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Tuesday, Nov 3
Functionalized carbon nanotubes
Carbon nanotubes are grown on a first substrate. The CNTs grown on the first substrate are immersed in a biological solution at a predetermined depth to functionalize ends of the CNTs with a biological molecule. The functionalized CNTs are harvested from the first substrate. A second subs...
Thursday, Oct 29
METHOD OF MAKING ZINC OXIDE NANOWIRES
Methods for selectively depositing nanostructures on a support layer include contacting the support layer with functionalized catalyst particles. The functionalized catalyst particles can form a self-assembled monolayer of catalyst particles on the support layer and the functi...
ALIGNED CARBON NANOTUBE-POLYMER MATERIALS, SYSTEMS AND METHODS
The invention is directed to carbon nanostructure composite systems which may be useful for various applications, including as dry adhesives, self-cleaning applications, electronics and display technologies, or in a wide variety of other areas where organized nanostructures ma...
ULTRA-LOW REFRACTIVE INDEX HIGH SURFACE AREA NANOPARTICULATE FILMS AND NANOPARTICLES
Nanoparticles having a mean particle size of less than about 25 nanometers and a mean pore size of less than 10 nanometers, and a mean surface area of at least 500 m 2 /g; nanoporous films of such nanoparticles; and composites and devices containing such nanoparticles and nanoporous film...
METHOD FOR MAKING THERMAL INTERFACE MATERIAL
A method for making a thermal interface material includes the steps of: (a) providing an array of carbon nanotubes formed on a substrate, the carbon nanotubes having interfaces defined therebetween; (b) providing a transferring device and disposing at least one low melting point met...
METHOD FOR MANUFACTURING A TRANSPARENT CONDUCTIVE ELECTRODE USING CARBON NANOTUBE FILMS
The present invention relates to a method for preparing a transparent electrode using a carbon nanotube(CNT) film, and more particularly, to a method for preparing a transparent electrode, the method comprising the steps of forming a CNT film on a desired substrate using a dispersed s...
Separation column for chromatographs
In a chromatograph, a separation column is disposed between an injection system and a detector. The separation column includes a bundle of capillaries which are formed of carbon nanotubes with a typical diameter of 0.5 nm to 5 nm and may number in the several hundreds.
Methods of Manufacture for Quantum Dot optoelectronic devices with nanoscale epitaxial lateral overgrowth
Optoelectronic devices are provided that incorporate quantum dots as the electroluminescent layer in an inorganic wide-bandgap heterostructure. The quantum dots serve as the optically active component of the device and, in multilayer quantum dot embodiments, facilitate nanosca...
Tuesday, Oct 27
Surface engineered nanoparticles for improved surface enhanced Raman scattering applications and method for preparing same
A method for producing metal nanoparticles that when associated with an analyte material will generate an amplified SERS spectrum when the analyte material is illuminated by a light source and a spectrum is recorded. The method for preparing the metal nanoparticles comprises the step...
Thursday, Oct 22
SHEAR REACTOR FOR VORTEX SYNTHESIS OF NANOTUBES
Continuous nanotube synthesis by vortex deposition occurs in an axially-fed shear reactor comprising coaxial counter-rotating disk impeller/electrodes charged as anodes. Nanotube evolving ends, charged as cathodes, point toward the anode axis of rotation and protrude into the s...
Spray method for producing semiconductor nano-particles
A method is provided for producing semiconductor nanoparticles comprising: (i) dissolving a semiconductor compound or mixture of semiconductor compounds in a solution; (ii) generating spray droplets of the resulting solution of semiconductor compound(s); (iii) vaporizing the...
Method for making carbon nanotubes
A method for making carbon nanotubes that includes the following steps. A metal substrate is provided. The surface of the metal substrate is polished. The polished metal substrate is put into a reaction device. A protecting gas is introduced to the reaction device while the environment ins...
Stimulus Responsive Nanoparticles
Disclosed are various embodiments of methods and systems related to stimulus responsive nanoparticles. In one embodiment includes a stimulus responsive nanoparticle system, the system includes a first electrode, a second electrode, and a plurality of elongated electro-responsi...
Targeted hollow gold nanostructures and methods of use
Provided are novel nanostructures comprising hollow nanospheres and nanotubes for use as chemical sensors and molecular specific photothermal coupling agents. The nanostructures can be used in laser-induced phototherapy for treatment of cancer and other disorders. The nanostruc...
Organic-inorganic hybrid structures having nanoparticles adhering thereon and method for preparing the same
The invention disclosed herein provides an organic-inorganic hybrid structure having nanoparticles attached to the surface thereof, wherein the structure comprises a self-assembled structure of a coordination polymer, which includes a metal-organic ligand complex, as well as...
Tuesday, Oct 20
Doped nanoparticle-based semiconductor junction
A doped semiconductor junction for use in an electronic device and a method for making such junction is disclosed. The junction includes a first polycrystalline semiconductor layer doped with donors or acceptors over a substrate such that the first doped semiconductor layer has a firs...
Method of removing carbonaceous impurities in carbon nanotubes
A method of selectively removing carbonaceous impurities from carbon nanotubes (CNTs). In an example method, impurities formed on the surface of the CNTs may be removed by a sulfidation reaction between the impurities and sulfur in a sealed space. More specifically, a method of selecti...
Metallic dispersion
A compound film may be formed by formulating a mixture of elemental nanoparticles composed of the Ib, the IIIa, and, optionally, the VIa group of elements having a controlled overall composition. The nanoparticle mixture is combined with a suspension of nanoglobules of gallium to form...
Thursday, Oct 15
Nanoscale Clusters and Methods of Making Same
The present invention is a method of making a nanocluster. The method comprises providing a surface comprising at least one anchoring biomolecule, wherein the surface is in a solution; adding an initial recognition-nano-component to the solution wherein the initial recognition-na...
METHOD FOR PRODUCING CARBON NANOTUBE
A method for producing carbon nanotubes uses a polymer as a raw material to undergo in situ thermal decomposition. The method includes steps of mixing the polymer and metallic catalyst through a multiple heating stage process of in-situ thermal decomposition to carbonize the polymer a...
Process for Fabricating Nanowire Arrays
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 sili...
Tuesday, Oct 13
Method of preparing single nanoparticle containing organic-inorganic composite material
There is provided an organic-inorganic composite material containing a single nanoparticle therein, which is prepared by individually dispersing hydrophilic inorganic nanoparticles having a uniform particle size and conjugating biodegradable polymers to the surface of the na...
Fabrication of carbon nanotube reinforced epoxy polymer composites using functionalized carbon nanotubes
The present invention is directed to methods of integrating carbon nanotubes into epoxy polymer composites via chemical functionalization of carbon nanotubes, and to the carbon nanotube-epoxy polymer composites produced by such methods. Integration is enhanced through improved...
Thursday, Oct 8
Composite materials comprising PPTA and nanotubes
Disclosed is a composite material comprising PPTA (poly-p-phenyleneterephthalamide) and nanotubes having an aspect ratio of at least 100 and a cross-sectional diameter of 5 nm or less, the composite material containing up to 12 wt. % of nanotubes, obtainable by adding the nanotubes t...
INTERCONNECTED NANOSYSTEMS
Communication to or from a nanodevice is provided with a nanostructure-based antenna, preferably formed from, but not limited to, a single wall nanotube (SWNT). Other nanostructure-based antennas include double walled nanotubes, semiconducting nanowires, metal nanowires and th...
SYSTEM AND METHOD FOR GROWING NANOTUBES WITH A SPECIFIED ISOTOPE COMPOSITION VIA ION IMPLANTATION USING A CATALYTIC TRANSMEMBRANE
An ion source(s) is configured to generate ions from one or more elements including a plurality of different isotopes or unique molecular combinations of two or more different isotopes from at least one of the selected elements. A selection filter(s) directs a subset of the ions onto a ca...
Growth of Boron Nanostructures with Controlled Diameter
A process for growth of boron-based nanostructures, such as nanotubes and nanowires, with a controlled diameter and with controlled chemical (such as composition, doping) as well as physical (such as electrical and superconducting) properties is described. The boron nanostructur...
METHOD FOR PURIFICATION OF SEMICONDUCTING SINGLE WALL NANOTUBES
A process of forming a semiconductive carbon nanotube structure includes imposing energy on a mixture that contains metallic carbon nanotubes and semiconductive carbon nanotubes under conditions to cause the metallic carbon nanotubes to be digested or to decompose so that they may...
Tuesday, Oct 6
Aqueous dispersions of nanoparticle/polyurethane composites
An aqueous dispersion of nanoparticle/polyurethane composites is made by forming a mixture of nanoparticles and a continuous mass of a polyurethane prepolymer in the substantial absence of water and dispersing the mixture so made in aqueous medium. Alternatively, a polyurethane pr...
Core-shell fluorescent nanoparticles
A fluorescent nanoparticle includes a core comprising an alkenylbenzene; an intermediate layer, an outer shell layer, and a fluorescent portion. The fluorescent portion includes a structure represented by the following formula: wherein L is a direct bond or a linker group, and F is an...
Method for producing carbon nanotubes
An exemplary method for producing carbon nanotubes includes the following steps. First, a reaction chamber is provided. The reaction chamber defines a reaction region therein. Second, a substrate having a catalyst layer formed thereon is provided. Third, the substrate is disposed in th...
Method of carbon nanotube modification
Carbon nanotube apparatus, and methods of carbon nanotube modification, include carbon nanotubes having locally modified properties with the positioning of the modifications being controlled. More specifically, the positioning of nanotubes on a substrate with a deposited subst...
Thursday, Oct 1
MESOPOROUS ACTIVATED CARBONS
Catalytically activated carbon materials and methods for their preparation are described. The activated carbon materials are engineered to have a controlled porosity distribution that is readily optimized for specific applications using metal-containing nanoparticles as acti...
SYSTEMS AND METHODS FOR FABRICATION AND TRANSFER OF CARBON NANOTUBES
Systems and methods for fabrication, delivery, and transfer of carbon nanotubes are provided. In accordance with some embodiments, carbon nanotubes can be grown and then transferred to a surface for carrying grown nanotubes. Grown nanotubes can be formed in a mat of nanotubes that are i...
HIGH-FREQUENCY MAGNETIC MATERIAL AND METHOD OF MANUFACTURING THE SAME
To provide a high-frequency magnetic material having a superior radio wave absorption property in a high frequency region and a method of manufacturing the same. The high-frequency magnetic material and the method of manufacturing the same includes a magnetic substance containing m...
METHODS FOR FORMING CARBON NANOTUBES
Methods of forming a roughened metal surface on a substrate for nucleating carbon nanotube growth, and subsequently growing carbon nanotubes are provided. In preferred embodiments roughened surfaces are formed by selectively depositing metal or metal oxide on a substrate surface t...
MONODISPERSED ORGANIC MONOLAYER COATED CALCIUM-CONTAINING NANOPARTICLES
A method for the synthesis of monodispersed, organic-monolayer coated, calcium-containing nanoparticles is presented. A biphasic liquid system comprises an aqueous phase of bare particles and an organic phase containing organic molecules with carboxylic acid end group is mixed. T...
METHOD OF ALIGNING NANOTUBES
A method of aligning nanotubes is described, where a plurality of channels is provided on a substrate ( 100 ), a suspension of nanotubes is placed on or adjacent an open surface of the channels ( 102 ) and the suspension is allowed to flow into the channels to align the nanotubes substantial...
METHOD AND SYSTEM FOR NEAR-FIELD SPECTROSCOPY USING TARGETED DEPOSITION OF NANOPARTICLES
There is provided in one embodiment of the invention a method for analyzing a sample material using surface enhanced spectroscopy. The method comprises the steps of imaging the sample material with an atomic force microscope (AFM) to select an area of interest for analysis, depositing...
Tuesday, Sep 29
Nanoparticles comprising a metal core and an organic double coating useful as catalysts and device containing the nanoparticles
The invention relates to novel nanoparticles comprising a metal core containing at least one platinoid or an alloy of a platinoid, a first organic coating formed from molecules attached to the surface of the metal core, and a second organic coating formed from molecules different from...
Cross-linked polymeric nanoparticles and metal nanoparticles derived therefrom
There are provided internally cross-linked, stables polymeric materials, in the form of substantially spherical particles, each particle consisting essentially of a single macromolecule. They have the unusual property of being soluble or dispersible in a liquid medium without si...
