Abstract: A method for fabricating a carbon nanotube film includes the following steps: providing a vacuum chamber having a carbon nanotube array therein; and pulling a carbon nanotube film out from the carbon nanotube array.

Abstract: A PRAM device includes a lower electrode, a phase-change nanowire and an upper electrode. The phase-change nanowire may be electrically connected to the lower electrode and includes a single element. The upper electrode may be electrically connected to the phase-change nanowires.

Abstract: A photosensitive device (100), the photosensitive device (100) comprising a substrate (101) and a plurality of vertically aligned nanowire diodes (102 to 105) provided on and/or in the substrate (101).

Abstract: Disclosed are a nanostructure with an indium gallium nitride quantum well and a light emitting diode employing the same. The light emitting diode comprises a substrate, a transparent electrode and an array of nanostructures interposed between the substrate and the transparent electrode. Each of the nanostructures comprises a core nanorod, and a nano shell surrounding the core nanorod. The core nanorod is formed substantially perpendicularly to the substrate and includes a first nanorod of a first conductivity type, an (AlxInyGa1-x-y)N (where, 0?x<1, 0?y?1 and 0?x+y?1) quantum well, and a second nanorod of a second conductivity type, which are joined in a longitudinal direction. The nano shell is formed of a material with a bandgap greater than that of the quantum well, and surrounds at least the quantum well of the core nanorod. Meanwhile, the second nanorods are connected in common to the transparent electrode.

Abstract: A method of forming a photoelectrode structure includes: disposing a light-scattering layer including a nanowire on a photoanode substrate; and coating the light-scattering layer with an inorganic binder solution to fix the light-scattering layer on the photoanode substrate. Due to the structure of the photoelectrode structure, the adhesive force between the light-scattering layer and the photoanode substrate is enhanced and the photocurrent density is increased.

Abstract: The present invention provides a photoelectric conversion device that is durable, lightweight, and inexpensive, and has a network structure of organic semiconductor nanowires that has high durability and is suitable for charge transport. In addition, to provide the photoelectric conversion device, the present invention provides, as an electron-donating material, a material for a photoelectric conversion device, the material including phthalocyanine nanowires having a breadth of 50 nm or less and a ratio (length/breadth) of a length to the breadth, the ratio being 10 or more. According to the present invention, a photoelectric conversion device having a long life due to high light resistance of phthalocyanine can be provided at a low cost. Use of such photoelectric conversion devices can constitute a solar-cell module having a long life due to the feature of the photoelectric conversion devices and being manufactured at a low cost.

Abstract: A modified material for use with a capacitive touch screen is described. The modified material comprises a material impregnated with a composition comprising either a non-metallic and/or a metallic conductive agent with a binder. A variety of materials are contemplated, including, but not limited to leather. Also described is an apparatus and method of providing a conductive glove is disclosed.

Abstract: Provided are a nano piezoelectric device and a method of forming the nano piezoelectric device. The nano piezoelectric device includes a lower electrode, a nanowire extending upward from the lower electrode, and an upper electrode on the nanowire. The nanowire includes a conductive wire core and a wire shell surrounding the wire core and including a piezoelectric material.

Abstract: A method of forming a photoelectrode structure includes: disposing a light-scattering layer including a nanowire on a photoanode substrate; and coating the light-scattering layer with an inorganic binder solution to fix the light-scattering layer on the photoanode substrate. Due to the structure of the photoelectrode structure, the adhesive force between the light-scattering layer and the photoanode substrate is enhanced and the photocurrent density is increased.

Abstract: The present disclosure relates to the field of fabricating microelectronic devices. In at least one embodiment, the present disclosure relates to forming an isolated nanowire, wherein isolation structure adjacent the nanowire provides a substantially level surface for the formation of microelectronic structures thereon.

Abstract: The present invention provides hierarchical assemblies of a block copolymer, a bifunctional linking compound and a nanoparticle. The block copolymers form one micro-domain and the nanoparticles another micro-domain.

Abstract: An in situ approach toward connecting and electrically contacting vertically aligned nanowire arrays using conductive nanoparticles is provided. The utility of the approach is demonstrated by development of a gas sensing device employing the nanowire assembly. Well-aligned, single-crystalline zinc oxide nanowires were grown through a direct thermal evaporation process at 550° C. on gold catalyst layers. Electrical contact to the top of the nanowire array was established by creating a contiguous nanoparticle film through electrostatic attachment of conductive gold nanoparticles exclusively onto the tips of nanowires. A gas sensing device was constructed using such an arrangement and the nanowire assembly was found to be sensitive to both reducing (methanol) and oxidizing (nitrous oxides) gases. This assembly approach is amenable to any nanowire array for which a top contact electrode is needed.

Abstract: An embodiment relates to a device comprising an optical pipe comprising a core and a cladding, the optical pipe being configured to separate wavelengths of an electromagnetic radiation beam incident on the optical pipe at a selective wavelength through the core and the cladding, wherein the core is configured to be both a channel to transmit the wavelengths up to the selective wavelength and an active element to detect the wavelengths up to the selective wavelength transmitted through the core. Other embodiments relate to a compound light detector.

Abstract: A multigate structure which comprises a semiconductor substrate; an ultra-thin silicon or carbon bodies of less than 20 nanometers thick located on the substrate; an electrolessly deposited metallic layer selectively located on the side surfaces and top surfaces of the ultra-thin silicon or carbon bodies and selectively located on top of the multigate structures to make electrical contact with the ultra-thin silicon or carbon bodies and to minimize parasitic resistance, and wherein the ultra-thin silicon or carbon bodies and metallic layer located thereon form source and drain regions is provided along with a process to fabricate the structure.

Abstract: Nanowire preparation methods, compositions, and articles are disclosed. Such methods which reduce metal ions to metal nanowires in the presence complexes comprising metal-metal bonds, are capable of producing long, narrow, nanowires useful for electronics and optical applications.

Abstract: Disclosed are compositions and methods that provide flexible transparent conductive films that exhibit low levels of oligomer migration and haze development, without making use of costly substrates based on PEN film or PET films having low oligomer content. Such flexible transparent conductive films are useful in electronic and optical applications.

Abstract: An electrically transductive device, including a substrate having an electrically conducting surface portion, a first film of semiconducting nanoparticles positioned on the electrically conducting portion and further including a first plurality of close packed first generally spherical particles defining a first plurality of interstices and a second plurality of second, smaller generally spherical particles substantially filling the plurality of interstices, and a first coating of electrically conductive metal deposited over the first film.

Abstract: Methods employing novel solvents are disclosed for making metal nanostructures including metal nanowires. Such methods can be carried out at lower temperatures and higher production rates than those employing ethylene glycol. The products of these methods are useful for electronics applications.

Abstract: Disclosed are synthetic nanocarrier compositions, and related methods, comprising CD1d-restricted antigens and immunosuppressants that provide tolerogenic immune responses.

Abstract: Stable multicomponent coating systems with superior coatability and stability are disclosed. Such stable coating systems comprising nanostructures, cellulosic polymers, and blocked isocyanates provide coatings and films exhibiting superior surface resistivity and crosslinking.

Abstract: A method of bonding a metal to a substrate is disclosed herein. The method involves forming a nano-brush on a surface of the substrate, where the nano-brush includes a plurality of nano-wires extending above the substrate surface. In a molten state, the metal is introduced onto the substrate surface, and the metal surrounds the nano-wires. Upon cooling, the metal surrounding the nano-wires solidifies, and during the solidifying, at least a mechanical interlock is formed between the metal and the substrate.

Abstract: Devices used in conjunction with detecting analytes and methods of their manufacture are disclosed. A pre-concentrator device includes a thermoelectric material and an aerogel which includes a nanostructured material disposed on, and in thermal communication with, the thermoelectric material. Such a pre-concentrator is part of a detection system including a sensor. The detection system is used in a method for detecting analytes.

Abstract: Methods of preparing metal nanowire are disclosed that employ quaternary phosphonium salts. Such processes can produce long and thin nanowires. Compositions and articles comprising such nanowires are useful in electronics applications.

Abstract: Nanowire preparation methods, compositions, and articles are disclosed. Such methods which reduce metal ions to metal nanowires in the presence of aluminum or gallium ions, are capable of producing long, narrow, nanowires useful for electronics and optical applications.

Abstract: Disclosed is a transparent conductive film that comprises at least one carrier layer disposed on the opposite side of a transparent support from at least one conductive layer, and at least one hardcoat layer disposed on the at least one carrier layer. Such films, which exhibit superior hardness, adhesion, and curl, are useful for electronics applications.

Abstract: A mix-type catalyst filter which has a variety of pore sizes and thus improves efficiency of catalysts and a method for manufacturing the same. The method includes spinning nanofibers, heating the nanofibers, crushing the nanofibers to form chip-type nanofibers, mixing the chip-type nanofibers with particulate catalysts to obtain a mix-type catalyst and heating the mix-type catalyst.

Abstract: Nanowire preparation methods, compositions, and articles are disclosed. Such methods, which reduce metal ions to metal nanowires in the presence of zero-valent metal atoms, are capable of producing long, narrow, nanowires useful for electronics and optical applications.

Abstract: Nanomaterials of the JT phase of the titanium oxide TiO2-x, where 0?x?1 having as a building block a crystalline structure with an orthorhombic symmetry and described by at least one of the space groups 59 Pmmn, 63 Amma, 71 Immm or 63 Bmmb. The nanomaterials are in the form of nanofibers, nanowires, nanorods, nanoscrolls and/or nanotubes and are obtained from a hydrogen titanate and/or a mixed sodium and hydrogen titanate precursor compound that is isostructural to the JT crystalline structure. The titanates are the hydrogenated, the protonated, the hydrated and/or the alkalinized phases of the JT crystalline phase that are obtained from titanium compounds such as titanium oxide with an anatase crystalline structure, amorphous titanium oxide, and titanium oxide with a rutile crystalline structure, and/or directly from the rutile mineral and/or from ilmenite.

Abstract: A process is provided for etching a silicon-containing substrate to form nanowire arrays. In this process, one deposits nanoparticles and a metal film onto the substrate in such a way that the metal is present and touches silicon where etching is desired and is blocked from touching silicon or not present elsewhere. One submerges the metallized substrate into an etchant aqueous solution comprising HF and an oxidizing agent. In this way arrays of nanowires with controlled diameter and length are produced.

Abstract: Methods of preparing nanowires having small diameters and large lengths are disclosed. Such nanowires are useful in electronics applications.

Abstract: Disclosed are conductive coatings that exhibit improved clarity, uniformity, and mechanical strength. Such coatings comprising volatile viscosity modifiers are useful for electronics applications.

Abstract: The present invention provides a “microminiaturizing method of nano-structure” with fabricating process steps as follows: First deposit the material of molecule or atom state on the top-opening of the nano cylindrical pore, which having formed on the substrate, so that the diameter of said top-opening gradually reduce to become a reduced nano-aperture, whose opening diameter is smaller than that of said top-opening; Then, directly pass the deposit material of gas molecule or atom state through said reduced nano-aperture; thereby a nano-structure of nano quantum dot, nano rod or nano ring with smaller nano scale is directly formed on the surface of said substrate, which being laid beneath the bottom of said nano cylindrical pore.

Abstract: The present invention includes a method of producing a crystalline metal oxide nanostructure. The method comprises providing a metal salt solution and providing a basic solution; placing a porous membrane between the metal salt solution and the basic solution, wherein metal cations of the metal salt solution and hydroxide ions of the basic solution react, thereby producing a crystalline metal oxide nanostructure.

Abstract: Field programmable device (FPD) chips with large logic capacity and field programmability that are in-circuit programmable are described. FPDs use small versatile nonvolatile nanotube switches that enable efficient architectures for dense low power and high performance chip implementations and are compatible with low cost CMOS technologies and simple to integrate.

Abstract: In one aspect, the present invention relates to a synthetic nanostructure. In one embodiment, the synthetic nanostructure has a top region substantially comprising titanate nanowires, a middle region substantially comprising titanate nanoparticles and titanate nanowires, and a bottom region substantially comprising titanium, wherein some of the titanate nanowires of the top region are extending into the middle region, wherein the middle region is between the top region and the bottom region, and wherein some of the titanate nanowires of the top region are substantially perpendicular to the bottom surface of the titanium substrate. At least some of the titanate nanowires in the top region form 3D macroporous scaffolds with interconnected macropores.

Abstract: Semiconductor devices are formed with a nano-electro-mechanical system (NEMS) logic or memory on a bulk substrate. Embodiments include forming source/drain regions directly on a bulk substrate, forming a fin connecting the source/drain regions, forming two gates, one on each side of the fin, the two gates being insulated from the bulk substrate, and forming a substrate gate in the bulk substrate. The fin is separated from each of the two gates and the substrate gate with an air gap.

Abstract: In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, embodiments of the present disclosure, in one aspect, relate to methods of making nanostructures (e.g., nanoparticles, nanofibers), systems for making nanostructures, and the like.

Abstract: The present invention relates to devices, systems, and methods for determination of ionizing radiation. In some embodiments, the devices comprise nanocomposite materials containing nanostructures (e.g., carbon nanotubes) dispersed in radiation sensitive polymers. In some cases, the device may include a conductive pathway that may be affected upon exposure to ionizing radiation. Embodiments described herein may provide inexpensive, large area, low power, and highly sensitive radiation detection materials/devices.

Abstract: A crystalline nanowire and method of making a crystalline nanowire are disclosed. The method includes dissolving a first nitrate salt and a second nitrate salt in an acrylic acid aqueous solution. An initiator is added to the solution, which is then heated to form polyacrylatyes. The polyacrylates are dried and calcined. The nanowires show high reversible capacity, enhanced cycleability, and promising rate capability for a battery or capacitor.

Abstract: Preparation methods, compositions, and articles useful for electronic and optical applications are disclosed. Such methods reduce metal ions to metal nanowires in the presence of bromide ions, IUPAC Group 14 elements in their +2 oxidation state, and optionally chloride ions. The product nanowires are useful in electronics applications.

Abstract: A biogenic substance concentration measuring apparatus includes an optical measuring apparatus for measuring optical properties of a first substrate and a second substrate by using a cell for biogenic substance concentration measurement that includes: the first substrate on which a plurality of first metallic nanorods, each of which is modified with a substance that bonds specifically to a test substance, are immobilized such that the long axes thereof are aligned in the same direction; and the second substrate on which a plurality of second metallic nanorods, each of which is modified with a blocking substance, are immobilized such that the long axes thereof are aligned perpendicularly to the long axes of the first metallic nanorods on the first substrate, and calculates a biogenic substance concentration with high accuracy from the optical properties.

Abstract: An exemplary embodiment of the present invention provides a thermal interface material for providing thermal communication between a heat sink and a heat source. The thermal interface material comprises a plurality of polymer nanofibers having first ends and second ends. The first ends can be positioned substantially adjacent to the heat source. The second ends can be positioned substantially adjacent to the heat sink. The plurality of polymer nanofibers can be aligned substantially perpendicular to at least a portion of the heat source and the heat sink.

Abstract: This document provides methods and materials related to rare earth particles such as rare earth nanorods (e.g., inorganic lanthanide hydroxide nanorods). For example, rare earth (e.g., lanthanide) particles such as europium hydroxide nanorods, methods and materials for making rare earth particles (e.g., europium hydroxide nanorods), and methods and materials for using rare earth particles (e.g., europium hydroxide nanorods) as an imaging agent and/or to promote angiogenesis are provided.

Abstract: A surface-enhanced Raman spectroscopy substrate device, including a base substrate, a single or multiple layered nanostructure that contains metals, and a plasma coating. The nanostructure metal is selected from the group including silver, gold, platinum, copper, titanium, chromium, and combinations thereof. The plasma coating has a thickness of 1-200 nm and may locate on the nanostructure layer or on the base substrate. The plasma coating can precisely control the surface characteristics, including surface energy, hydrophilicity, and contact angle, of the SERS device and may then help to regulate the SERS substrate with well defined and uniform water/oil contact angle with small standard deviation. The water contact angle of the SERS substrate may range from 20 to 140 degrees.

Abstract: Segmented semiconductor nanowires are manufactured by removal of material from a layered structure of two or more semiconductor materials in the absence of a template. The removal takes place at some locations on the surface of the layered structure and continues preferentially along the direction of a crystallographic axis, such that nanowires with a segmented structure remain at locations where little or no removal occurs. The interface between different segments can be perpendicular to or at angle with the longitudinal direction of the nanowire.

Abstract: A nanowire tunnel device includes a nanowire suspended above a semiconductor substrate by a first pad region and a second pad region, the nanowire having a channel portion surrounded by a gate structure disposed circumferentially around the nanowire, an n-type doped region including a first portion of the nanowire adjacent to the channel portion, and a p-type doped region including a second portion of the nanowire adjacent to the channel portion.

Abstract: A class of fluorescent, organic nanofibrils, and particularly the films comprising entangled piling of these nanofibrils exhibiting effective quenching of their fluorescence upon exposure the vapor of explosives is disclosed. A sensor and a method for sensing the explosives vapor and other volatile organic compounds is disclosed, including the explosives taggants through the modulation of the fluorescence of the nanofibril film and the electrical conductivity of the nanofibrils. A development of synthetic methods is disclosed, such as protocols and techniques that lead to the production of various arylene-ethynylene macrocycle (AEM) molecules, which consist of a shape-persistent, toroidal scaffold in planar conformation, with minimal ring strain and highly tunable ring sizes (from 0.5 nm to above 10 nm).

Abstract: The present invention relates to metal coated nano-fibers obtained by a process that includes electrospinning and to the use of said metal coated nano-fibers. The process is characterized in that a polymer nano-fiber with functional groups providing the binding ability to a reducing reagent is prepared by electrospinning at ambient conditions. Then this is contacted with a reducing agent, thereby opening the epoxy ring on the surface of polymer nano-fiber and replacing with the reducing agent and the reducing agent modified film is reacted with metal solution in alkaline media. Finally the electrospun mat is treated with water to open the epoxy rings in the structure and crosslinking the chains to provide integrity.

Abstract: A transparent photodetector. The transparent photodetector includes a substrate; a waveguide on the substrate; a displaceable structure that can be displaced with respect to the substrate, the displaceable structure in proximity to the waveguide; and a silicon nanowire array suspended with respect to the substrate and mechanically linked to the displaceable structure, the silicon nanowire array comprising a plurality of silicon nanowires having piezoresistance. In operation, a light source propagating through the waveguide results in an optical force on the displaceable structure which further results in a strain on the nanowires to cause,a change in electrical resistance of the nanowires. The substrate may be a semiconductor on insulator substrate.

Abstract: A thermo-interface material composite uses a thermo-interface material containing silver nanowires. The silver nanowires have high aspect ratios, high thermo-conductivity coefficients and good anti-oxidation capabilities. Hence, an amount of silver nanowires can be added fewer than that of a traditional metal or ceramic powder. In this way, defects on device surface can be speckled during a dispersal process for improving adhesion between devices. Thus, a thermo-interface material is fabricated to obtain a high thermo-conductivity coefficient for further forming a thermo-channel.