Commissariat a L'energie Atomique

Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Centre National De La Recherche Scientifique

Ecole Polytechnique

Serge Palacin

Guy Deniau

Christophe Bureau

Vincent Mevellec

Sebastien Roussel

Jean-Philippe Bourgoin

Brigitte Mouanda

Julienne Charlier

Bernard Drevillon

Pere Roca I Cabarrocas

Thomas Berthelot

Andre Barraud

Marc Fontecave

Fran&ccedil;ois Martin

José Gonzalez

Annie Ruaudel

Pascale Chenevier

Bruno Jousselme

Muriel Firon

Cecile Baudin

Sami Ameur

Vincent Artero

Jean-Michel Nunzi

Martine Mayne-L'Hermite

Aurélien Gohier

Sébastien Roussel

Cécile Baudin

Jérome Chancolon

Federico Grisotto

Alan Le Goff

Anna Fontcuberta I Morral

Adhitya Trenggono

Florence Porteu

Achraf Ghorbal

Jose Gonzalez

Jérôme Chancolon

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.

Chemical sensors containing carbon nanotubes, method for making same, and uses therof

This invention relates to a method for preparing an organic film at the surface of a solid support, with a step of contacting said surface with a liquid solution including (i) at least one protic solvent, (ii) at least one adhesion primer, and (iii) at least one monomer different from the adhesion primer and radically polymerisable, under non-electrochemical conditions, and allowing the formation of radical entities based on the adhesion primer. This invention also relates to a non-electrically-conductive solid support on which an organic film according to said method is grafted, and a kit for preparing an essentially polymeric organic film at the surface of a solid support.

Method for preparing an organic film at the surface of a solid support under non-electrochemical conditions, solid support thus obtained and preparation kit

This invention relates to a method for preparing an organic film at the surface of a solid support, with a step of contacting said surface with a liquid solution including (i) at least one solvent, (ii) at least one adhesion primer, under non-electrochemical conditions, and allowing the formation of radical entities based on the adhesion primer. The liquid solution can also include (iii) at least one monomer different from the adhesion primer and radically polymerizable. This invention also relates to a non-electrically-conductive solid support on which an organic film according to said method is grafted, and a kit for preparing an essentially polymeric organic film at the surface of a solid support.

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.

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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.

Method of forming an organic film using a gel, said gel and use thereof

This invention relates to a method for preparing an organic film at the surface of a solid support, with a step of contacting said surface with a liquid solution including (i) at least one protic solvent, (ii) at least one adhesion primer, under non-electrochemical conditions, and allowing the formation of radical entities based on the adhesion primer. The liquid solution can also include (iii) at least one monomer different from the adhesion primer and radically polymerizable. This invention also relates to a non-electrically-conductive solid support on which an organic film according to said method is grafted, and a kit for preparing an essentially polymeric organic film at the surface of a solid support.

Method for preparing an organic film at the surface of solid support under non-electrochemical conditions, solid support thus obtained and preparation kit

A process for preparing an organic film on a selected zone at the surface of a photosensitive semiconductor substrate, including (i) bringing a liquid solution which includes at least one organic adhesion primer into contact with at least the selected zone; (ii) polarizing the surface of the substrate to an electric potential more cathodic than the reduction potential of the organic adhesion primer; and (iii) exposing the selected zone to light radiation, the energy of which is at least equal to that of the band gap of the photosensitive semiconductor substrate.

Process of localized electrografting onto photosensitive semiconductor substrates

A process for mask-free localized grafting of organic molecules capable of being electrically activated, onto a composite surface comprising conductive and/or semiconductive portions, by placing said organic molecules in contact with said composite surface, in which said grafting is performed electrochemically in a single step on chosen, defined areas of said conductive and/or semiconductive portions, said areas being brought to a potential higher than or equal to a threshold electrical potential determined relative to a reference electrode, said threshold electrical potential being the potential above which grafting of said organic molecules takes place.

Method for mask-free localized organic grafting on conductive or semiconductive portions of composite surfaces

The present invention relates to the use of precursors of following formula (I): independently of E or Z configuration, in which:

Formation of ultra-thin films that are grafted to electrically-conducting or semi-conducting surfaces

The present invention concerns the area of surface coatings in the form of organic films, the coatings being in the form of organic films. It most especially relates to a method for forming copolymer organic films by electrochemical grafting on electrically conductive or semi-conductive surfaces using electrolytic aqueous solutions containing at least one protic solvent, at least one radically polymerizable monomer and at least one surfactant. The invention also concerns surfaces obtained with the use of this method, their applications especially for preparation of microelectronic components, biomedical devices or screening kits, as well as the electrolyte solution used in the course of the method.

Process for forming organic films on electrically conductive or semi-conductive surfaces using aqueous solutions

The invention concerns a photoactive nanocomposite () comprising at least one donor-acceptor couple of semiconductor elements. One of the elements is made of doped nanowires () with sp3 structure, and the other of the elements is an organic compound (). The elements are supported by a device substrate (). The invention also concerns a production method. According to a first embodiment, after their growth, the nanowires () are retrieved, functionalised and solubilised in the organic component (). The mixture is deposited by coating on a device substrate. According to a second embodiment, the nanowires () are formed on a growth substrate () which is also the device substrate. The organic component () is combined with the nanowires () so as to form an active layer (). Such a photoactive nanocomposite () allows production of a photovoltaic cell.

Photoactive nanocomposite and method for the production thereof

The invention relates to a method of fixing macro-objects to an electricity conducting- or semi-conducting surface by means of electrografting. The invention also relates to the electricity conducting- or semi-conducting-surfaces obtained using the aforementioned method and to the applications of same.

Method of fixing macro-objects to an electricity conducting- or semi-conducting surface by means of electrografting, surfaces thus obtained and applications thereof

The present invention relates to a method for cladding a simple or complex surface, electrically conducting or semiconducting, by means of an organic film from at least one precursor of said organic film, characterized in that the cladding of the surface by the organic film is carried out by electro-initiated grafting of said, at least one, precursor of said surface by applying at least one potential sweep on this surface carried out in such a way that at any point of said surface the maximum potential of each potential sweep, in absolute value and relative to a reference electrode, is greater than or equal to the value of the potential (v) from which the curves of a graph expressing the quantity of electro-grafted precursor on a surface identical to said surface in function of the number of potential sweeps are all superposed and independent of this vpotential.

Process for lining a surface using an organic film

Method for forming a uniform network of semiconductor islands on an insulating substrate

The invention relates to bidimensional organic membranes or diaphragms and to their preparation processes. These diaphragms have at least one monomolecular layer of organic molecules A, such as porphyrins, phthalocyanines and porphyrazines. In a layer, each molecule A is directly or indirectly bonded to n (n.gtoreq.3) identical molecules A by n bonds arranged symmetrically with respect to the center of the molecule A. Therefore there diaphragms have microscopic physical properties identical in at least two directions of the plane of the diaphragm. They can be used as conductive diaphragms.

Growing community of inventors

Montigny le Bretonneux, France

Serge Palacin