Patents by Inventor Jean-Francois Guillemoles
Jean-Francois Guillemoles has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10770611Abstract: A photovoltaic device comprising: a plurality of photovoltaic cells, separated from each other; a support receiving the cells; and a light guide in contact with the cells and comprising a primary guide with a surface that is proximal to the cells, where the proximal surface is oriented towards the cells and the support. The photovoltaic device comprises, between the cells, areas located between the support and the primary guide which comprise a material with an index of refraction less than that of the proximal surface, where the material is in contact with the proximal surface.Type: GrantFiled: June 2, 2015Date of Patent: September 8, 2020Assignees: ELECTRICITE DE FRANCE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS-Inventors: Myriam Paire, Florian Proise, Daniel Lincot, Jean-Francois Guillemoles, Jean-Luc Pelouard, Sebastien Jutteau
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Patent number: 10302574Abstract: A method for analyzing the crystal structure of a polycrystalline semiconductor material is described. According to one embodiment, the method includes exciting the material to make the material emit a luminescent signal, detecting, at each point of a mesh in a preset spatial region of the material, the luminescent signal at a variable polarization angle, in a frequency band of width greater than or equal to the width of the bandgap of the material, estimating, at each point of the mesh in the preset spatial region of the material, from the signal detected for said point of the mesh, a data characteristic of the modulation of the luminescent signal, modelled by a sum of sine waves, as a function of the polarization angle, and representing the characteristic data over all of the points of the mesh in the preset spatial region.Type: GrantFiled: July 30, 2013Date of Patent: May 28, 2019Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS, ELECTRICITÉ DE FRANCE—EDFInventors: Laurent Lombez, Jean-François Guillemoles, Amaury Delamarre
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Publication number: 20180182910Abstract: A photovoltaic device comprising: a plurality of photovoltaic cells, separated from each other; a support receiving the cells; and a light guide in contact with the cells and comprising a primary guide with a surface that is proximal to the cells, where the proximal surface is oriented towards the cells and the support. The photovoltaic device comprises, between the cells, areas located between the support and the primary guide which comprise a material with an index of refraction less than that of the proximal surface, where the material is in contact with the proximal surface.Type: ApplicationFiled: June 2, 2015Publication date: June 28, 2018Inventors: Myriam Paire, Florian Proise, Daniel Lincot, Jean-Francois Guillemoles, Jean-Luc Pelouard, Sebastien Jutteau
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Patent number: 9923106Abstract: A method for fabricating a photosensitive device, comprising: a first step of preparing, on a substrate, at least a first photosensitive portion, active within a range of wavelengths, the first portion being surrounded by a second portion that is inactive. A material, covering the first portion, is selectively arranged into a hydrophilic layer by an electrochemical process. The second portion comprises a hydrophobic material on an upper surface opposite the substrate. The method further comprises the following steps: spraying on the upper surfaces of the first and second portions a liquid comprising a transparent material, and forming a converging lens containing the material, above the first portion.Type: GrantFiled: May 12, 2014Date of Patent: March 20, 2018Assignees: Electricite de France, Centre National de la Recherche Scientifique—CNRS—Inventors: Myriam Paire, Jean-Francois Guillemoles, Laurent Lombez, Daniel Lincot, Stephane Collin, Jean-Luc Pelouard
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Patent number: 9627564Abstract: An optoelectronic device comprising: a first conductive layer, a second conductive layer, an active layer between the first conductive layer and the second conductive layer, wherein the active layer comprises a submicrometer size structure of hexagonal type crystals of an element or alloy of elements selected from the carbon group.Type: GrantFiled: September 9, 2010Date of Patent: April 18, 2017Assignees: Electricite de France, Centre National de la Recherche Scientifique (CNRS), University of HoustonInventors: Jean-Francois Guillemoles, Par Olsson, Julien Vidal, Alexandre Freundlich
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Patent number: 9406819Abstract: A photovoltaic component that includes at least one first array of photovoltaic nano-cells is disclosed. Each photovoltaic component includes an optical nano-antenna exhibiting an electromagnetic resonance in a first resonant spectral band, at least one lateral dimension of the optical nano-antenna being subwavelength in size, and a spectral conversion layer allowing at least part of the solar spectrum to be converted to said first resonant spectral band.Type: GrantFiled: September 27, 2013Date of Patent: August 2, 2016Assignees: Centre National de la Recherche Scientifique—CNRS, ELECTRICITÉ DE FRANCE—EDF, UNIVERSITE PIERRE ET MARIE CURIE—PARIS 6Inventors: Jean-Luc Pelouard, Jean-François Guillemoles, Florian Proise, Myriam Paire, Daniel Lincot
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Publication number: 20160118511Abstract: A method for fabricating a photosensitive device, comprising: a first step of preparing, on a substrate, at least a first photosensitive portion, active within a range of wavelengths, the first portion being surrounded by a second portion that is inactive. A material, covering the first portion, is selectively arranged into a hydrophilic layer by an electrochemical process. The second portion comprises a hydrophobic material on an upper surface opposite the substrate. The method further comprises the following steps: spraying on the upper surfaces of the first and second portions a liquid comprising a transparent material, and forming a converging lens containing the material, above the first portion.Type: ApplicationFiled: May 12, 2014Publication date: April 28, 2016Inventors: Myriam Paire, Jean-Francois Guillemoles, Laurent Lombez, Daniel Lincot, Stephane Collin, Jean-Luc Pelouard
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Publication number: 20160093759Abstract: A method for fabricating a photovoltaic device with light concentration, comprising: a first step of fabricating, on a substrate, a first array of photovoltaic cells from a stack of layers deposited on the substrate, the cells of the first array being connected to a first group of electrical connectors, a second step of forming a light concentration system above the cells of the first array. It further comprises: a third step, prior to at least the second step, of forming on the substrate a second array of photovoltaic cells from a stack of layers deposited on the substrate, the cells of the second array being interspersed with the cells of the first array and connected to a second group of electrical connectors, and being without a light concentration system.Type: ApplicationFiled: May 12, 2014Publication date: March 31, 2016Inventors: Myriam Paire, Jean-Francois Guillemoles, Laurent Lombez, Daniel Lincot, Stephane Collin, Jean-Luc Pelouard
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Patent number: 9297764Abstract: The invention relates to a method for determining the maximum open circuit voltage and the power that can be output by a photoconverter material subject to a measurement light intensity, the method including the following steps: measuring the photoluminescent intensity of the material, measuring the absorption rate of the photoconverter material at a second wavelength substantially equal to the photoluminescent wavelength of the photoconverter material, determining the maximum open circuit voltage of the photoconverter material with the measurement light intensity by means of the absorption rate and the photoluminescent intensity measured at substantially the same wavelength; said invention being characterized in that the light source and the photoconverter material are arranged such that the angular distributions of the rays incident on and emitted by the lit surface of the material and collected by the detector are substantially identical.Type: GrantFiled: February 7, 2011Date of Patent: March 29, 2016Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRS—, ELECTRICITE DE FRANCE, UNIVERSITE DE VERSAILLES SAINT-QUENTIN-EN-YVELINESInventors: Jean-François Guillemoles, Arnaud Etcheberry, Isabelle Gerard, Pierre Tran-Van
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Publication number: 20150255639Abstract: A photovoltaic component that includes at least one first array of photovoltaic nano-cells is disclosed. Each photovoltaic component includes an optical nano-antenna exhibiting an electromagnetic resonance in a first resonant spectral band, at least one lateral dimension of the optical nano-antenna being subwavelength in size, and a spectral conversion layer allowing at least part of the solar spectrum to be converted to said first resonant spectral band.Type: ApplicationFiled: September 27, 2013Publication date: September 10, 2015Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRS, ELECTRICITÉ DE FRANCE - EDF, UNIVERSITE PIERRE ET MARIE CURIE - PARIS 6Inventors: Jean-Luc Pelouard, Jean-François Guillemoles, Florian Proise, Myriam Paire, Daniel Lincot
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Publication number: 20150212011Abstract: A method for analysing the crystal structure of a polycrystalline semiconductor material is described. According to one embodiment, the method includes exciting the material to make the material emit a luminescent signal, detecting, at each point of a mesh in a preset spatial region of the material, the luminescent signal at a variable polarization angle, in a frequency band of width greater than or equal to the width of the bandgap of the material, estimating, at each point of the mesh in the preset spatial region of the material, from the signal detected for said point of the mesh, a data characteristic of the modulation of the luminescent signal, modelled by a sum of sine waves, as a function of the polarization angle, and representing the characteristic data over all of the points of the mesh in the preset spatial region.Type: ApplicationFiled: July 30, 2013Publication date: July 30, 2015Inventors: Laurent Lombez, Jean-François Guillemoles, Amaury Delamarre
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Publication number: 20150090331Abstract: Thin-layer photovoltaic cell structure with mirror layer. The invention relates to a photovoltaic cell structure intended for solar panel applications. The thin layer photovoltaic cell structure comprises at least one I-III-VI2 alloy layer (CIGS) with photovoltaic properties for the conversion of illuminating light into electricity. In particular, the structure comprises at least: one mirror layer (MR) comprising a surface reflecting (FR) a part of the illuminating light, where said reflecting surface (FR) is facing a first face (F1) of the I-III-VI2 alloy layer for receiving reflected illuminating light on said first face; and one or more first layers (CA, ENC) transparent to the illuminating light for receiving transmitted illuminating light on a second face (F2) of the I-III-VI2 alloy layer opposite to the first face (F1).Type: ApplicationFiled: March 28, 2013Publication date: April 2, 2015Applicants: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRS, ELECTRICITE DE FRANCEInventors: Negar Naghavi, Zacharie Jehl, Daniel Lincot, Jean-Francois Guillemoles
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Patent number: 8741685Abstract: The invention relates to a method for production of thin layers of semiconductor alloys of the I-III-VI2 type, including sulphur, for photovoltaic applications, whereby a heterostructure is firstly deposited on a substrate comprising a thin layer of precursor I-III-VI2 which is essentially amorphous and a thin layer, including at least some sulphur, the heterostructure is then annealed to promote the diffusion of the sulphur into the precursor layer and the at least partial crystallization of the I-III-VI2 alloy of the precursor layer with a stoichiometry which hence includes sulphur. A layer of selenium may also be deposited to assist the recrystallization processes or annealing.Type: GrantFiled: May 19, 2006Date of Patent: June 3, 2014Assignees: Electricite de France, Centre National de la Recherche Scientifique-CNRSInventors: Stéphane Taunier, Daniel Lincot, Jean-Francois Guillemoles, Negar Naghavi, Denis Guimard
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Publication number: 20130168725Abstract: An optoelectronic device comprising: a first conductive layer, a second conductive layer, an active layer between the first conductive layer and the second conductive layer, wherein the active layer comprises a submicrometer size structure of hexagonal type crystals of an element or alloy of elements selected from the carbon group.Type: ApplicationFiled: September 9, 2010Publication date: July 4, 2013Applicants: ELECTRICITE DE FRANCE, UNIVERSITY OF HOUSTON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)Inventors: Jean-Francois Guillemoles, Par Olsson, Julien Vidal, Alexandre Freundlich
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Publication number: 20130152999Abstract: A photovoltaic component including a set of layers suitable for producing a photovoltaic device is disclosed. The component has at least one first layer made of a conductive material forming a back electrical contact, a second layer made of a material that is absorbent in the solar spectrum, and a third layer made of a transparent conductive material forming a front electrical contact, and an electrically insulating layer arranged between said back electrical contact and said front electrical contact. The third layer is discontinuous in order to allow said layers of said set of layers to be stacked in one or more zones to form, in each of these zones, an active photovoltaic zone, and a fourth layer made of a conductive material, making electrical contact with said third layer made of a transparent conductive material, to form a peripheral electrical contact for each of said photovoltaic microcells.Type: ApplicationFiled: May 31, 2011Publication date: June 20, 2013Applicant: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRSInventors: Daniel Lincot, Myriam Paire, Jean-François Guillemoles, Jean-Luc Pelouard, Stéphane Collin
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Publication number: 20130066574Abstract: The invention relates to a method for determining the maximum open circuit voltage and the power that can be output by a photoconverter material subject to a measurement light intensity, the method including the following steps: measuring the photoluminescent intensity of the material, measuring the absorption rate of the photoconverter material at a second wavelength substantially equal to the photoluminescent wavelength of the photoconverter material, determining the maximum open circuit voltage of the photoconverter material with the measurement light intensity by means of the absorption rate and the photoluminescent intensity measured at substantially the same wavelength; said invention being characterised in that the light source and the photoconverter material are arranged such that the angular distributions of the rays incident on and emitted by the lit surface of the material and collected by the detector are substantially identical.Type: ApplicationFiled: February 7, 2011Publication date: March 14, 2013Applicants: Centre National de la Recherche Scientifique-CNRS-, Universite de Versailles Saint-Quentin-en- Yvelines, Electricite de FranceInventors: Jean-François Guillemoles, Arnaud Etcheberry, Isabelle Gerard, Pierre Tran-van
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Patent number: 7776203Abstract: The invention relates to a method of producing thin films of compound CIGS by means of electrodeposition. According to the invention, a surface-active compound, such as dodecyl sodium sulphate, is added to an electrolysis bath solution in order to promote the incorporation of gallium in the CIGS films.Type: GrantFiled: December 23, 2003Date of Patent: August 17, 2010Assignees: Electricite de France, Centre National de la Recherche Scientifique - CNRSInventors: Stéphane Taunier, Denis Guimard, Daniel Lincot, Jean-François Guillemoles, Pierre-Philippe Grand
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Publication number: 20090130796Abstract: The invention relates to a method for production of thin layers of semiconductor alloys of the I-III-VI2 type, including sulphur, for photovoltaic applications, whereby a heterostructure is firstly deposited on a substrate comprising a thin layer of precursor I-III-VI2 which is essentially amorphous and a thin layer, including at least some sulphur, the heterostructure is then annealed to promote the diffusion of the sulphur into the precursor layer and the at least partial crystallization of the I-III-VI2 alloy of the precursor layer with a stoichiometry which hence includes sulphur. A layer of selenium may also be deposited to assist the recrystallization processes or annealing.Type: ApplicationFiled: May 19, 2006Publication date: May 21, 2009Applicants: ELECTRICITE DE FRANCE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE-CNRSInventors: Stephane Taunier, Daniel Lincot, Jean-Francois Guillemoles, Negar Naghavi, Denis Guimard
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Patent number: 7273539Abstract: The invention relates to the regeneration of an electrolysis bath for the production of I-III-VI<SB>Y</SB> compounds in thin layers, where y is approaching 2 and VI is an element including selenium, whereby selenium is regenerated in the form Se(IV) and/or with addition of oxygenated water to reoxidise the selenium in the bath to give the form Se(IV).Type: GrantFiled: December 5, 2003Date of Patent: September 25, 2007Assignees: Electricite de France, Centre National de la Recherche ScientifiqueInventors: Stéphane Taunier, Denis Guimard, Daniel Lincot, Jean-François Guillemoles, Pierre-Philippe Grand
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Publication number: 20060151331Abstract: The invention relates to a method of producing thin films of compound CIGS by means of electrodeposition. According to the invention, a surface-active compound, such as dodecyl sodium sulphate, is added to an electrolysis bath solution in order to promote the incorporation of gallium in the CIGS films.Type: ApplicationFiled: December 23, 2003Publication date: July 13, 2006Inventors: Stephane Taunier, Denis Guimard, Daniel Lincot, Jean-Francois Guillemoles, Pierre-Philippe Grand