Patent application number | Description | Published |
20100270166 | Method of Forming an organic Film Using a Gel, Said Gel and Use Thereof - The invention relates to a process for forming a polymeric organic film on an electrically conductive or semiconductive surface by application of an electric potential between a gel, in contact with said surface, and said surface, the gel comprising (i) a protic solvent, (ii) compounds having colloidal properties, (iii) an adhesion primer, optionally (iv) a monomer and the potential applied being at least equal to the reduction potential of the adhesion primer. The invention also relates to said gel, to its use and to a kit for forming an organic film. | 10-28-2010 |
20100279900 | SOLID SUPPORT COMPRISING A FUNCTIONALIZED ELECTRICITY CONDUCTOR OR SEMICONDUCTOR SURFACE, METHOD FOR PREPARING SAME AND USES THEREOF - The present invention provides a method for encapsulating biocompatible polymers. The method comprises using a solid support comprising at least one electrically conducting and/or semiconducting region containing a reducible oxide on its surface, wherein at least one zone of this surface is functionalized with an electrografted organic film obtained from electroactive organic precursors each comprising at least one functional group of interest, and wherein the number of functional groups of interest accessible for the formation of a covalent, ionic or hydrogen bond with a complementary group within said film represents at least 90% of the total number of functional organic groups of interest, and wherein the density of the accessible functional groups of interest is between 10 | 11-04-2010 |
20110200790 | Method for Localised Electro-Grafting on Conducting or Semiconducting Substrates in the Presence of a Microelectrode - The present invention concerns a method for localized grafting of an organic film in a selected area of an electrically conducting or semiconducting substrate, in the presence of a liquid solution containing at least one organic adhesion primer and at least one radically polymerizable monomer, different from the organic adhesion primer, by applying an electric potential to the substrate in the presence of a polarized microelectrode. The present invention also concerns an insulating organic film grafted on a conducting or semiconducting substrate, capable of being prepared using said method. | 08-18-2011 |
20110244585 | CHEMICAL SENSORS CONTAINING CARBON NANOTUBES, METHOD FOR MAKING SAME, AND USES THEROF - A device is disclosed for detecting at least one chemical compound comprising at least one carbon nanotube with several graphene layers, on which is grafted at least one molecule bearing group G1 capable of reacting with the chemical compound or a precursor of such a group G1. The uses and the method of making such a device is also disclosed. | 10-06-2011 |
20110281441 | Process of Localized Electrografting onto Photosensitive Semiconductor Substrates - The present invention relates to a process for preparing an organic film on a selected zone at the surface of a photosensitive semiconductor substrate, characterized in that it comprises the following steps: (i) bringing a liquid solution comprising at least one organic adhesion primer into contact with at least said selected zone; (ii) polarization of the surface of said substrate to an electric potential more cathodic than the reduction potential of the adhesion primer used in step (i); and (iii) exposure of said selected zone to light radiation, the energy of which is at least equal to that of the band gap of said semiconductor. | 11-17-2011 |
20110294044 | Novel Materials and Their Use for the Electrocatalytic Evolution or Uptake of H2 - Novel materials comprising a solid support, linker arms and metal-organic complexes, and their use for the electrocatalytic production and oxidation of H2. Such materials can be used for the production of electrodes in the field of electronics, and notably electrodes for fuel cells, electrolysers and photoelectrocatalytical (PEC) devices. | 12-01-2011 |