Abstract: Preparation of semiconductor nanocrystals and their dispersions in solvents and other media is described. The nanocrystals described herein have small (1-10 nm) particle size with minimal aggregation and can be synthesized with high yield. The capping agents on the as-synthesized nanocrystals as well as nanocrystals which have undergone cap exchange reactions result in the formation of stable suspensions in polar and nonpolar solvents which may then result in the formation of high quality nanocomposite films.

Abstract: Hybrid metal-graphene interconnect structures and methods of forming the same. The structure may include a first end metal, a second end metal, a conductive line including one or more graphene portions extending from the first end metal to the second end metal, and one or more line barrier layers partially surrounding each of the one or more graphene portions. The conductive line may further include one or more intermediate metals separating each of the one or more graphene portions. Methods of forming said interconnect structures may include forming a plurality of metals including a first end metal and a second end metal in a dielectric layer, forming one or more line trenches between each of the plurality of metals, forming a line barrier layer in each of the one or more line trenches, and filling the one or more line trenches with graphene.

Abstract: In certain embodiments, a material comprising one or more semiconductive substances is vaporized to generate a vapor phase condensate. The vapor phase condensate is allowed to form nanoparticles. The nanoparticles are annealed to yield substantially spherical nanoparticles.

Abstract: A conductive element includes a base having a first wavy surface, a second wavy surface, and a third wavy surface, a first layer provided on the first wavy surface, and a second layer provided on the second wavy surface. The first layer has a multilayer structure including two or more stacked sublayers, the second layer has a single-layer or multilayer structure including part of the sublayers constituting the first layer, and the first and second layers form a conductive pattern portion. The first, second, and third wavy surfaces satisfy the following relationship: 0?(Am1/?m1)<(Am2/?m2)<(Am3/?m3)?1.8 (Am1: mean amplitude of first wavy surface, Am2: mean amplitude of second wavy surface, Am3: mean amplitude of third wavy surface, ?m1: mean wavelength of first wavy surface, ?m2: mean wavelength of second wavy surface, ?m3: mean wavelength of third wavy surface).

Abstract: The present invention relates to a segmented graphene nanoribbon, comprising at least two different graphene segments covalently linked to each other, each graphene segment having a monodisperse segment width, wherein the segment width of at least one of said graphene segments is 4 nm or less and to a method for preparing it by polymerizing at least one polycyclic aromatic monomer compound and/or at least one oligo phenylene aromatic hydrocarbon monomer compound to form at least one polymer and by at least partially cyclodehydrogenating the one or more polymer.

Abstract: The present invention relates to a method for manufacturing copper nanoparticles, in particular, to a method for manufacturing copper nanoparticles, wherein the method includes preparing a mixture solution including a copper salt, a dispersing agent, a reducing agent and an organic solvent; raising temperature of the mixture solution up to 30-50° C. and agitating; irradiating the mixture solution with microwaves; and obtaining the copper nanoparticles by lowering temperature of the mixture solution. According to the present invention, several tens of nm of copper nanoparticles having a narrow particle size distribution and good dispersibility can be synthesized in mass production.

Abstract: An electroconductive stack body having on at least one side surface of a substrate an electroconductive layer that has a network structure that is made by a linear structural body, wherein, regarding an opening portion that satisfies Expression (1) in an opening area of an opening portion that is formed by the network structure, average value A of the opening area is less than or equal to 20 ?m2 and variation deviation ? of the opening area defined by Expression (2) is less than or equal to 26 ?m2: X<Xmax×0.9??Expression (1) wherein in the expression, X represents each opening area, and Xmax represents the maximum value of each opening area; and ?={?(X?A)2)/N}0.

Abstract: An electronic device including a printed circuit board (PCB) including a thermal conduction plane and at least one heat generating component mounted on the PCB and connected to the thermal conduction plane. A frame is connected to the PCB so as to define a first thermally conductive path between at least a portion of the frame and the at least one heat generating component. The electronic device further includes at least one thermally conductive layer between the frame and the at least one heat generating component so as to define a second thermally conductive path between at least a portion of the frame and the at least one heat generating component.

Abstract: The present invention relates to a nano-graphite plate structure with N graphene layers stacked together, where N is 30 to 300. The nanometer nano-graphite structure has a tap density of 0.1 g/cm3 to 0.01 cm3, a thickness of 10 nm to 100 nm, and a lateral dimension of 1 ?m to 100 ?m. The ratio of the lateral dimension to the thickness is between 10 and 10,000. The oxygen content is less than 3 wt %, and the carbon content is larger than 95 wt %. The nano-graphite plate structure has both the excellent features of the graphene and the original advantages of easy processability of the natural graphite so as to be broadly used in various application fields.

Abstract: Embodiments of methods for fabricating polymer nanostructures and nanostructured electrodes are disclosed. Material layers are deposited onto polymer nanostructures to form nanostructured electrodes and devices including the nanostructured electrodes, such as photovoltaic cells, light-emitting diodes, and field-effect transistors. Embodiments of the disclosed methods are suitable for commercial-scale production of large-area nanostructured polymer scaffolds and large-area nanostructured electrodes.

Abstract: Preparation of semiconductor nanocrystals and their dispersions in solvents and other media is described. The nanocrystals described herein have small (1-10 nm) particle size with minimal aggregation and can be synthesized with high yield. The capping agents on the as-synthesized nanocrystals as well as nanocrystals which have undergone cap exchange reactions result in the formation of stable suspensions in polar and nonpolar solvents which may then result in the formation of high quality nanocomposite films.

Abstract: A plasmonic device having a transparent conducting oxide (TCO) waveguide and a tunable voltage applied across the TCO and a metal layer for modulating an input optical signal.

Abstract: Photovoltaic devices are driven by intense photoemission of “hot” electrons from a suitable nanostructured metal. The metal should be an electron source with surface plasmon resonance within the visible and near-visible spectrum range (near IR to near UV (about 300 to 1000 nm)). Suitable metals include silver, gold, copper and alloys of silver, gold and copper with each other. Silver is particularly preferred for its advantageous opto-electronic properties in the near UV and visible spectrum range, relatively low cost, and simplicity of processing.

Abstract: Preparation of semiconductor nanocrystals and their dispersions in solvents and other media is described. The nanocrystals described herein have small (1-10 nm) particle size with minimal aggregation and can be synthesized with high yield. The capping agents on the as-synthesized nanocrystals as well as nanocrystals which have undergone cap exchange reactions result in the formation of stable suspensions in polar and nonpolar solvents which may then result in the formation of high quality nanocomposite films.

Abstract: The present invention relates to electrically conductive polymer compositions, and their use in electronic devices. The compositions are an aqueous dispersion including: (i) at least one electrically conductive polymer doped with a non-fluorinated polymeric acid; (ii) at least one highly-fluorinated acid polymer; (iii) at least one water-compatible high-boiling organic solvent; and (iv) electrically insulative inorganic oxide nanoparticles.

Abstract: A nanorod light emitting device includes at least one nitride semiconductor layer, a mask layer, multiple light emitting nanorods, nanoclusters, a filling layer disposed on the nanoclusters, a first electrode and connection parts. The mask layer is disposed on the nitride semiconductor layer and has through holes. The light emitting nanorods are disposed in and extend vertically from the through holes. The nanoclusters are spaced apart from each other. Each of the nanoclusters has a conductor and covers a group of light emitting nanorods, among the multiple light emitting nanorods, with the conductor. The first electrode is disposed on the filling layer and has a grid pattern. The connection parts connect the conductor and the first electrode.

Abstract: A patterned transparent conductor includes a substrate and additives at least partially embedded into at least one surface of the substrate and localized adjacent to the surface according to a pattern to form higher sheet conductance portions. The higher sheet conductance portions are laterally adjacent to lower sheet conductance portions.

Abstract: According to one embodiment, a semiconductor device includes a first wiring, a second wiring disposed in the same layer as the first wiring, a first via connected to a bottom surface of the first wiring and formed of a carbon nanotube, and a second via connected to a bottom surface of the second wiring and formed of a metal.

Abstract: A network of nanowires may be used for a sensor. The nanowires are metallic, each nanowire has a thickness of at most 20 nm, and each nanowire has a width of at most 20 nm. The sensor may include nanowires comprising Pd, and the sensor may sense a change in hydrogen concentration from 0 to 100%. A device may include the hydrogen sensor, such as a vehicle, a fuel cell, a hydrogen storage tank, a facility for manufacturing steel, or a facility for refining petroleum products.

Abstract: Provided is a transparent carbon nanotube (CNT) electrode comprising a net-like (i.e., net-shaped) CNT thin film and a method for preparing the same. More specifically, a transparent CNT electrode comprises a transparent substrate and a net-shaped CNT thin film formed on the transparent substrate, and a method for preparing a transparent CNT electrode, comprising forming a thin film using particulate materials and CNTs, and then removing the particulate materials to form a net-shaped CNT thin film. The transparent CNT electrode exhibits excellent electrical conductivity while maintaining high light transmittance. Therefore, the transparent CNT electrode can be widely used to fabricate a variety of electronic devices, including image sensors, solar cells, liquid crystal displays, organic electroluminescence (EL) displays, and touch screen panels, that have need of electrodes possessing both light transmission properties and conductive properties.

Abstract: A method of manufacturing a device based on LEDs includes the growth of semiconducting nanowires on a first electrode produced on an insulating face, and encapsulation thereof in planarizing material; the formation, on the planarizing material, of a second electrode with contact take-up areas. LEDs are formed by releasing a band of the first electrode around each take-up area, including forming a mask defining the bands on the second electrode, chemically etching the planarizing material, stopped so as to preserve planarizing material, chemically etching the portion of nanowires thus released, and then chemically etching the remaining planarizing material. A trench is formed along each of the bands as far as the insulating face and the LEDs are placed in series by connecting the take-up areas and bands of the first electrode.

Abstract: Zinc salts have been found to provide anticorrosion properties when incorporated into silver nanowire containing films. Such salts may be incorporated into one of more silver nanowire containing layers or in one or more layers disposed adjacent to the silver nanowire containing layers.

Abstract: Electronic devices may include a first substrate bearing circuitry components at a nanoscale pitch within the first substrate. The first substrate may include microscale bond pads on a surface of the first substrate. A via may electrically connect one of the microscale bond pads to one of the circuitry components. A second substrate may be electrically connected to at least one of the microscale bond pads. Methods of forming electronic devices may include positioning a first substrate adjacent to a second substrate. The first substrate may bear circuitry components at a nanoscale pitch within the first substrate. The first substrate may include microscale bond pads on a surface of the first substrate. A via may electrically connect one of the microscale bond pads to one of the circuitry components. The second substrate may be electrically connected to at least one of the microscale bond pads.

Abstract: Processes for producing organoamine-stabilized silver nanoparticles are disclosed. The processes comprise: (a) forming a solution comprising an organic solvent and a first amount of organoamine; (b) adding silver salt particles to the solution; (c) adding a second amount of organoamine to the solution; (d) adding an organohydrazine to the solution; and (e) reacting the solution to form organoamine-stabilized silver nanoparticles.

Abstract: Conjugated molecules are prepared that comprise a predetermined number of oligo conjugation components. The conjugated molecules also may comprise one or more detectable labels. Preparation of these molecules can be implemented according to an asymmetric or a symmetric conjugation strategy.

Abstract: The present invention provides an electrically conductive, optically clear adhesive including an optically clear adhesive layer and an interconnected, electrically conductive network layer positioned over the optically clear adhesive layer. The electrically conductive, optically clear adhesive has a conductivity of between about 0.5 and about 1000 ohm/sq, haze of less than about 10%, and a transmittance of at least about 80%.

Abstract: Disclosed is a polyimide nanocomposite, which is prepared by mixing modified graphene oxide, polyamic acid, and a solvent to obtain a mixture solution, and heat-curing the mixture solution.

Abstract: A bobbin includes a stratiform composite structure. The stratiform composite structure includes an amorphous carbon structure and a carbon nanotube film structure composited with the amorphous carbon structure. The amorphous carbon structure and the carbon nanotube film structure are combined by van der Waals attractive force and covalent bonds therebetween.

Abstract: The present invention related to an electrical element (100, 101, 102) including an electrically conductive element (3, 5, 10, 31, 32, 51), characterized in that the electrical element also includes a first layer (1) of a polymer material with electrical conductivity gradient obtained from a polymer composition including at least one polymer and conductive carbonaceous fillers.

Abstract: Disclosed are a method of manufacturing a graphene-carbon nanotube nanostructure which includes mixing graphite, a catalytic metal, and an ionic liquid, and then radiating microwaves on the mixture, and a graphene-carbon nanotube nanostructure manufactured using the method.

Abstract: A method for making a carbon nanotube micro-tip structure is disclosed. A carbon nanotube film structure and an insulting substrate are provided. The insulating substrate includes a surface. At least one strip-shaped recess is defined at the surface. The carbon nanotube film structure is covered on the surface of the insulating substrate, and has a suspended portion covered on the at least one strip-shaped recess. The suspended portion of the carbon nanotube film structure is laser etched, to define a first hollow pattern in the suspended portion and form a patterned carbon nanotube film structure according to the first hollow pattern. The patterned carbon nanotube film structure includes two strip-shaped arms. The two strip-shaped arms are joined at one end to form a tip portion. The tip portion is suspended above the strip-shaped recess.

Abstract: An electrode structure includes a rolled graphene film which is wound about a central axis, and a nanomaterial dispersed on a surface of the rolled graphene film.

Abstract: The present invention involves the interaction of radiation with functionalized carbon nanotubes that have been incorporated into various host materials, particularly polymeric ones. The present invention is directed to chemistries, methods, and apparatuses which exploit this type of radiation interaction, and to the materials which result from such interactions. The present invention is also directed toward the time dependent behavior of functionalized carbon nanotubes in such composite systems.

Abstract: The present invention relates to a composite of carbon nanotubes and of graphenes in agglomerated solid form comprising: a) carbon nanotubes, the content of which represents from 0.1% to 50% by weight, preferably from 10% to 40% by weight relative to the total weight of the composite; b) graphenes, the content of which represents from 0.1% to 20% by weight, preferably from 1% to 10% by weight relative to the total weight of the composite; and c) a polymer composition comprising at least one thermoplastic polymer and/or one elastomer. The present invention also relates to a process for preparing said composite, its use for the manufacture of a composite product, and also to the various applications of the composite product.

Abstract: Optical devices that include one or more structures fabricated from polar-dielectric materials that exhibit surface phonon polaritons (SPhPs), where the SPhPs alter the optical properties of the structure. The optical properties lent to these structures by the SPhPs are altered by introducing charge carriers directly into the structures. The carriers can be introduced into these structures, and the carrier concentration thereby controlled, through optical pumping or the application of an appropriate electrical bias.

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: One aspect of the present subject matter relates to a method for forming a transistor. According to an embodiment of the method, a pillar of amorphous semiconductor material is formed on a crystalline substrate, and a solid phase epitaxy process is performed to crystallize the amorphous semiconductor material using the crystalline substrate to seed the crystalline growth. The pillar has a sublithographic thickness. A transistor body is formed in the crystallized semiconductor pillar between a first source/drain region and a second source/drain region. A surrounding gate insulator is formed around the semiconductor pillar, and a surrounding gate is formed around and separated from the semiconductor pillar by the surrounding gate insulator. Other aspects are provided herein.

Abstract: A metal nanoparticle composition includes water and a water-soluble polymer having both carboxylic acid and sulfonic acid groups. Silver nanoparticles are dispersed in the water and the weight ratio of the polymer to silver is from 0.008 to 0.1.

Abstract: A solar cell includes a back electrode, a silicon substrate, a doped silicon layer and an upper electrode. The back electrode is located on and electrically connected to a lower surface of the silicon substrate. A number of cavities are formed on an upper surface of the silicon substrate. The doped silicon layer is located on the inside surface of the cavities. The upper electrode is located on the upper surface of the silicon substrate. The upper electrode includes a carbon nanotube structure.

Abstract: A method and circuit for implementing security protection with carbon nanotube based sensors for cryptographic applications, and a design structure on which the subject circuit resides are provided. A carbon nanotube layer is incorporated with a polymeric encapsulation layer of a security card. Electrical connections to the carbon nanotube layer are provided for electrical monitoring of electrical resistance of the carbon nanotube layer.

Abstract: Provided are graphene nanoribbons (GNRs), methods of making GNRs, and uses of the GNRs. The methods can provide control over GNR parameters such as, for example, length, width, and edge composition (e.g., edge functional groups). The methods are based on a metal catalyzed cycloaddition reaction at the carbon-carbon triple bonds of a poly(phenylene ethynylene) polymer. The GNRs can be used in devices such a microelectronic devices.

Abstract: Disclosed herein are transparent conductors having high thermal capacity and improved protection against electrostatic discharge.

Abstract: Nanostructures are joined using one or more of a variety of materials and approaches. As consistent with various example embodiments, two or more nanostructures are joined at a junction between the nanostructures. The nanostructures may touch or be nearly touching at the junction, and a joining material is deposited and nucleates at the junction to couple the nanostructures together. In various applications, the nucleated joining material facilitates conductivity (thermal and/or electric) between the nanostructures. In some embodiments, the joining material further enhances conductivity of the nanostructures themselves, such as by growing along the nanostructures and/or doping the nanostructures.

Abstract: The present disclosure provides a light emitting diode and a method of manufacturing the same. The light emitting diode includes a graphene layer on a second conductive semiconductor layer and a plurality of metal nanoparticles formed on some region of the graphene layer, whereby adhesion between the second conductive semiconductor layer comprised of an inorganic material and the graphene layer is enhanced, thereby securing stability and reliability of the light emitting diode. In addition, the light emitting diode allows uniform spreading of electric current, thereby allowing stable emission of light through a surface area of the light emitting diode.

Abstract: The present invention is generally directed to nanocomposite thermoelectric materials that exhibit enhanced thermoelectric properties. The nanocomposite materials include two or more components, with at least one of the components forming nano-sized structures within the composite material. The components are chosen such that thermal conductivity of the composite is decreased without substantially diminishing the composite's electrical conductivity. Suitable component materials exhibit similar electronic band structures. For example, a band-edge gap between at least one of a conduction band or a valence band of one component material and a corresponding band of the other component material at interfaces between the components can be less than about 5 kBT, wherein kB is the Boltzman constant and T is an average temperature of said nanocomposite composition.

Abstract: The carbon nanofiber has a content of oxygen controlled in a range of 8% by mass to 20% by mass and excellent dispersibility in polar solvents by means of an oxidization treatment carried out on a raw material of the carbon nanofiber. The above-described oxidization treatment is preferably carried out at 100° C. or higher using an mixed acid of nitric acid and sulfuric acid in which the nitric acid concentration is in a range of 10% by mass to 30% by mass. A carbon nanofiber dispersion liquid is obtained by dispersing the above-described carbon nanofiber in a polar solvent, and a carbon nanofiber composition contains the above-described dispersion liquid and a binder component.

Abstract: An electrically conductive connecting member includes an electrically insulating elastomer and an electrically conducting elastomer. The conductive connecting member has a Shore Hardness type A from 5 to 90 degrees, water-resistant ability up to 0.1 kgf/cm2 and 10%˜20% compression set. The conductive connecting member is capable of remaining good resilience, water-resistance and electric conductivity after long term use.

Abstract: Provided are examples of light modulators and optical apparatuses that may include the light modulators. A light modulator may include a plasmonic nano-antenna and an element for changing plasmon resonance characteristics of the plasmonic nano-antenna. The plasmon resonance characteristics of the plasmonic nano-antenna may be changed due to a change in refractive index of the element, and thus light may be modulated.

Abstract: A thermoacoustic device includes a carbon nanotube composite structure, a sound wave generator and a signal input device. The carbon nanotube composite structure includes a carbon nanotube structure and a matrix. The matrix is located a surface of the carbon nanotube structure. The sound wave generator is located on a surface of the carbon nanotube composite structure and insulated from the carbon nanotube structure via the matrix. The sound wave generator includes a graphene layer including at least one graphene. The signal input device is configured to input signals to the sound wave generator.

Abstract: Anisotropic materials, such as rutile TiO2, can exhibit dielectric constant of 170 along the tetragonal axis of (001) direction, and dielectric constant of 86 along directions perpendicular to the tetragonal axis. Layer of anisotropic material nanorods, such as TiO2 nanorods, can form a seed layer to grow a dielectric layer that can exhibit the higher dielectric constant value in a direction parallel to the substrate surface. The anisotropic layer can then be patterned to expose a surface normal to the high dielectric constant direction. A conductive material can be formed in contact with the exposed surface to create an electrode/dielectric stack along the direction of high dielectric constant.