| Patent application number | Description | Published |
|---|
| 20100143234 | METHODS OF PREPARING AND PURIFYING CARBON NANOTUBES, CARBON NANOTUBES, AND AN ELEMENT USING THE SAME - A method of preparing carbon nanotubes (CNT), a method of purifying carbon nanotubes, carbon nanotubes, and an element using said carbon nanotubes are provided. The method includes preparing carbon nanotubes by arc-discharge and employs a coordination chemistry process to remove a catalyst and/or optional promoter used in arc-discharge. | 06-10-2010 |
| 20100193747 | PROCESS OF PREPARING CARBON NANOTUBE FILM, THE CARBON NANOTUBE FILM PREPARED THEREBY AND CARBON NANOTUBE ELEMENTS COMPRISING THE SAME - A process of a preparing transparent conductive carbon nanotube (CNT) film, the carbon nanotube film prepared by the process, and carbon nanotube elements including the carbon nanotube film are provided. The carbon nanotube film has a higher transparency and much lower sheet resistance compared with the carbon nanotube film obtained by a conventional filtration process. | 08-05-2010 |
| 20110052479 | METHOD FOR PREPARING CARBON NANOTUBES, CARBON NANOTUBE FILMS, AND ELECTRONIC DEVICES - A method for preparing carbon nanotubes for synthesizing carbon nanotubes, fabricating carbon nanotube films and electronic devices is provided. The method for preparing carbon nanotubes can repair the defects in side walls of carbon nanotubes under stable condition easily and prepare carbon nanotubes of excellent properties. The method utilizes uric acid solution or ammonia water to treat carbon nanotubes after acidifying the carbon nanotubes by refluxing with nitric acid. The treatment temperature is, for example, 25° C.˜90° C., and treatment time is at least two 2 days. Preferably, the carbon nanotubes are treated with thionyl chloride solution before being treated with uric acid solution or ammonia water. | 03-03-2011 |
| Patent application number | Description | Published |
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| 20090142251 | METHOD FOR TREATING CARBON NANOTUBES, CARBON NANOTUBES AND CARBON NANOTUBE DEVICES - A method for treating carbon nanotubes is provided. In the method for treating carbon nanotubes (CNTs), the CNTs are treated with SO | 06-04-2009 |
| 20090202422 | METHOD FOR TREATING CARBON NANOTUBES, CARBON NANOTUBES AND CARBON NANOTUBE DEVICE - A method for treating carbon nanotubes is proved, which comprises treating the carbon nanotubes with an aqueous solution containing hydroxyl radicals (HO.). | 08-13-2009 |
| 20090211901 | METHODS FOR PREPARING CNT FILM, CNT FILM WITH A SANDWICH STRUCTURE, AN ANODE INCLUDING THE CNT FILM AND AN ORGANIC LIGHT-EMITTING DIODES INCLUDING THE ANODE AND CNT DEVICE - Methods for preparing flexible transparent conducting carbon nanotube (CNT) films, the CNT film prepared from said methods, a method of treating CNT film by using thionyl bromide (SOBr | 08-27-2009 |
| 20090285746 | METHOD FOR TREATING CARBON NANOTUBES, CARBON NANOTUBES AND CARBON NANOTUBES DEVICE COMPRISING THEREOF - An efficient and cost-effective method for treating carbon nanotubes (CNTs) is provided. The method includes comprising: dispersing said carbon nanotubes in a dispersing medium to prepare a dispersion system; mixing said dispersion system with adsorbent so that type-specific carbon nanotubes contained in said dispersion system are absorbed onto the adsorbent, wherein the adsorbent is modified by a chemical/biological modifier so as to have different adsorption selectivity to carbon nanotubes of different types; and separating the adsorbent from the dispersion system, whereby the type-specific carbon nanotubes adsorbed onto the adsorbent is separated from the carbon nanotubes of another type enriched in the dispersion system; carbon nanotubes produced by the treatment method, and CNTs devices comprising thereof. | 11-19-2009 |
| 20100080749 | CARBON NANOTUBES, A METHOD OF PREPARING THE SAME AND AN ELEMENT USING THE SAME - Carbon nanotubes, a method for preparing the same and an element using the same are provided. The method for preparing carbon nanotubes includes synthesizing carbon nanotubes from carbon source using an arc-discharge method in the presence of catalysts and promoter, wherein the promoter contains an element capable of reducing the surface energy of carbon nanotubes. Carbon nanotubes with high purity and narrow diameter distribution can thus be prepared. | 04-01-2010 |
