Abstract: An electric cable has at least one elongated electrical conductor (1), at least one electrically insulating layer (2) surrounding the elongated electrical conductor (1), and at least one metal layer (3) surrounding electrically insulating layer (2). The metal layer (3) has metal nanowires.

Abstract: The present invention relates to a process for purifying metal nanowires, comprising at least the following steps: (i) providing a suspension of metal nano-objects in a hydroalcoholic solvent medium having a viscosity at 25° C. strictly less than 10 mPa·s, the metal nano-objects including fine nanowires and additional nanoparticles different from the fine nanowires; (ii) adding, to the metal nano-object suspension, metalloid or metal oxide nanoparticles having a diameter less than or equal to 50% of the average diameter of the nanowires; (iii) allowing the suspension of metal nano-objects with the added metalloid or metal oxide nanoparticles to settle under conditions conducive to the precipitation of the fine metal nanowires; and (iv) recovering the settled solids made from the fine metal nanowires.

Abstract: The present invention relates to an electric cable comprising: at least one elongated electrical conductor (1), at least one electrically insulating layer (2) surrounding said elongated electrical conductor (1), at least one metal layer (3) surrounding said electrically insulating layer (2), characterized in that the metal layer (3) comprises metal nanowires.

Abstract: Isolating metal nanowires from a reaction mixture also containing ancillary inorganic particles distinct from the nanowires, includes: providing a mixture of metal nanowires with large particles having at least two dimensions 250 nm or more, and small particles of which the largest dimension is less than 200 nm, in the form of a dispersion in a solvent medium having a viscosity at 25° C. 10 mPa·s or more; leaving the mixture to settle out under conditions conducive to the formation of a supernatent phase including the small particles and of a precipitate comprising the metal nanowires and the large particles; isolating the precipitate, and dispersing the isolated precipitate in a solvent medium having a viscosity at 25° C. less than 10 mPa·s; leaving the suspension to settle out under conditions conducive to the precipitation of said large particles; and recovering the nanowires in the form of a dispersion in the supernatent phase.

Abstract: The present invention relates to a conductive polymer material of poly(thio- or seleno-)phene type containing at least two distinct species of counteranion, including a first species which is an anionic form of sulphuric acid, and a second species of counteranion selected from triflate, triflimidate, tosylate, mesylate, perchlorate and hexafluorophosphate. The invention also relates to a process for preparing such a material and the use thereof as conductive film. The invention also targets a substrate coated at least partly by a film of a material as defined above, a device comprising a material as defined above as conductive material, and also the use thereof in the organic electronics, organic thermoelectricity, organic photovoltaic and organic photodetector fields.

Abstract: An abrasive sawing or polishing substrate includes a substrate, a binder C1 covering at least a portion of the substrate, and abrasive particles having an at least partial coating, C2. The abrasive sawing or polishing substrate also includes a coating C3 coating binder C1 and the abrasive particles coated with C2 and at least one light-emitting compound. The abrasive particles coated with C2 are in contact with binder C1 and with coating C3.

Abstract: A radome (4) intended for protecting an antenna capable of radiating and/or picking up radio waves in a given range of frequencies from 3 MHz to 300 GHz, the radome being provided with a heating system (10) which includes two electric contacts (14, 16) between which are arranged resistive heating elements (12) in the form of parallel strips spaced apart from one another and each having two ends respectively connected to the two electric contacts (14, 16), each of the strips (12) being made from a network of nanoelements comprising metal nanowires (18).

Abstract: An abrasive sawing or polishing substrate includes a substrate, a binder C1 covering at least a portion of the substrate, and abrasive particles having an at least partial coating, C2. The abrasive sawing or polishing substrate also includes a coating C3 coating binder C1 and the abrasive particles coated with C2 and at least one light-emitting compound. The abrasive particles coated with C2 are in contact with binder C1 and with coating C3.

Abstract: An electromagnetic shielding structure comprising successively: an electrically insulating layer of a first polymeric material, an electrically conductive shielding film comprising at least 90 mass % of metal nanowires, and a protective layer of a second polymeric material.

Abstract: The present invention relates to a heating device comprising: a base substrate; an electrically conductive layer, referred to as the heating layer, carried by the substrate, formed from at least one percolating network of nano-objects comprising metal nanowires; and a thermal diffusion layer made from aluminum nitride, covering all or part of the heating layer. The invention also concerns a method for preparing such a heating device.

Abstract: The present disclosure relates to a multi-layer stack which is useful for forming a multi-junction organic photovoltaic cell, said stack including first and second active layers, and an intermediate p-type or n-type layer, inserted between said first and second active layers and in contact with at least one of the first and second active layers, said intermediate layer including a network of electrically conductive nanowires, said stack including an additional layer, inserted between the first active layer and the second active layer and directly in contact with the first active layer or the second active layer, the additional layer being P-type or N-type, separate from the one forming the intermediate layer.

Abstract: Isolating metal nanowires from a reaction mixture also containing ancillary inorganic particles distinct from the nanowires, includes: providing a mixture of metal nanowires with large particles having at least two dimensions 250 nm or more, and small particles of which the largest dimension is less than 200 nm, in the form of a dispersion in a solvent medium having a viscosity at 25° C. 10 mPa·s or more; leaving the mixture to settle out under conditions conducive to the formation of a supernatent phase including the small particles and of a precipitate comprising the metal nanowires and the large particles; isolating the precipitate, and dispersing the isolated precipitate in a solvent medium having a viscosity at 25° C. less than 10 mPa·s; leaving the suspension to settle out under conditions conducive to the precipitation of said large particles; and recovering the nanowires in the form of a dispersion in the supernatent phase.

Abstract: The present invention relates to a conductive polymer material of poly(thio- or seleno-)phene type containing at least two distinct species of counteranion, including a first species which is an anionic form of sulphuric acid, and a second species of counteranion selected from triflate, triflimidate, tosylate, mesylate, perchlorate and hexafluorophosphate. The invention also relates to a process for preparing such a material and the use thereof as conductive film. The invention also targets a substrate coated at least partly by a film of a material as defined above, a device comprising a material as defined above as conductive material, and also the use thereof in the organic electronics, organic thermoelectricity, organic photovoltaic and organic photodetector fields.

Abstract: 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.

Abstract: The invention relates to an electronic device comprising at least two organic transistors having different threshold voltages. The device comprises at least two transistors, each including a self-assembled layer of molecules having dipole moments that differ from one another by an absolute value of between 0.2 and 10 debye. The invention is particularly suitable for use in the field of electronic circuit production.

Abstract: 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.

Abstract: A method of manufacturing a thermoelectric module including a substrate and at least one conductive or semiconductor polymer film deposited on a surface of the substrate, the method including a step of manufacturing the conductive polymer film independently from the surface of the substrate and transferring the conductive polymer film onto the surface of the substrate. The transfer comprises: immersing the conductive polymer film in a transfer bath to obtain a conductive polymer film which is solvated, self-supporting, and capable of matching the shape of the substrate surface; applying the conductive polymer film in its solvated state on the substrate to match the shape of the surface thereof; and drying the solvated conductive polymer film.

Abstract: 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.

Abstract: 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.

Abstract: 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 R1—Zn—R2, wherein Z is S or Se, and n is equal to 1 or 2, and R1 is a hydrogen atom or an acyl group or a hydrocarbon group comprising between 1 and 100 carbon atoms and R2 is an electron-attracting or -donating group. The method if the invention is particularly suitable for use in the field electrode production.