applications such conveying belts or protective clothing for clean room operation.

Abstract: A composition includes a decomposition product of a metal precursor. The metal precursor may include a carbamate and one or more metal selected from the group consisting of silver, gold, copper, and zinc. The decomposition product may include a metal nanoparticle. The metal nanoparticle may be present in an amount that is sufficient to render the composition electrically conductive, thermally conductive, or both electrically and thermally conductive. An associated article and method are provided.

Abstract: A conductive thermosetting composition comprises a functionalized poly(arylene ether), an alkenyl aromatic monomer, an acryloyl monomer, and a conductive agent. After curing, the composition exhibits good stiffness, toughness, heat resistance, and conductivity, and it is useful in the fabrication of a variety of conductive components, including the bipolar plates of fuel cells.

Abstract: An organic positive temperature coefficient thermistor 10 having at least a pair of electrodes 2 and 3 positioned facing each other and a thermistor element 1 having a positive temperature coefficient of resistance which is positioned between the pair of electrodes 2 and 3, wherein the thermistor element 1 is a molded element consisting of a mixture which contains a polymer matrix and conductive particles having electronic conductivity, and wherein the thermistor element 1 has an amount of oxygen calculated by subtracting the amount of oxygen originally present in the various components of the mixture from the amount of oxygen contained in the thermistor element, which is 1.55 weight percent or less of the mass of the thermistor element.

Abstract: Anode active materials and methods of preparing the same are provided. One anode active material includes a carbonaceous material capable of improving battery cycle characteristics. The carbonaceous material bonds to and coats metal active material particles and fibrous metallic particles to suppress volumetric changes.

Abstract: A method of forming a composite material for use as an anode for a lithium-ion battery is disclosed. The steps include selecting a carbon material as a constituent part of the composite, chemically treating the selected carbon material to receive nanoparticles, incorporating nanoparticles into the chemically treated carbon material and removing surface nanoparticles from an outside surface of the carbon material with incorporated nanoparticles. A material making up the nanoparticles alloys with lithium.

Abstract: This invention provides a low-temperature sintering conductive paste for high density circuit printing which can form a fine circuit having good adhesive force, a smooth surface and low resistance when applied on a substrate and then baked; the conductive paste of the invention uses, as conductive media, in combination with metal fillers having an average particle diameter of 0.

Abstract: A preparation process of polyimide aerogels that composed of aromatic dianhydrides and aromatic diamines or a combined aromatic and aliphatic diamines is described. Also descried is a process to produce carbon aerogels derived from polyimide aerogel composed of a rigid aromatic diamine and an aromatic dianhydride. Finally, the processes to produce carbon aerogels or xerogel-aerogel hybrid, both of which impregnated with highly dispersed transition metal clusters, and metal carbide aerogels, deriving from the polyimide aerogels composed of a rigid aromatic diamine and an aromatic dianhydride, are described. The polyimide aerogels and the polyimide aerogel derivatives consist of interconnecting mesopores with average pore size at 10 to 30 nm and a mono-dispersed pore size distribution. The gel density could be as low as 0.008 g/cc and accessible surface area as high as 1300 m2/g.

Abstract: A coating system for ferrous and nonferrous metal substrates that provides cathodic protection from corrosion by coating with inherently conductive polymers and sacrificial anodic metal particles. The coating system is formed by a process that includes premixing of the inherently conductive polymer with the anodic metal particles to form an inherently conductive polymer/metal particle complex.

Abstract: A thermally stable electrically conductive polymer mixture, for use in forming electrically conductive molded articles, includes at least two additives for contributing to the polymer mixture's electrical conductivity. At least one of the additives concentrates at or near the surface of a molded article for electrical surface conductivity, while at least one other additive concentrates at or near the core of a molded article to heighten electrical core conductivity to promote electrostatic discharge.

Abstract: Disclosed are an iron-carbon composite in which 10 to 90% of the internal space of a nanoflake carbon tube or a nested multi-walled carbon nanotube is filled with iron carbide or iron; a carbonaceous material containing such iron-carbon composites; and a process for preparing the same. The iron-carbon composite is useful for electron emitting materials and other applications.

Abstract: A conductive thermosetting composition comprises a functionalized poly(arylene ether), and alkenyl aromatic monomer, an acryloyl monomer, and a conductive agent. After curing, the composition exhibits good stiffness, toughness, heat resistance, and conductivity, and it is useful in the fabrication of a variety of conductive components, including the bipolar plates of fuel cells.

Abstract: The invention describes composite coatings, in particular comprising carbon and another metallic element such as silicon or aluminum. These coatings have improved properties compared with pure tetrahedral amorphous carbon coatings, in that they have reduced stress levels and can be deposited at higher thicknesses, while retaining acceptable hardness and other useful mechanical properties. Also described are methods of making composite coatings, materials for making the coatings and substrates coated therewith. Specifically, a method of applying a coating to a substrate using a cathode arc source, comprises generating an arc between a cathode target and an anode of the source and depositing positive target ions on the substrate to form the coating, wherein the coating is a composite of at least first and second elements and the target comprises said at least first and second elements.

Abstract: A heat-softening heat-radiation sheet including a polyolefin-based heat-conductive composition which comprises a polyolefin and a heat-conductive filler, has a softening point of 40° C. or above, has a thermal conductivity of 1.0 W/mK or higher, has a viscosity at 80° C. of from 1×102 to 1×105 Pa·s and has a plasticity at 25° C. in the range of from 100 to 700. This heat-radiation sheet which is in the form of a solid sheet at room temperature, can readily be attached to or detached from electronic components and a heat sink, is capable of softening by the heat generated during operation of electronic components, to have the interfacial contact thermal resistance at a negligible level, and has a superior heat-radiation performance.

Abstract: Provided a transparent conductive layer and an image display device employing the transparent conductive layer. The transparent conductive layer includes a conductive layer containing a metal oxide and a protective layer formed on the conductive layer. The protective layer contains a hydrolyzed and polycondensated product of silicon alkoxide and at least one of mercapto compound and its hydrolyzed and polycondensated product.

Abstract: The present invention provides a die-attaching paste superior in solder cracking resistance, used for bonding of semiconductor chips. The present invention lies in a die-attaching paste comprising as essential components: (A) a hydrocarbon having a number-average molecular weight of 500 to 5,000 and at least one double bond in the molecule, or its derivative, (B) a reactive diluent, (C) a radical polymerization catalyst, and (D) a filler.

Abstract: In a manufacturing method of carbon nanotubes by means of laser ablation, carbon molecules having 5-memberd carbon ring bonds (bonds of the pentagon of the fullerenes (C60, C70, C76, etc.)) are included at least in part of the laser irradiation target. By use of such laser irradiation targets, single-wall carbon nanotubes can be formed efficiently in a low temperature process of 500° C. or lower (at 400° C., for example). Carbon molecules having curved surfaces, such as carbon molecules having fullerene bonds, are preferably used in the laser irradiation target. As the carbon molecule having the fullerene bonds, a carbon molecule having a spherical surface, such as the C60 molecule, is preferably used. By use of such a laser irradiation target in a laser ablation process, single-wall carbon nanotubes can be formed efficiently in a low temperature process (at 400° C., for example).

Abstract: The present invention relates to incorporating metal nanoshells specifically designed to interact with triplet excitons in polymers. By interacting with triplet excitons, the rate of photo-oxidation can be slowed and the density of luminescence-quenching traps can be reduced.

Abstract: Disclosed are an iron-carbon composite in which 10 to 90% of the internal space of a nanoflake carbon tube or a nested multi-walled carbon nanotube is filled with iron carbide or iron; a carbonaceous material containing such iron-carbon composites; and a process for preparing the same. The iron-carbon composite is useful for electron emitting materials and other applications.

Abstract: A conductive and weldable anti-corrosion composition for coating metal surfaces which contains: (a) 5 to 40 wt. % of an organic binder containing: (aa) at least one epoxide resin (ab) at least one hardener selected from cyanoguanidine, benzoguanamine and plasticised urea resin (ac) at least one amine adduct selected from polyoxyalkylenetriamine and epoxide resin/amine adducts (b) 0 to 15 wt. % of an anti-corrosion pigment (c) 40 to 70 wt. % of a conductive pigment selected from powdered zinc, aluminum, graphite, molybdenum sulfide, carbon black and iron phosphide (d) 0 to 45 wt. % of a solvent; and a lacquered metal structural part which has a conductive organic layer.

Abstract: A method enables preparation of a stock or starting material having improved catalytic properties. These materials will be useful in the formation of articles adapted for use in electrochemical fuel cells.

Abstract: Graphite fine powder exhibiting excellent electrical conductivity and is suitable for use in, for example, an anti-static application and an electromagnetic wave shielding application, a method for preparing the graphite fine powder, an electrically conductive resin composition using the fine graphite powder having an excellent conductivity and moldability, and a resin molded product using the graphite fine powder having excellent electrical conductivity and strength are provided. The graphite fine powder includes a substance containing a particular element on a part or whole of its surface layer, and the electrically conductive resin composition and the resin molded product are obtained by using the graphite fine powder.

Abstract: A conductive, moldable composite material for the manufacture of electrochemical cell components comprising a thermosetting resin system and conductive filler wherein the thermosetting resin composition comprises: (1) a polybutadiene or polyisoprene resin; (2) an optional functionalized liquid polybutadiene or polyisoprene resin; (3) an optional butadiene- or isoprene-containing copolymer; and (4) an optional low molecular weight polymer. In a preferred embodiment, the conductive moldable composite material is used to form a bipolar plate, current collector or other electrochemical cell component. Articles made of the conductive moldable composite material are resistant to chemical attack and hydrolysis, have excellent mechanical strength and toughness, have a volume resistivity of about 0.116 ohm-cm or less and preferably about 0.04 ohm-cm or less and a thermal conductivity of at least about 5 watts/meter ° K.

Abstract: In high-tech fields such as electronics, the development of new high performance materials which differ from conventional materials has received much attention. An object of the present invention is to provide a clathrate compound which can be used as a thermoelectric material, a hard material, or a semiconductor material. Atoms of an element from group 4B of the periodic table are formed into a clathrate lattice, and a clathrate compound is then formed in which specified doping atoms are encapsulated within the clathrate lattice, and a portion of the atoms of the clathrate lattice are substituted with specified substitution atoms. Suitable doping atoms are atoms from group 1A, group 2A, group 3A, group 1B, group 2B, group 3B, group 4A, group 5A, group 6A, and group 8, and suitable substitution atoms are atoms from group 1A, group 2A, group 3A, group 1B, group 2B, group 3B, group 5A, group 6A, group 7A, group 5B, group 6B, group 7B, and group 8 of the periodic table.

Abstract: An alkali development type photocurable composition comprises (A) an alkali-soluble macromolecular binder having a weight-average molecular weight in the range of 5,000 to 100,000 and an acid value in the range of 50 to 150 mg KOH/g and obtained by causing (d) a compound possessing one glycidyl group in its molecule to react with a carboxyl group of (A-1) a copolymer of (a) an ethylenically unsaturated bond-containing compound possessing one carboxyl group in its molecule with (b) an ethylenically unsaturated bond-containing compound possessing neither hydroxyl group nor acidic group in its molecule, or a carboxyl group of (A-2) a copolymer of the compounds (a) and (b) mentioned above and (c) an ethylenically unsaturated bond-containing compound possessing a hydroxyl group and then causing (e) a polybasic acid anhydride to react with a hydroxyl group caused by the above reaction, (B) an inorganic powder, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) an organic solvent.

Abstract: The invention relates to an electrically conductive powder coating composition having anti-static properties comprising metallic fibers. Further, the coating composition shows effective EMF shielding. Very good results are found when the metallic fibers have an L/D ratio in the range between 5 and 75, wherein L is the length of the fiber and D is the diameter of the fiber. In a preferred embodiment stainless steel fibers are incorporated in the powder coating composition.

Abstract: Ag particles produced by chemical reduction and having a mean particle size of 5 &mgr;m are added by 0.05-3 wt % and Zn are added by 2-10 wt % to a Pb-less brush body containing graphite, Cu and a metal sulfide solid lubricant of a metal-graphite brush.

Abstract: A composite material including a first carbon foam structure including a network of pores and a second carbon foam structure including a network of pores. An intermediate bonding structure is disposed at least in part between the first and second carbon foam structures.