Abstract: The present invention relates to a process for manufacturing a composite material comprising a non-pulverulent carbon-based conductive material and metal nanoparticles dispersed within said non-pulverulent carbon-based conductive material, to said composite material, to the use of the composite material for manufacturing an electrically conductive element, and to an electric cable comprising at least one such composite material, as electrically conductive element.

Abstract: This disclosure relates to N4-hydroxycytidine derivatives, compositions, and methods related thereto. In certain embodiments, the disclosure relates to the treatment and prophylaxis of viral infections.

Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a substrate. The semiconductor device structure includes a first nanostructure over the substrate. The semiconductor device structure includes a gate stack over the substrate and surrounding the first nanostructure. The semiconductor device structure includes a first source/drain layer surrounding the first nanostructure and adjacent to the gate stack. The semiconductor device structure includes a contact structure surrounding the first source/drain layer, wherein a first portion of the contact structure is between the first source/drain layer and the substrate.

Abstract: A device and method for fabricating a photovoltaic device includes forming a double layer transparent conductive oxide on a transparent substrate. The double layer transparent conductive oxide includes forming a doped electrode layer on the substrate, and forming a buffer layer on the doped electrode layer. The buffer layer includes an undoped or p-type doped intrinsic form of a same material as the doped electrode layer. A light-absorbing semiconductor structure includes a p-type semiconductor layer on the buffer layer, an intrinsic layer and an n-type semiconductor layer.

Abstract: Vacuum deposited thin films of material are described to create an interface that non-preferentially interacts with different domains of an underlying block copolymer film. The non-preferential interface prevents formation of a wetting layer and influences the orientation of domains in the block copolymer. The purpose of the deposited polymer is to produce nanostructured features in a block copolymer film that can serve as lithographic patterns.

Abstract: A generic route for synthesis of asymmetric nanostructures. This approach utilizes submicron magnetic particles (Fe3O4—SiO2) as recyclable solid substrates for the assembly of asymmetric nanostructures and purification of the final product. Importantly, an additional SiO2 layer is employed as a mediation layer to allow for selective modification of target nanoparticles. The partially patched nanoparticles are used as building blocks for different kinds of complex asymmetric nanostructures that cannot be fabricated by conventional approaches. The potential applications such as ultra-sensitive substrates for surface enhanced Raman scattering (SERS) have been included.

Abstract: The invention discloses novel morphology shifting micelles and amphiphilic coated metal nanofibers. Methods of using and making the same are also disclosed.

Abstract: In certain embodiments novel nanoparticles (nanowontons) are provided that are suitable for multimodal imaging and/or therapy. In one embodiment, the nanoparticles include a first biocompatible (e.g., gold) layer, an inner core layer (e.g., a non-biocompatible material), and a biocompatible (e.g., gold) layer. The first gold layer includes a concave surface that forms a first outer surface of the layered nanoparticle. The second gold layer includes a convex surface that forms a second outer surface of the layered nanoparticle. The first and second gold layers encapsulate the inner core material layer. Methods of fabricating such nanoparticles are also provided.

Abstract: A nano-ionic memory device is provided. The memory device includes a substrate, a chemically inactive lower electrode provided on the substrate, a solid electrolyte layer provided on the lower electrode and including a silver (Ag)-doped telluride (Te)-based nano-material, and an oxidizable upper electrode provided on the electrolyte layer.

Abstract: Described herein are various methods for making textured articles, textured articles that have improved fingerprint resistance, and methods of using the textured articles. The methods generally make use of masks comprising nanostructured metal-containing features to produce textured surfaces that also comprise nanostructured features. These nanostructured features in the textured surfaces can render the surfaces hydrophobic and oleophobic, thereby beneficially providing the articles with improved fingerprint resistance relative to similar or identical articles that lack the texturing.

Abstract: The present invention relates to growth of III-V semiconductor nanowires (2) on a Si substrate (3). Controlled vertical nanowire growth is achieved by a step, to be taken prior to the growing of the nanowire, of providing group III or group V atoms to a (111) surface of the Si substrate to provide a group III or group V 5 surface termination (4). A nanostructured device including a plurality of aligned III-V semiconductor nanowires (2) grown on, and protruding from, a (111) surface of a Si substrate (3) in an ordered pattern in compliance with a predetermined device layout is also presented.

Abstract: In some embodiments, a method for manufacturing forms a semiconductor device, such as a transistor. A dielectric stack is formed on a semiconductor substrate. The stack comprises a plurality of dielectric layers separated by one of a plurality of spacer layers. Each of the plurality of spacer layers is formed of a different material than immediately neighboring layers of the plurality of dielectric layers. A vertically-extending hole is formed through the plurality of dielectric layers and the plurality of spacer layers. The hole is filled by performing an epitaxial deposition, with the material filling the hole forming a wire. The wire is doped and three of the dielectric layers are sequentially removed and replaced with conductive material, thereby forming upper and lower contacts to the wire and a gate between the upper and lower contacts. The wire may function as a channel region for a transistor.

Abstract: A semiconductor nanowire is formed integrally with a wraparound semiconductor portion that contacts sidewalls of a conductive cap structure located at an upper portion of a deep trench and contacting an inner electrode of a deep trench capacitor. The semiconductor nanowire is suspended from above a buried insulator layer. A gate dielectric layer is formed on the surfaces of the patterned semiconductor material structure including the semiconductor nanowire and the wraparound semiconductor portion. A wraparound gate electrode portion is formed around a center portion of the semiconductor nanowire and gate spacers are formed. Physically exposed portions of the patterned semiconductor material structure are removed, and selective epitaxy and metallization are performed to connect a source-side end of the semiconductor nanowire to the conductive cap structure.

Abstract: The invention relates to a hydrodesulfurization nanocatalyst, use of the hydrodesulfurization nanocatalyst in a hydrodesulfurization process and a process for producing the hydrodesulfurization nanocatalyst. The hydrodesulfurization nanocatalyst can include a nanostructured alumina material, at least one metal selected from group VI B of the periodic table of elements, and at least one metal selected from group VIII B of the periodic table of elements.

Abstract: A method and apparatus for fabricating or altering a microstructure use means for heating to facilitate a local chemical reaction that forms or alters the submicrostructure.

Abstract: According to one embodiment, a semiconductor device manufacturing method comprises defining a region in which absorptance of light illuminated for annealing to a substrate on which a pattern of a semiconductor integrated circuit is formed is not larger than a preset value as a coarse pattern region, locally forming a thin film that enhances light absorptance on the coarse pattern region, and annealing the substrate by illuminating light onto the substrate on which the pattern of the integrated circuit and thin film are formed.

Abstract: The invention relates to light-emitting devices, and related components, systems and methods. In one aspect, the present invention is related to light emitting diode (LED) light extraction efficiency. A non-limiting example, the application teaches a method for improving light emitting diode (LED) extraction efficiency, by providing a nano-rod light emitting diode; providing quantum wells; and reducing the size of said nano-rod LED laterally in the quantum-well plane (x and y), thereby improving LED extraction efficiency.

Abstract: Selective layer disordering in a doped III-nitride superlattice can be achieved by depositing a dielectric capping layer on a portion of the surface of the superlattice and annealing the superlattice to induce disorder of the layer interfaces under the uncapped portion and suppress disorder of the interfaces under the capped portion. The method can be used to create devices, such as optical waveguides, light-emitting diodes, photodetectors, solar cells, modulators, laser, and amplifiers.

Abstract: An apparatus is described that selectively absorbs electromagnetic radiation. The apparatus includes a conducting surface, a dielectric layer formed on the conducting surface, and a plurality of conducting particles distributed on the dielectric layer. The dielectric layer can be formed from a material and a thickness selected to yield a specific absorption spectrum. Alternatively, the thickness or dielectric value of the material can change in response to an external stimulus, thereby changing the absorption spectrum.

Abstract: The present invention relates to a magnetic resonance imaging (MRI) contrast agent coated with carboxylated mannan, particularly a carboxylated mannan coated superparamagnetic MRI contrast agent specifically targeting antigen presenting cells and having excellent in vivo stability, and a method for producing the same. The MRI contrast agent coated with carboxylated mannan of the present invention can provide excellent in vivo stability and biocompatibility owing to its high surface negative charge, and can be introduced specifically into antigen presenting cells owing to mannose of mannan, so as to visualize the antigen presenting cells and the tissue containing the antigen presenting cells in MRI.

Abstract: This disclosure relates to a method of preparing a metal nanobelt. According to the method, a metal nanobelt having various applicabilities, for example, capable of easily forming a conductive film or a conductive pattern with excellent conductivity, may be easily prepared by a simple process at room temperature and atmospheric pressure. The method comprises reacting a conductive polymer and a metal salt.

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: Systems, methods, and devices of the various embodiments provide thermoset (or thermoplastic)/carbon nanotube (CNT) sheet nanocomposites fabricated by resistive heating assisted infiltration and cure (RHAIC) of a polymer matrix resin. In an embodiment, resin infusion may achieved by applying a first lower voltage to a CNT reinforcement. Once the resin infusion process is complete, the voltage may be increased to a second higher voltage which may rapidly cure the polymer matrix. In an embodiment, an epoxy SC-85 and hardener may be used. In another embodiment, present a bismaleimide (BMI) may be used for the matrix material.

Abstract: Discrete microstructures of predefined size and shape are prepared using sol-gel phase-reversible hydrogel templates. An aqueous solution of hydrogel-forming material is covered onto a microfabricated silicon wafer master template having predefined microfeatures, such as pillars. A hydrogel template is formed, usually by lowering the temperature, and the formed hydrogel template is peeled away from the silicon master template. The wells of predefined size and shape on the hydrogel template are filled with a solution or a paste of a water-insoluble polymer, and the solvent is removed to form solid structures. The formed microstructures are released from the hydrogel template by simply melting the hydrogel template in water. The microstructures are collected by centrifugation. The microstructures fabricated by this method exhibit pre-defined size and shape that exactly correspond to the microwells of the hydrogel template.

Abstract: In a method for functionalizing a carbon nanotube surface, the nanotube surface is exposed to at least one vapor including at least one functionalization species that non-covalently bonds to the nanotube surface, providing chemically functional groups at the nanotube surface, producing a functionalized nanotube surface. A functionalized nanotube surface can be exposed to at least one vapor stabilization species that reacts with the functionalization layer to form a stabilization layer that stabilizes the functionalization layer against desorption from the nanotube surface while providing chemically functional groups at the nanotube surface, producing a stabilized nanotube surface. The stabilized nanotube surface can be exposed to at least one material layer precursor species that deposits a material layer on the stabilized nanotube surface.

Abstract: Disclosed is a fuel cell with enhanced mass transfer characteristics in which a highly hydrophobic porous medium, which is prepared by forming a micro-nano dual structure in which nanometer-scale protrusions with a high aspect ratio are formed on the surface of a porous medium with a micrometer-scale roughness by plasma etching and then by depositing a hydrophobic thin film thereon, is used as a gas diffusion layer, thereby increasing hydrophobicity due to the micro-nano dual structure and the hydrophobic thin film. When this highly hydrophobic porous medium is used as a gas diffusion layer for a fuel cell, it is possible to reduce water flooding by efficiently discharging water produced by an electrochemical reaction of the fuel cell and to improve the performance of the fuel cell by facilitating the supply of reactant gases such as hydrogen and air (oxygen) to a membrane-electrode assembly (MEA).

Abstract: The present invention provides a porous medium with increased hydrophobicity and a method of manufacturing the same, in which a micro-nano dual structure is provided by forming nanoprotrusions with a high aspect ratio by performing plasma etching on the surface of a porous medium with a micrometer-scale surface roughness and a hydrophobic thin film is deposited on the surface of the micro-nano dual structure, thus significantly increasing hydrophobicity. When this highly hydrophobic porous medium is used as a gas diffusion layer of a fuel cell, it is possible to efficiently discharge water produced during electrochemical reaction of the fuel cell, thus preventing flooding in the fuel cell. Moreover, it is possible to sufficiently supply reactant gases such as hydrogen and air (oxygen) to a membrane electrode assembly (MEA), thus improving the performance of the fuel cell.

Abstract: The present invention relates to hierarchical structured nanotubes, to a method for preparing the same and to an application for the same, wherein the nanotubes include a plurality of connecting nanotubes for constituting a three-dimensional multi-dendrite morphology; and the method includes the following steps: (A) providing a polymer template including a plurality of organic nanowires; (B) forming an inorganic layer on the surface of the organic nanowires in the polymer template; and (C) performing a heat treatment on the polymer template having the inorganic layer on the surface so that partial atoms of the organic nanowires enter the inorganic layer.

Abstract: An embodiment of the present disclosure is directed to a semiconductor device. The semiconductor devise comprises a substrate. An epitaxially grown semiconductor material is disposed over at least a portion of the substrate. A nanotemplate structure is disposed at least partially within the semiconductor material. The nanotemplate structure comprises a plurality of dielectric nanoscale features defining a plurality of nanoscale windows. An air gap is disposed between at least a portion of one or more of the nanoscale features and the semiconductor material.

Abstract: A method is provided for fabricating a nanowire-based semiconductor structure. The method includes forming a first nanowire with a first polygon-shaped cross-section having a first number of sides. The method also includes forming a semiconductor layer on surface of the first nanowire to form a second nanowire with a second polygon-shaped cross-section having a second number of sides, the second number being greater than the first number. Further, the method includes annealing the second nanowire to remove a substantial number of vertexes of the second polygon-shaped cross-section to form the nanowire with a non-polygon-shaped cross-section corresponding to the second polygon-shaped cross-section.

Abstract: The present invention relates to colloidal quantum dots, to a process for producing such colloidal quantum dots, to the use thereof and to optoelectronic components comprising colloidal quantum dots.

Abstract: An intermediate transistor structure includes a fin structure disposed on a surface of an insulating layer. The fin structure has a gate structure disposed thereon between first and second ends of the fin structure. A first portion of the fin structure is a first doped portion that is disposed over a first recess in the surface of the insulating layer and a second portion of the fin structure is a second doped portion disposed over a second recess in the surface of the insulating layer. The intermediate transistor structure further includes source and drain metal disposed around the first and second doped portions, each inducing one of compression strain or tensile strain in a portion of the fin structure that is disposed within the gate structure and that functions during operation of the transistor as a channel of the transistor.

Abstract: Disclosed are a nanowire composition and a method of fabricating a transparent electrode. The nanowire composition includes a metallic nanowire, an organic binder, a surfactant, and a solvent. The metallic nanowire has a diameter of 30 nm to 50 nm, and a length of 15 ?m to 40 ?m, and a weight percentage of the metallic nanowire is in a range of 0.01% to 0.4%. The method of fabricating the transparent electrode includes preparing a nanowire composition, coating the nanowire composition on a substrate, and performing heat treatment with respect to the nanowire composition. The nanowire composition includes a metallic nanowire, an organic binder, a surfactant, and a solvent, and the metallic nanowire has a diameter of 30 nm to 50 nm, a length of 15 ?m to 40 ?m, and a weight percentage of 0.01% to 0.4%.

Abstract: A method of making a transparent conductive film includes the steps of: providing a carbon nanotube array. At least one carbon nanotube film extracted from the carbon nanotube array. The carbon nanotube films are stacked on the substrate to form a carbon nanotube film structure. The carbon nanotube film structure is irradiated by a laser beam along a predetermined path to obtain a predetermined pattern. The predetermined pattern is separated from the other portion of the carbon nanotube film, thereby forming the transparent conductive film from the predetermined pattern of the carbon nanotube film.

Abstract: The present invention relates to a method for producing mesoporous silica particles including a silica-containing outer shell portion with a mesoporous structure. The method includes the steps of: (I) pressurizing a mixed solution containing a hydrophobic organic compound, a surfactant, and an aqueous solvent by a high-pressure emulsification method so as to form an emulsion that includes emulsion droplets containing the hydrophobic organic compound; (II) adding a silica source to the emulsion so as to form a silica-containing outer shell portion with a mesoporous structure on a surface of the emulsion droplets, and precipitating composite silica particles including the outer shell portion and the emulsion droplets on an inner side relative to the outer shell portion; and (III) removing the emulsion droplets from the composite silica particles.

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: A material comprising positively and negatively charged nanoparticles, wherein one of said nanoparticles contained a magnetically responsive element, are combined with a support molecule, which is a long natural or synthetic molecule or polymer to make a magnetic nanoparticle assembly. When the magnetic nanoparticle assembly is combined with cells, it will magnetize those cells. The magnetized cells can then be washed to remove the magnetic nanoparticle assembly and the magnetized cells manipulated in a magnetic field.

Abstract: A magnetic material is disclosed, which includes magnetic particles containing at least one magnetic metal selected from the group including Fe, Co and Ni, and at least one non-magnetic metal selected from Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare earth elements, Ba and Sr; a first coating layer of a first oxide that covers at least a portion of the magnetic particles; oxide particles of a second oxide that is present between the magnetic particles and constitutes an eutectic reaction system with the first oxide; and an oxide phase that is present between the magnetic particles and has an eutectic structure of the first oxide and the second oxide.

Abstract: Methods are provided for forming a nanostructure array. An example method includes providing a first layer, providing nanostructures dispersed in a solution comprising a liquid form of a spin-on-dielectric, wherein the nanostructures comprise a silsesquioxane ligand coating, disposing the solution on the first layer, whereby the nanostructures form a monolayer array on the first layer, and curing the liquid form of the spin-on-dielectric to provide a solid form of the spin-on-dielectric. Numerous other aspects are provided.

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: A method for forming a nanoporous film pattern on a substrate comprising imparting differential surface energy to a surface of a substrate to define first areas having a first surface energy conducive to maintenance of a nanoporous film thereon and second areas having a second surface energy non-conducive to maintenance of a nanoporous film thereon, said first and second areas defining a differential surface energy pattern on the substrate; depositing a nanoporous film precursor onto the differential surface energy pattern; and curing the nanoporous film precursor to form the nanoporous film pattern.

Abstract: Extension regions 7 are formed through implantation using offset sidewalls 6a of a footing profile as a mask, and sidewalls 9 are formed on the offset sidewalls 6a so that source and drain regions 10 are formed into the sidewall through implantation, so that the extension regions 7 are made separated away from both edges of the gate, contributing to enlargement in an effective gate length, and dealing with the narrowed gate pitch, without increasing the number of processes.

Abstract: An intermediate transistor structure includes a fin structure disposed on a surface of an insulating layer. The fin structure has a gate structure disposed thereon between first and second ends of the fin structure. A first portion of the fin structure is a first doped portion that is disposed over a first recess in the surface of the insulating layer and a second portion of the fin structure is a second doped portion disposed over a second recess in the surface of the insulating layer. The intermediate transistor structure further includes source and drain metal disposed around the first and second doped portions, each inducing one of compression strain or tensile strain in a portion of the fin structure that is disposed within the gate structure and that functions during operation of the transistor as a channel of the transistor. A method to fabricate the structure is also disclosed.

Abstract: Selective epitaxy of a semiconductor material is performed on a semiconductor fin to form a semiconductor nanowire. Surfaces of the semiconductor nanowire include facets that are non-horizontal and non-vertical. A gate electrode can be formed over the semiconductor nanowire such that the faceted surfaces can be employed as channel surfaces. The epitaxially deposited portions of the faceted semiconductor nanowire can apply stress to the channels. Further, an additional semiconductor material may be added to form an outer shell of the faceted semiconductor nanowire prior to forming a gate electrode thereupon. The faceted surfaces of the semiconductor nanowire provide well-defined charge carrier transport properties, which can be advantageously employed to provide a semiconductor device with well-controlled device characteristics.

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: A system for self-aligning diamagnetic materials includes first and second magnets contacting each other along a contact line and having a diametric magnetization perpendicular to the contact line and a diamagnetic rod positioned to levitate above the contact line of the first and second magnets.

Abstract: A method of arranging a diamagnetic rod includes levitating a diamagnetic rod above a contact line at which a first magnet contacts a second magnet, the first magnet and the second magnet having diametric magnetization in a direction perpendicular to the contact line.

Abstract: A metallic nanoparticle coated microporous substrate, the process for preparing the same and uses thereof are described.

Abstract: Quantum dot delivery methods are described. In a first example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles. The method also involves forming a dispersion of the plurality of nano-particles in a medium for delivery or storage, wherein the medium is free of organic solvent. In a second example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles in an organic solvent. The method also involves drying the plurality of nano-particles for delivery or storage, the drying removing entirely all of the organic solvent.

Abstract: A process for depositing nanostructured material onto a particulate substrate material comprising the steps of: a) preparing a precursor material; b) forming an atomized dispersion containing nanophased material when subjecting said precursor material to elevated temperature; and c) contacting the atomized dispersion with the substrate material to deposit the nanophased material on the substrate material. The substrate material is in mobile and particulate form for contacting step (c). An apparatus for carrying out the process is also disclosed.