Patent application number | Description | Published |
20090001355 | POLYMERIC MATERIAL, METHOD OF FORMING THE POLYMERIC MATERIAL, AND METHOD OF FORMING A THIN FILM USING THE POLYMERIC MATERIAL - A method of forming a polymeric material with a pendant polycyclic aromatic compound precursor includes forming a polycyclic aromatic compound precursor (e.g., a pentacene precursor) including at least one polymerizable functionality, and polymerizing the polymerizable functionality to form the polymeric material with the pendant precursor. | 01-01-2009 |
20090272967 | PENTACENE-CARBON NANOTUBE COMPOSITE, METHOD OF FORMING THE COMPOSITE, AND SEMICONDUCTOR DEVICE INCLUDING THE COMPOSITE - A composite material includes a carbon nanotube, and plural pentacene molecules bonded to the carbon nanotube. A method of forming the composite layer, includes depositing on a substrate a dispersion of soluble pentacene precursor and carbon nanotubes, heating the dispersion to remove solvent from the dispersion, heating the substrate to convert the pentacene precursor to pentacene and form the carbon nanotube-pentacene composite layer. | 11-05-2009 |
20090291041 | METHODS FOR SEPERATING CARBON NANOTUBES BY ENHANCING THE DENSITY DIFFERENTIAL - A method for separating carbon nanotubes comprises: providing a mixture of carbon nanotubes; introducing an organic molecule having an end group capable of being chelated by a metal ion to the mixture of carbon nanotubes to covalently bond the organic molecule to at least one of the mixture of carbon nanotubes; and introducing a metal salt to the mixture of carbon nanotubes to chelate the end group of the organic molecule with the metal ion of the metal salt; and centrifuging the mixture of carbon nanotubes to cause the separation of the carbon nanotubes based on a density differential of the carbon nanotubes. | 11-26-2009 |
20100044678 | METHOD OF PLACING A SEMICONDUCTING NANOSTRUCTURE AND SEMICONDUCTOR DEVICE INCLUDING THE SEMICONDUCTING NANOSTRUCTURE - A method of placing a functionalized semiconducting nanostructure, includes functionalizing a semiconducting nanostructure including one of a nanowire and a nanocrystal, with an organic functionality including a functional group for bonding to a bonding surface, dispersing the functionalized semiconducting nanostructure in a solvent to form a dispersion, and depositing the dispersion onto the bonding surface. | 02-25-2010 |
20110163303 | POLYMERIC MATERIAL, METHOD OF FORMING THE POLYMERIC MATERIAL, AND MEHTOD OF FORMING A THIN FILM USING THE POLYMERIC MATERIAL - A polymeric material includes a pendant polycyclic aromatic compound precursor. | 07-07-2011 |
20110180777 | METHOD OF PLACING A SEMICONDUCTING NANOSTRUCTURE AND SEMICONDUCTOR DEVICE INCLUDING THE SEMICONDUCTING NANOSTRUCTURE - A semiconductor device includes a bonding surface, a semiconducting nanostructure including one of a nanowire and a nanocrystal, which is formed on the bonding surface, and a source electrode and a drain electrode which are formed on the nanostructure such that the nanostructure is electrically connected to the source and drain electrodes. | 07-28-2011 |
20110204318 | FORMATION OF CARBON AND SEMICONDUCTOR NANOMATERIALS USING MOLECULAR ASSEMBLIES - The invention is directed to a method of forming carbon nanomaterials or semiconductor nanomaterials. The method comprises providing a substrate and attaching a molecular precursor to the substrate. The molecular precursor includes a surface binding group for attachment to the substrate and a binding group for attachment of metal-containing species. The metal-containing species is selected from a metal cation, metal compound, or metal or metal-oxide nanoparticle to form a metallized molecular precursor. The metallized molecular precursor is then subjected to a heat treatment to provide a catalytic site from which the carbon nanomaterials or semiconductor nanomaterials form. The heating of the metallized molecular precursor is conducted under conditions suitable for chemical vapor deposition of the carbon nanomaterials or semiconductor nanomaterials. | 08-25-2011 |
20130015433 | PENTACENE-CARBON NANOTUBE COMPOSITE, METHOD OF FORMING THE COMPOSITE, AND SEMICONDUCTOR DEVICE INCLUDING THE COMPOSITE - A method of forming a carbon nanotube-pentacene composite layer, includes depositing on a substrate a dispersion of soluble pentacene precursor and carbon nanotubes, heating the dispersion to remove solvent from the dispersion, and heating the substrate to convert the pentacene precursor to pentacene and form the carbon nanotube-pentacene composite layer. | 01-17-2013 |
20130146854 | PHOSPHORESCENT SMALL MOLECULES THAT ARE BONDED TO INORGANIC NANOCRYSTAL HOST FOR ORGANIC LIGHT EMITTING DEVICES AND METHODS OF MAKING THE SAME - A first device comprising a first organic light emitting device (OLED) is described. The first OLED includes an anode, it cathode and an emissive layer disposed between the anode and the cathode. The emissive layer includes a phosphorescent emissive dopant and a host material, that includes nanocrystals. The phosphorescent emissive dopant is bonded to the host material by a bridge moiety. | 06-13-2013 |
20140034939 | POLYMERIC MATERIAL, METHOD OF FORMING THE POLYMERIC MATERIAL, AND METHOD OF FORMING A THIN FILM USING THE POLYMERIC MATERIAL - An organic semiconductor device includes a thin film comprising a polycyclic aromatic compound in a polymer matrix, the thin film including a substantially uniform thickness, such that a thickness of the thin film varies by no greater than 1.0 micrometer over the thin film. | 02-06-2014 |
20140050851 | COLLOIDAL NANOCRYSTAL-BASED THIN FILM AND SOLUTION APPARATUSES AND METHODS - Methods of exchanging ligands to form colloidal nanocrystals (NCs) with chalcogenocyanate (xCN)-based ligands and apparatuses using the same are disclosed. The ligands may be exchanged by assembling NCs into a thin film and immersing the thin film in a solution containing xCN-based ligands. The ligands may also be exchanged by mixing a xCN-based solution with a dispersion of NCs, flocculating the mixture, centrifuging the mixture, discarding the supernatant, adding a solvent to the pellet, and dispersing the solvent and pellet to form dispersed NCs with exchanged xCN-ligands. The NCs with xCN-based ligands may be used to form thin film devices and/or other electronic, optoelectronic, and photonic devices. Devices comprising nanocrystal-based thin films and methods for forming such devices are also disclosed. These devices may be constructed by depositing NCs on to a substrate to form an NC thin film and then doping the thin film by evaporation and thermal diffusion. | 02-20-2014 |
20140203259 | HOST FOR ORGANIC LIGHT EMITTING DEVICES - A first device comprising a first organic light emitting device (OLED) is described. The first OLED includes an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer includes a phosphorescent emissive dopant and a host material. The host material includes inorganic nanocrystals where (i) at least 50% of ligands bonded to said nanocrystals are compact ligands, (ii) an average interparticle distance between adjacent nanoparticles is ≦1 nm, or (iii) both. Also described are a method of making the emissive layer and a composition that includes the phosphorescent emissive dopant with the host materials that include the electronically-coupled inorganic nanocrystal host material. | 07-24-2014 |