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Class 977/847 - Surface modifications (e.g., functionalization, coating, etc.)


Subclass of Class 977 - Nanotechnology
Definition: Subject matter wherein the process or apparatus is adapted
No. of patents: 26
Last issue date: 10/28/2008


NumberTitleIssue Date
7442568Method to fabricate combined UV light emitter and phosphor for white light generation
A method of forming carbon nanotubes includes incorporating phosphors in the form of quantum dots, along with the beads of ZnO on carbon nanotubes (CNTs) to generate white light. The ability to form a high density of quantum dots in a small volume allows for a high ...
10/28/2008
7439562Process for modifying at least one electrical property of a nanotube or a nanowire and a transistor incorporating it
The present invention concerns a method for modyfing at least an electronic property of a carbon nanotube or nanowire comprising exposing said nanotube or nanowire to an acid having the formula (I) wherein R1, R2 and R3 are chosen in...
10/21/2008
7419650Method for the production of functionalised short carbon nanotubes and functionalised short carbon nanotubes obtainable by said method
The present invention is related to a method for producing functionalised short carbon nanotubes with at least one open tip by mechanical treatment of long carbon nanotubes, wherein said long nanotubes are submitted to mechanical milling forces in the presence of a ...
09/02/2008
7413723Methods of oxidizing multiwalled carbon nanotubes
Methods of oxidizing multiwalled carbon nanotubes are provided. The multiwalled carbon nanotubes are oxidized by contacting the carbon nanotubes with gas-phase oxidizing agents such as CO2, O2, steam, N2O, NO, NO2, O3...
08/19/2008
7402295Oxyfullerene hollow nanospheres and process for the preparation thereof
A novel oxyfullerene hollow nanosphere of CxOyMnz (45≦x≦72, 18≦y≦42, 7≦z≦16; x, y and z are atomic percentages) has a large surface area and high thermal stability, and can be simply prepared by reacting fullerene with al...
07/22/2008
7384815Process for attaching molecular wires and devices to carbon nanotubes and compositions thereof
The present invention is directed towards processes for covalently attaching molecular wires and molecular electronic devices to carbon nanotubes and compositions thereof. Such processes utilize diazonium chemistry to bring about this marriage of wire-like nanotubes...
06/10/2008
7344691System and method for manipulating nanotubes
A system and method for manipulation of nanotubes using an organic material that is presented to the nanotubes. Exemplary types of manipulation include cutting nanotubes into shortened nanotubes, dispersing nanotubes, enabling dissolution of nanotubes, and noncovale...
03/18/2008
7300860Integrated circuit with metal layer having carbon nanotubes and methods of making same
A method of fabricating an integrated circuit comprises forming or providing a solution containing carbon nanotubes and forming a metal layer utilizing the solution. ...
11/27/2007
7288238Single-wall carbon nanotube alewives, process for making, and compositions thereof
The present invention involves alewives of highly aligned single-wall carbon nanotubes (SWNT), process for making the same and compositions thereof. The present invention provides a method for effectively making carbon alewives, which are discrete, acicular-shaped a...
10/30/2007
7276283Plasma-enhanced functionalization of carbon-containing substrates
Methods for producing plasma-treated, functionalized carbon-containing surfaces are provided. The methods include the steps of subjecting a carbon-containing substrate to a plasma to create surface active sites on the surface of the substrate and reacting the surfac...
10/02/2007
7271079Method of doping a gate electrode of a field effect transistor
A method of fabricating a structure and fabricating related semiconductor transistors and novel semiconductor transistor structures. The method of fabricating the structure includes: providing a substrate having a top surface; forming an island on the top surface of...
09/18/2007
7261924Method of coating a substrate with a polymer having a combination of crown ether and carbon nanotubes having guanidine groups
Disclosed herein is a method of forming a guanidine group on carbon nanotubes to improve the dispersibility of carbon nanotubes, a method of attaching carbon nanotubes having guanidine groups to a substrate, and carbon nanotubes and a substrate manufactured by the a...
08/28/2007
7253119Passivated nanoparticles, method of fabrication thereof, and devices incorporating nanoparticles
A plurality of semiconductor nanoparticles having an elementally passivated surface are provided. These nanoparticles are capable of being suspended in water without substantial agglomeration and substantial precipitation on container surfaces for at least 30 days. ...
08/07/2007
7250147Process for derivatizing carbon nanotubes with diazonium species
The invention incorporates new processes for the chemical modification of carbon nanotubes. Such processes involve the derivatization of multi- and single-wall carbon nanotubes, including small diameter (ca. 0.7 nm) single-wall carbon nanotubes, with diazonium speci...
07/31/2007
7217404Method of transforming carbon nanotubes
A method of transforming a carbon single wall nanotube (SWNT) is provided. The method comprises exposing the SWNT to light having a power sufficient to ignite or reconstruct the SWNT such that the SWNT is ignited or reconstructed by the exposure to the light. ...
05/15/2007
7161168Superlattice nanopatterning of wires and complex patterns
Fabrication of metallic or non-metallic wires with nanometer widths and nanometer separation distances without the use of lithography. Wires are created in a two-step process involving forming the wires at the desired dimensions and transferring them to a planar sub...
01/09/2007
7147894Method for assembling nano objects
A method for the self assembly of a macroscopic structure with a pre-formed nano object is provided. The method includes processing a nano object to a desired aspect ratio and chemical functionality and mixing the processed nano object with a solvent to form a suspe...
12/12/2006
7122165Sidewall-functionalized carbon nanotubes, and methods for making the same
The invention provides a method of functionalizing the sidewalls of a plurality of carbon nanotubes with oxygen moieties, the method comprising: exposing a carbon nanotube dispersion to an ozone/oxygen mixture to form a plurality of ozonized carbon nanotubes; and co...
10/17/2006
7091096Method of fabricating carbon nanotube field-effect transistors through controlled electrochemical modification
The invention relates to a method of fabricating a structure with field-effect transistors each comprising a source electrode, a drain electrode, a channel extending between the source and drain electrodes and at least one gate electrode associated with the channel ...
08/15/2006
6699525Method of forming carbon nanotubes and apparatus therefor
Carbon nanotubes are formed on a substrate by providing a coiled filament in a chemical vapor deposition chamber, supporting a substrate having a catalytic coating provided thereon inside the coiled filament, evacuating air, if present, from the chamber, ...
03/02/2004
6692324Single self-aligned carbon containing tips
Systems and methods are described for a single self-aligned carbon nanofiber emitters within a dielectric well. A method, includes: providing a substrate; defining lithographically a catalyst particle, the catalyst particle coupled to the substrate; depos...
02/17/2004
6669823Process for preparing nanostructured materials of controlled surface chemistry
A process to prepare stoichiometric-nanostructured materials comprising generating a plasma, forming an "active volume" through introduction of an oxidizing gas into the plasma, before the plasma is expanded into a field-free zone, either (1) in a region ...
12/30/2003
6656339Method of forming a nano-supported catalyst on a substrate for nanotube growth
Methods of forming a nano-supported catalyst on a substrate and at least one carbon nanotube on the substrate are comprised of configuring a substrate with an electrode (102), immersing the substrate with the electrode into a solvent containing a first me...
12/02/2003
6649672Binding agents modified by nanoparticles for coating agents and use of the same
Binders suitable for coating compositions, obtainable by reaction of one or more epoxy-functional binders with carboxyl-functional nanoparticles, and coating compositions containing them and the use thereof....
11/18/2003
6645628Carbon nanotube coated anode
A vacuum tube having its anode/collector coated with carbon nanotube-based material in which five percent or more of the carbon nanotubes are aligned parallel to the anode/collector's surface....
11/11/2003
6616497Method of manufacturing carbon nanotube field emitter by electrophoretic deposition
A method of manufacturing a carbon nanotube field emitter for field emission displays by electrophoresis is disclosed. The method of manufacturing involves: first, loading an electrode plate and the field emitter substrate, which are spaced apart from one...
09/09/2003
 
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