Patent application number | Description | Published |
20130056346 | PRODUCTION OF GRAPHENE USING ELECTROMAGNETIC RADIATION - Methods for converting graphite oxide into graphene by exposure to electromagnetic radiation are described. As an example, graphene oxide may be rapidly converted into graphene upon exposure to converged sunlight. | 03-07-2013 |
20140054490 | GRAPHENE COMPOSITES WITH DISPERSED METAL OR METAL OXIDE - Metal-graphene nanocomposites, metal-oxide-graphene nanocomposites, and method for their preparation are described. According to some embodiments, a metal salt is combined with graphite oxide (GO) to form a metal salt-GO composite. The metal salt-GO composite is reduced to a metal-graphene or metal oxide-graphene nanocomposite material. The metals may be magnetic or non-magnetic. In some embodiments, the reduction is conducted via exposure to intensified electromagnetic radiation, such as focused solar radiation. | 02-27-2014 |
20140356277 | PRODUCTION OF GRAPHENE USING ELECTROMAGNETIC RADIATION - Methods for converting graphite oxide into graphene by exposure to electromagnetic radiation are described. As an example, graphene oxide may be rapidly converted into graphene upon exposure to converged sunlight. | 12-04-2014 |
20150200403 | METAL-ALLOY GRAPHENE NANOCOMPOSITES AND METHODS FOR THEIR PREPARATION AND USE - Methods of forming a metal-alloy graphene nanocomposites are provided. The methods include providing a graphene substrate and forming a conducting polymer layer on a first major surface of the graphene substrate. The methods also include pyrolyzing the conducting polymer layer to form a nitrogen-doped graphene substrate and dispersing a plurality of metal-alloy nanoparticles on a first surface of the nitrogen-doped graphene substrate to form the nanocomposite. | 07-16-2015 |
20150255801 | METAL NANOPARTICLE-GRAPHENE COMPOSITES AND METHODS FOR THEIR PREPARATION AND USE - Methods of forming metal nanoparticle-graphene composites are provided. The methods can include mixing a metal precursor with graphite oxide in the presence of a liquid medium to form a metal precursor-graphite oxide mixture, and exfoliating the graphite oxide and reducing the metal precursor in the metal precursor-graphite oxide mixture to deposit metal nanoparticles on a first major surface of a graphene sheet formed by exfoliation of the graphite oxide. | 09-10-2015 |
20150337090 | GRAPHENE FUNCTIONALIZED CARBON NANOTUBE POLYMER COMPOSITES AND METHODS FOR THEIR PREPARATION AND USE - Methods of forming graphene functionalized carbon nanotube polymer composites are provided. The methods can include functionalizing a plurality of carbon nanotubes using conducting functional molecules to form a composite nanofiller and embedding the composite nanofiller within a polymer material to form the graphene functionalized carbon nanotube polymer composite. | 11-26-2015 |
20150345034 | SYSTEMS, METHODS, AND MATERIALS FOR PRODUCING HYDROCARBONS FROM CARBON DIOXIDE - Disclosed herein are systems and methods to effectively convert carbon dioxide to hydrocarbons by electrochemical and/or photoelectrochemical methods. In one embodiment, a photoelectro-chemical cell may include an anode, a cathode comprising a carbon material, wherein the carbon material is surface functionalized with at least one poly(ionic) liquid, and wherein at least one metallic nanoparticle is disposed on the functionalized carbon material surface, and an energy source configured to irradiate the anode. | 12-03-2015 |
20150367322 | DIATOM-BASED NANOCOMPOSITES, METHODS FOR THEIR PREPARATION AND USE - Methods of forming a diatom-based nanocomposite are provided. The methods include mixing at least one diatomic material, one or more metal precursors, and functionalized graphite oxide to form a mixture. The methods also include exfoliating the mixture in presence of hydrogen to reduce functionalized graphite oxide to graphene and reducing the one or more metal precursors to metal nanoparticles. The methods further include depositing the metal nanoparticles on the diatomic material to form the diatom-based nanocomposite. | 12-24-2015 |