| Patent application number | Description | Published |
|---|
| 20090098402 | Nanocrater catalyst in metal nanoparticles and method for preparing the same - Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles. | 04-16-2009 |
| 20090155163 | Transition Metal-Carbon Nanotube Hybrid Catalyst Containing Nitrogen, Method for Preparation Thereof, and Method for Generation of Hydrogen Using the Same - Disclosed are transition metal-carbon nanotube hybrid catalysts in which a transition metal having high catalytic activity is uniformly distributed on surface of a carbon nanotube containing nitrogen so as to maximize a surface area of the catalyst exhibiting catalytic activity, a method for preparation thereof, and a method for generation of hydrogen from an alkaline medium using the prepared catalyst. The transition metal-carbon nanotube hybrid catalyst containing N | 06-18-2009 |
| 20090194736 | Nanosized nickel-doped carbon nanotubes for hydrogen storage and production method thereof - Disclosed herein is a method of doping nanosized nickel (Ni) on the surface of carbon nanotubes to improve the hydrogen storage capacity of the carbon nanotubes. The method comprises: sonicating carbon nanotube samples produced by vapor deposition, in sulfuric acid solution, followed by filtration to remove a metal catalyst from the carbon nanotube samples; and doping the carbon nanotube samples in liquid phase solution, followed by drying and reduction, so as to dope nanosized nickel on the surface of the carbon nanotubes. | 08-06-2009 |
| 20100015031 | Carbonnitride nanotubes with nano-sized pores on their stems, their preparation method and control method of size and quantity of pore thereof - Disclosed are carbon nitride (C | 01-21-2010 |
| 20100022384 | Partially Deactivated Metal Catalysts and Methods for Preparing the Same - Disclosed are partially deactivated metal catalysts useful for modifying structures of nanomaterials. The present invention is also directed to a method for preparing the partially deactivated metal catalysts, which comprises patterning a substrate with micelles containing iron nanoparticles, removing the micelles from the patterned substrate to deposit the iron nanoparticles thereon, nitriding the iron nanoparticles using a nitrogen plasma, and exposing the nitrided iron nanoparticles to a mixture of ethanol and nitric acid to remove iron from the surface of the nitrided nanoparticles. The iron nitride metal catalyst with a nano-size according to the present invention comprises a core that includes deactivated iron nitride and an active shell surrounding the core. Thus, when preparing a carbon nanotube, the metal catalyst can be effectively used to control the number of walls formed in the carbon nanotube. | 01-28-2010 |
| 20100044630 | TiO2-xNx Nanotubes and Method for Preparing the Same | 02-25-2010 |
| 20100239494 | Method for Producing Hydrogen Using Block Copolymer and Oxidation Reaction of Metals - The present inventions are a method for production of hydrogen which decomposes water into hydrogen by oxidation of metals only when the metals are exposed to the water, while preventing oxidation of pure metal nanoparticles using block copolymers and, in addition, hydrogen produced by the method described above. The method of the present invention has advantages of improved convenience and simplicity, achieves a preferable approach for hydrogen storage because the metal nanoparticles enclosed by the block copolymer have the ease of delivery and reaction thereof. Additionally, the method of the present invention only using water and the metal is considered eco-friendly and useful in industrial energy applications. | 09-23-2010 |
| 20100310789 | Method for Preparation of Hybrid Comprising Magnetite Nanoparticles and Carbon Nitride Nanotubes - The present invention discloses a method for preparation of a hybrid comprising magnetite nanoparticles and carbon nitride nanotubes, comprising: preparing carbon nitride nanotubes by plasma chemical vapor deposition (CVD); dissolving the prepared carbon nitride nanotubes in triethyleneglycol to form solution and adding Fe (acetylacetonate) | 12-09-2010 |
| 20100311852 | PREPARING METHOD FOR MELAMINE-FORMALDEHYDE SPHERES - Disclosed is a preparing method for melamine-formaldehyde spheres (MFSs). The preparing method for MFS according to the present invention comprises mixing melamine in an aqueous formaldehyde solution and heating the solution to prepare a melamine-formaldehyde resin; admixing the melamine-formaldehyde resin with a surfactant, agitating the mixture, and centrifuging the mixture to prepare a solid powder; and washing the solid powder with an aqueous ethanol solution and drying the wetted solid powder to obtain the melamine-formaldehyde sphere. Regulating agitation speed of a mixture may control a size of the melamine-formaldehyde sphere. | 12-09-2010 |
| 20110009258 | Titanate Nanostructure and Method for Preparation Thereof - Disclosed is a titanate nanostructure, especially, represented by a chemical formula of NaKTi | 01-13-2011 |
| 20110034328 | Double Metal-Carbon Nanotube Hybrid Catalyst and Method for Preparation Thereof - Disclosed are a double metal-carbon nanotube hybrid catalyst comprising at least two of transition metals selected from a group consisting of Mn, Fe, Co, Ni, Cu, Mo, Tc, Ru, Rh, Pd, Ag, Re, Os, Ir and Pt which are distributed in the catalyst. The double metal-carbon nanotube hybrid catalyst contains at least two different transition metals with high catalytic activity and may generate hydrogen from an aqueous ammonia-borane (NH | 02-10-2011 |
| 20110038780 | NICKEL-CARBONITRIDE SPHERES AND METHOD OF MAKING THE SAME - Disclosed is a method for preparation of a nickel-carbonitride sphere, which includes preparing a melamine-formaldehyde resin, adding a nickel salt and a surfactant to the melamine-formaldehyde resin to prepare a nickel-melamine resin mixture, and conducting spray pyrolysis for the mixture to produce nickel-containing powder including nickel-carbonitride spheres. In addition, this method may further include thermal treatment of the nickel-containing powder. | 02-17-2011 |
| 20110110848 | Titanate Nanostructure and Method for Using Thereof - Disclosed is a titanate nanostructure, especially, represented by a chemical formula of AaBbTixOy wherein A and B are alkaline metals and 0≦a≦9, 0≦b≦9, 1≦a+b≦18, 1≦x≦10 and 2≦y≦20 with a, b, x and y each being an integer. A method for using the titanate nanostructure as a hydrogen storage medium is also provided. | 05-12-2011 |
| 20110152393 | Facile Synthesis of Microporous Triple-Bond Based Polymer Networks Using Acetylene Gas as a Building Unit - Disclosed is a method for synthesis of micro-porous triple-bond based polymer networks using acetylene gas. According to the disclosed methods for synthesis of micro-porous triple-bond based polymer networks, acetylene gas interconnects building units having iodine and/or bromine functional groups by coupling reactions to provide micro-porous triple-bond based polymer networks. | 06-23-2011 |
| 20110214723 | Dye-Sensitized Solar Cell Using Nitrogen Doped Carbon-Nano-Tube and Method for Manufacturing the Same - Provided are a dye-sensitized solar cell and a method for manufacturing the dye-sensitized solar cell using a carbon nanotube (CN | 09-08-2011 |
| 20110256316 | Method for Patterning Nanomaterial Using Solution Evaporation - Disclosed is a method for patterning a nanomaterial using solution evaporation. More particularly, the method for patterning a nanomaterial using solution evaporation includes; coating the nanomaterial with a polymer material and uniformly dispersing the coated nanomaterial in a solvent to prepare a solution containing the nanomaterial, and pouring the nanomaterial-containing solution on a substrate, enabling the nanomaterial to be patterned after evaporation of the solvent. | 10-20-2011 |
| 20120121499 | Transition Metal-Carbon Nanotube Hybrid Catalyst Containing Nitrogen, Method for Preparation Thereof, and Method for Generation of Hydrogen Using the Same - Disclosed are transition metal-carbon nanotube hybrid catalysts in which a transition metal having high catalytic activity is uniformly distributed on surface of a carbon nanotube containing nitrogen so as to maximize a surface area of the catalyst exhibiting catalytic activity, a method for preparation thereof, and a method for generation of hydrogen from an alkaline medium using the prepared catalyst. The transition metal-carbon nanotube hybrid catalyst containing N | 05-17-2012 |
| 20120142524 | NANOCRATER CATALYST IN METAL NANOPARTICLES AND METHOD FOR PREPARING THE SAME - Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles. | 06-07-2012 |
| 20130122646 | DYE-SENSITIZED SOLAR CELL USING NITROGEN DOPED CARBON-NANO-TUBE AND METHOD FOR MANUFACTURING THE SAME - Provided are a dye-sensitized solar cell and a method for manufacturing the dye-sensitized solar cell using a carbon nanotube (CN | 05-16-2013 |
| 20130192975 | Method of Manufacturing a Porous Gallium (III) Oxide Photocatalyst for Preparation of Hydrocarbons - The present invention relates to preparation of porous gallium (III) oxide [Ga | 08-01-2013 |
| 20130199923 | Method of Manufacturing Heterogeneous Catalyst Using Space Specificity - The present invention relates to a method of manufacturing a heterogeneous catalyst using space specificity, comprising: depositing a metal in a core of micelles provided on a substrate; depositing an oxide around a shell of the micelles after the deposition of the metal in the core of the micelle; and reducing the metal in the core of the micelles after the deposition of the oxide, then, removing the micelles, and a method for generation of hydrogen through decomposing water in the presence of the heterogeneous catalyst prepared according to the aforesaid method under a light source. | 08-08-2013 |
| 20130240032 | Dye-Sensitized Solar Cell Using Nitrogen Doped Carbon-Nano-Tube and Method for Manufacturing the Same - Provided are a dye-sensitized solar cell and a method for manufacturing the dye-sensitized solar cell using a carbon nanotube (CN | 09-19-2013 |
| 20140021589 | Semiconductor Photocatalyst Coated with Graphitic Carbon Film and Method of Fabricating the Same - A semiconductor of which a substance such as a semiconductor photocatalyst is uniformly coated on the surface thereof with a graphitic carbon film and a method of fabricating the same are disclosed. According to the inventive method, a graphitic carbon film having a thickness of 1 nm or less is uniformly formed on the surface of the semiconductor by performing hydrothermal synthesis and pyrolysis on glucose, so as to keep the original structure crystallinity of the semiconductor photocatalyst to be a support of the carbon film. | 01-23-2014 |
