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9 results on '"Benoit Behaghel"'

1. Material challenges for solar cells in the twenty-first century: directions in emerging technologies

Author

Samy Almosni, Amaury Delamarre, Zacharie Jehl, Daniel Suchet, Ludmila Cojocaru, Maxime Giteau, Benoit Behaghel, Anatole Julian, Camille Ibrahim, Léa Tatry, Haibin Wang, Takaya Kubo, Satoshi Uchida, Hiroshi Segawa, Naoya Miyashita, Ryo Tamaki, Yasushi Shoji, Katsuhisa Yoshida, Nazmul Ahsan, Kentaro Watanabe, Tomoyuki Inoue, Masakazu Sugiyama, Yoshiaki Nakano, Tomofumi Hamamura, Thierry Toupance, Céline Olivier, Sylvain Chambon, Laurence Vignau, Camille Geffroy, Eric Cloutet, Georges Hadziioannou, Nicolas Cavassilas, Pierre Rale, Andrea Cattoni, Stéphane Collin, François Gibelli, Myriam Paire, Laurent Lombez, Damien Aureau, Muriel Bouttemy, Arnaud Etcheberry, Yoshitaka Okada, and Jean-François Guillemoles

Subjects
Photovoltaics, semiconductors, nanotechnologies, energy conversion, efficiency, luminescence, devices, Materials of engineering and construction. Mechanics of materials, TA401-492, Biotechnology, TP248.13-248.65
Abstract

Photovoltaic generation has stepped up within the last decade from outsider status to one of the important contributors of the ongoing energy transition, with about 1.7% of world electricity provided by solar cells. Progress in materials and production processes has played an important part in this development. Yet, there are many challenges before photovoltaics could provide clean, abundant, and cheap energy. Here, we review this research direction, with a focus on the results obtained within a Japan–French cooperation program, NextPV, working on promising solar cell technologies. The cooperation was focused on efficient photovoltaic devices, such as multijunction, ultrathin, intermediate band, and hot-carrier solar cells, and on printable solar cell materials such as colloidal quantum dots.

Published
2018
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2. Material challenges for solar cells in the twenty-first century: directions in emerging technologies

Author

Ryo Tamaki, Naoya Miyashita, Tomofumi Hamamura, Nicolas Cavassilas, Nazmul Ahsan, Haibin Wang, Laurence Vignau, Ludmila Cojocaru, Thierry Toupance, Arnaud Etcheberry, Kentaro Watanabe, Daniel Suchet, Sylvain Chambon, Camille Geffroy, Maxime Giteau, Benoit Behaghel, Samy Almosni, Takaya Kubo, Katsuhisa Yoshida, Eric Cloutet, Zacharie Jehl, Laurent Lombez, Camille Ibrahim, Tomoyuki Inoue, Yoshiaki Nakano, Yasushi Shoji, M. Paire, Céline Olivier, Jean-François Guillemoles, Andrea Cattoni, Hiroshi Segawa, Damien Aureau, Georges Hadziioannou, Satoshi Uchida, Anatole Julian, Pierre Rale, Yoshitaka Okada, Masakazu Sugiyama, Stéphane Collin, Léa Tatry, François Gibelli, Muriel Bouttemy, Amaury Delamarre, University of Tokyo NextPV, Research Center for Advanced Science and Technology [Tokyo] (RCAST), The University of Tokyo, Institut de Recherche et Développement sur l'Energie Photovoltaïque (IRDEP), Ecole Nationale Supérieure de Chimie de Paris- Chimie ParisTech-PSL (ENSCP)-Centre National de la Recherche Scientifique (CNRS)-EDF R&D (EDF R&D), EDF (EDF)-EDF (EDF), Institut des Sciences Moléculaires (ISM), Université Montesquieu - Bordeaux 4-Université Sciences et Technologies - Bordeaux 1-École Nationale Supérieure de Chimie et de Physique de Bordeaux (ENSCPB)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'intégration, du matériau au système (IMS), Université Sciences et Technologies - Bordeaux 1-Institut Polytechnique de Bordeaux-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Chimie des Polymères Organiques (LCPO), Université de Bordeaux (UB)-Ecole Nationale Supérieure de Chimie, de Biologie et de Physique (ENSCBP)-Institut Polytechnique de Bordeaux-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Chimie des polymères organiques (LCPO), Université Sciences et Technologies - Bordeaux 1-École Nationale Supérieure de Chimie et de Physique de Bordeaux (ENSCPB)-Centre National de la Recherche Scientifique (CNRS), Institut des Matériaux, de Microélectronique et des Nanosciences de Provence (IM2NP), Aix Marseille Université (AMU)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS), Centre de Nanosciences et de Nanotechnologies [Marcoussis] (C2N), Université Paris-Sud - Paris 11 (UP11)-Université Paris Diderot - Paris 7 (UPD7)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Laboratoire de photonique et de nanostructures (LPN), Centre National de la Recherche Scientifique (CNRS), Institut Lavoisier de Versailles (ILV), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Centre National de la Recherche Scientifique (CNRS), Institut Photovoltaïque d’Ile-de-France (UMR) (IPVF), EDF (EDF)-Air Liquide [Siège Social]-Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut Photovoltaïque d’Ile-de-France (ITE) (IPVF)-Ecole Nationale Supérieure de Chimie de Paris- Chimie ParisTech-PSL (ENSCP)-TOTAL FINA ELF, The University of Tokyo (UTokyo), Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-EDF R&D (EDF R&D), Université Montesquieu - Bordeaux 4-Université Sciences et Technologies - Bordeaux 1 (UB)-École Nationale Supérieure de Chimie et de Physique de Bordeaux (ENSCPB)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut Polytechnique de Bordeaux-Centre National de la Recherche Scientifique (CNRS), Université de Bordeaux (UB)-Ecole Nationale Supérieure de Chimie, de Biologie et de Physique (ENSCBP)-Institut Polytechnique de Bordeaux-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Université Sciences et Technologies - Bordeaux 1 (UB)-École Nationale Supérieure de Chimie et de Physique de Bordeaux (ENSCPB)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Centre National de la Recherche Scientifique (CNRS), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), École polytechnique (X)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-TOTAL FINA ELF-EDF (EDF)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut Photovoltaïque d’Ile-de-France (ITE) (IPVF)-Air Liquide [Siège Social], EDF R&D (EDF R&D), EDF (EDF)-EDF (EDF)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC), Université Montesquieu - Bordeaux 4-Université Sciences et Technologies - Bordeaux 1-École Nationale Supérieure de Chimie et de Physique de Bordeaux (ENSCPB)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut Polytechnique de Bordeaux-Ecole Nationale Supérieure de Chimie, de Biologie et de Physique (ENSCBP)-Université de Bordeaux (UB)-Institut de Chimie du CNRS (INC), Centre National de la Recherche Scientifique (CNRS)-École Nationale Supérieure de Chimie et de Physique de Bordeaux (ENSCPB)-Université Sciences et Technologies - Bordeaux 1-Institut de Chimie du CNRS (INC), and Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)-Aix Marseille Université (AMU)

Subjects
Engineering, energy conversion, 502 Electron spectroscopy, Emerging technologies, lcsh:Biotechnology, 02 engineering and technology, semiconductors, Energy transition, 010402 general chemistry, 7. Clean energy, 01 natural sciences, [SPI]Engineering Sciences [physics], Photovoltaics, lcsh:TP248.13-248.65, 209 Solar cell / Photovoltaics, lcsh:TA401-492, luminescence, [CHIM]Chemical Sciences, Energy transformation, General Materials Science, ComputingMilieux_MISCELLANEOUS, 206 Energy conversion / transport / storage / recovery, business.industry, Photovoltaic system, Twenty-First Century, 50 Energy Materials, 505 Optical / Molecular spectroscopy, 021001 nanoscience & nanotechnology, Engineering physics, 0104 chemical sciences, Focus on Overview of innovative materials for energy, 13. Climate action, efficiency, lcsh:Materials of engineering and construction. Mechanics of materials, Electricity, nanotechnologies, 0210 nano-technology, business, devices
Abstract

Photovoltaic generation has stepped up within the last decade from outsider status to one of the important contributors of the ongoing energy transition, with about 1.7% of world electricity provided by solar cells. Progress in materials and production processes has played an important part in this development. Yet, there are many challenges before photovoltaics could provide clean, abundant, and cheap energy. Here, we review this research direction, with a focus on the results obtained within a Japan–French cooperation program, NextPV, working on promising solar cell technologies. The cooperation was focused on efficient photovoltaic devices, such as multijunction, ultrathin, intermediate band, and hot-carrier solar cells, and on printable solar cell materials such as colloidal quantum dots.

Published
2018
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3. A hot-carrier assisted InAs/AlGaAs quantum-dot intermediate-band solar cell

Author

Yutaro Shoji, Yoshitaka Okada, Andrea Cattoni, Amaury Delamarre, Hung-Ling Chen, Ryo Tamaki, Benoit Behaghel, Pierre Rale, Jean-François Guillemoles, Laurent Lombez, Stéphane Collin, Institut de Recherche et Développement sur l'Energie Photovoltaïque (IRDEP), EDF R&D (EDF R&D), EDF (EDF)-EDF (EDF)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC), Research Center for Advanced Science and Technology [Tokyo] (RCAST), The University of Tokyo (UTokyo), Laboratoire de photonique et de nanostructures (LPN), and Centre National de la Recherche Scientifique (CNRS)

Subjects
Photoluminescence, Materials science, Population, Thermionic emission, 02 engineering and technology, 7. Clean energy, 01 natural sciences, law.invention, Condensed Matter::Materials Science, law, 0103 physical sciences, Solar cell, Thermoelectric effect, Materials Chemistry, [PHYS.COND]Physics [physics]/Condensed Matter [cond-mat], Electrical and Electronic Engineering, education, ComputingMilieux_MISCELLANEOUS, [PHYS]Physics [physics], 010302 applied physics, education.field_of_study, business.industry, Energy conversion efficiency, Heterojunction, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Electronic, Optical and Magnetic Materials, Quantum dot, Optoelectronics, 0210 nano-technology, business
Abstract

The intermediate-band assisted hot-carrier solar cell (IB-HCSC) concept has been proposed in order to assist the extraction of hot carriers from an absorber that has an intermediate band (IB). In this study, we used an heterostructure based on ten layers of In(Ga)As quantum dots (QDs) embedded in an Al0.2Ga0.8As single-junction solar cell designed for an intermediate band solar cell (IBSC). QD-IBSCs have proven to be limited by the thermal escape of photo-carriers from QDs at room temperature. In such cases, fundamental improvements in conversion efficiency are only possible if carriers in the IB are not in thermal equilibrium with either conduction or valence bands. Additionally, the IB-HCSC concept provides a high-efficiency limit and enables to work with all relaxation mechanisms (thermalization, carrier-carrier scattering, and thermal radiation). Under high irradiation, we confirmed the emergence of a hot carrier population in the QDs, limited mostly by thermionic emission which assists the IBSC by providing a thermoelectric gain in voltage without hindering the possibility of sequential two-photon absorption. Absolute intensity calibrated photoluminescence spectroscopy indicated that the triggering mechanism happens when the QD ensemble is estimated to have a high carrier concentration that behaves as a metal-like IB. Experimental results suggested that the hot carrier effect also occurred in other solar cells based on quantum heterostructures and directions for improvements of hot-carrier assisted QD-IBSCs are proposed for further efficiency gain in optimized device architectures.

Published
2019
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4. Multiresonant light trapping in ultra-thin GaAs and CIGS solar cells

Author

Andrea Cattoni, Nathalie Bardou, Christophe Dupuis, Hung-Ling Chen, Stéphane Collin, Julie Goffard, Benoit Behaghel, and Romaric De Lépinau

Subjects
Materials science, Absorption spectroscopy, business.industry, Trapping, Copper indium gallium selenide solar cells, law.invention, Gallium arsenide, Nanoimprint lithography, chemistry.chemical_compound, chemistry, law, Solar cell, Optoelectronics, business, Copper indium gallium selenide
Abstract

We review and propose light trapping strategies in ultra-thin solar cell. We demonstrate JSC=24.8 mA/cm2 in 205 nm-thick GaAs solar cell using a nanostructured TiO2/Ag back mirror fabricated by Nanoimprint lithography.

Published
2017
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5. All optical IBSC characterization method

Author

Ryo Tamaki, Hung-Ling Chen, Jean-François Guillemoles, Benoit Behaghel, Nicolas Vandamme, Yasushi Shoji, Pierre Rale, Stéphane Collin, Laurent Lombez, Yoshitaka Okada, and Amaury Delamarre

Subjects
education.field_of_study, Materials science, Photoluminescence, business.industry, Population, 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Spectral line, law.invention, Characterization (materials science), Quantum dot, law, 0103 physical sciences, Solar cell, Optoelectronics, 010306 general physics, 0210 nano-technology, business, education, Luminescence, Excitation
Abstract

In this work we study the carrier population dynamics in an AlGaAs p-i-n single junction solar cell with 10 layers of InAs quantum dots (QDs) in the i-region. Light management and band engineering technics were used to optimize intermediate band solar cells (IBSCs) operation. The IBSC operations are investigated through quantitative luminescence based characterization methods based on photoluminescence spectra recorded in absolute values and two-color excitation. The results show that the sample is compatible with the IBSC operations at room temperature.

Published
2016
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6. 200nm-Thick GaAs solar cells with a nanostructured silver mirror

Author

Aristide Lemaître, Amaury Delamarre, Andrea Cattoni, Kentaroh Watanabe, Benoit Behaghel, Julie Goffard, Jean-François Guillemoles, Nicolas Vandamme, Masakazu Sugiyama, Stéphane Collin, and Hung-Ling Chen

Subjects
010302 applied physics, Materials science, Nanostructure, business.industry, 02 engineering and technology, Substrate (electronics), Quantum dot solar cell, 021001 nanoscience & nanotechnology, 01 natural sciences, Polymer solar cell, law.invention, Nanoimprint lithography, Gallium arsenide, chemistry.chemical_compound, Optics, chemistry, law, 0103 physical sciences, Solar cell, Optoelectronics, 0210 nano-technology, business, Ohmic contact
Abstract

We have designed and fabricated ultrathin (200nm) GaAs solar cells. Multi-resonant light trapping is achieved with a nanostructured TiO 2 /Ag back mirror and the short-circuit current predicted by numerical calculations is J sc = 25 mA/cm2. We have investigated the physical origin of the resonances using analytical models that can be used to optimize the geometry of nanostructured mirrors suited for ultrathin solar cells. For the fabricated solar cell, the nanostructured TiO2/Ag mirror is combined with localized ohmic contacts. The solar cells are patterned by Soft Nanoimprint Lithography and transferred on a glass substrate. A similar solar cell with Ag flat mirror was also fabricated. We have measured above 60% enhancement on short-circuit current compared to as-grown reference cell.

Published
2016
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7. Enhancement of photocurrent in epitaxial lift-off thin-film GaInNAsSb solar cells due to light-confinement structure

Author

Yoshitaka Okada, Naoya Miyashita, Jean-François Guillemoles, Benoit Behaghel, Institut de Recherche et Développement sur l'Energie Photovoltaïque (IRDEP), EDF R&D (EDF R&D), EDF (EDF)-EDF (EDF)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC), Research Center for Advanced Science and Technology [Tokyo] (RCAST), and The University of Tokyo (UTokyo)

Subjects
010302 applied physics, Photocurrent, Materials science, business.industry, [SPI.NRJ]Engineering Sciences [physics]/Electric power, General Engineering, General Physics and Astronomy, 02 engineering and technology, 021001 nanoscience & nanotechnology, Epitaxy, 01 natural sciences, 7. Clean energy, [SPI.MAT]Engineering Sciences [physics]/Materials, [SPI.TRON]Engineering Sciences [physics]/Electronics, Lift (force), 0103 physical sciences, Optoelectronics, Thin film, 0210 nano-technology, business, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2018
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8. Four-fold MQWs absorption enhancement in a 430 nm thick InGaAs/GaAsP MQWs solar cell

Author

Ryo Tamaki, Andrea Cattoni, Masakazu Sugiyama, Nicolas Vandamme, Christophe Dupuis, N. Bardou, Benoit Behaghel, Kentaroh Watanabe, Stéphane Collin, Yoshitaka Okada, Hassanet Sodabanlu, and J.-F. Guillemoles

Subjects
Materials science, business.industry, Multiple quantum, Epitaxy, law.invention, Optics, law, Light management, Solar cell, Optoelectronics, Quantum efficiency, Plasmonic solar cell, Absorption (electromagnetic radiation), business, Excitation
Abstract

We study light management in a 430 nm-thick GaAs p-i-n single junction solar cell with 10 InGaAs/GaAsP multiple quantum wells (MQWs). The epitaxial layer transfer on a gold mirror improves light absorption and increases the quantum efficiency in the MQW region by a factor of 4 through the excitation of Fabry-Perot resonances. We show a good agreement with optical simulation and achieve around 9% efficiency. This promising result can be further improved by anti-reflection layers and additional light-trapping solutions.

Published
2014
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9. Absorption enhancement through Fabry-Pérot resonant modes in a 430 nm thick InGaAs/GaAsP multiple quantum wells solar cell

Author

Andrea Cattoni, Nathalie Bardou, Yoshitaka Okada, Masakazu Sugiyama, Nicolas Vandamme, Jean-François Guillemoles, K. Watanabe, Christophe Dupuis, Hassanet Sodabanlu, Stéphane Collin, Ryo Tamaki, and Benoit Behaghel

Subjects
Materials science, Physics and Astronomy (miscellaneous), business.industry, Band gap, Energy conversion efficiency, law.invention, Gallium arsenide, chemistry.chemical_compound, Optics, chemistry, law, Solar cell, Optoelectronics, Quantum efficiency, business, Absorption (electromagnetic radiation), Fabry–Pérot interferometer, Quantum well
Abstract

We study light management in a 430 nm-thick GaAs p-i-n single junction solar cell with 10 pairs of InGaAs/GaAsP multiple quantum wells (MQWs). The epitaxial layer transfer on a gold mirror improves light absorption and increases the external quantum efficiency below GaAs bandgap by a factor of four through the excitation of Fabry-Perot resonances. We show a good agreement with optical simulation and achieve around 10% conversion efficiency. We demonstrate numerically that this promising result can be further improved by anti-reflection layers. This study paves the way to very thin MQWs solar cells.

Published
2015
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