Patent application number | Description | Published |
20090297849 | SILICON-BASED NANOWIRES AND METHOD OF DISPERSING THESE NANOWIRES - The invention provides a nanowire made of a silicon-based material, the surface of which includes at least one gold protuberance, said nanowire being noteworthy in that an organosulfur derivative is grafted onto at least one of these gold protuberances. | 12-03-2009 |
20100033198 | ELECTRICAL DETECTION AND/OR QUANTIFICATION OF ORGANOPHOSPHORUS COMPOUNDS - The present invention relates to a method and a device for the electrical detection and/or quantification of organophosphorus compounds present in gaseous form or in solution in a solvent. | 02-11-2010 |
20120012901 | Selective Functionalization by Joule Effect Thermal Activation - The invention relates to a method for functionalizing a conductive or semiconductor material (M) by covalent grafting of receptor molecules (R) to its surface, said method comprising the following steps: (i) applying, across the terminals of a source electrode and a drain electrode located on either side of the material (M), sufficient potential difference to thermally activate the material (M) with respect to the grafting reaction of the molecules (R); and (ii) placing the material (M) thus activated in contact with a liquid or gaseous medium containing receptor molecules (R), thereby obtaining a material (M) functionalized by covalently grafted receptor molecules (R). | 01-19-2012 |
20120184041 | Apparatus and Method for Detecting and/or Quantifying Compounds of Interest Present in Gaseous Form or Dissolved In A Solvent - The invention relates to an apparatus and method for detecting and/or quantifying compounds of interest present in gaseous form or dissolved in a solvent. The apparatus according to the invention includes an electrical device including two electrodes, and a device for measuring the variation in charges between the two electrodes of the electrical device. The electrical device includes a layer made of an insulating dielectric material onto which a layer of receptor molecules is grafted, and finally, a layer of semiconductor material is deposited onto the receptor molecule layer. The invention can be used in the field of detecting and/or quantifying compounds of interest present, in particular, in a gas or in a solution. | 07-19-2012 |
20130244334 | DEVICE FOR THE DETECTION AND/OR ELECTRICAL QUANTIFICATION OF ORGANOPHOSPHORUS COMPOUNDS BY MEANS OF MOLECULAR IMPRINTING - The present invention relates to a method and device for the detecting and/or electrically quantifying organophosphorus compounds as a gas or solution. The device includes: an electrical device including a source electrode and a drain electrode, separated by a semiconductor material; and a device for detecting positive charges between the two electrodes. One surface of the semiconductor material is in contact with a polymer material having at least one receptor group including: 1) a function X capable of reacting with the detectable organophosphorus compound, to form an intermediate grouping —Z; and 2) a function Y capable of reacting with —Z to form a positively charged ring. The polymer material includes molecular imprint cavities, with geometrical and chemical configuration allowing the detectable organophosphorus compounds to penetrate into said polymer material. The invention can be used in the field of detecting and/or quantifying organophosphorus compounds. | 09-19-2013 |
20150083466 | Method For The Functionalisation Of Metal Nanowires And The Production Of Electrodes - The invention relates to a method for the functionalisation of metal nanowires and the use of said nanowires. The functionalisation method of the invention includes a step comprising the formation of a self-assembled monolayer on at least part of the external surface of metal nanowires, using a compound of formula R | 03-26-2015 |
20150144590 | Process For Improving The Electrical And Optical Performance Of A Transparent Electrically Conductive Material Based On Silver Nanowires - The invention relates to a process for improving the electrical and optical performance of a transparent electrically conductive material having silver nanowires. The invention also relates to a process for manufacturing a film made of a transparent electrically conductive material, such as a transparent electrode, a transparent heating film, or a film for electromagnetic shielding. The process of the invention includes the following steps: a) a step of bringing silver nanowires into contact with an acid solution, this solution having a pH lower than 7, preferably lower than 3; and b) a step of eliminating the acid. The field of application of the invention is in particular the field of optoelectronics. | 05-28-2015 |
20150286077 | DISPLAY SCREEN AND ITS MANUFACTURING PROCESS - The invention relates to a display screen and its manufacturing process. The display screen of the invention comprises: a substrate made of a plastic; at least one transparent heating element; and at least one thermochromic compound, and is characterized in that the at least one transparent heating element comprises at least one optionally functionalized metal nanowire. The invention in particular has applications in the electronics industry. | 10-08-2015 |