Výsledky vyhledávání - "Louis Grenet"

Sputtered ZnSnO Buffer Layers for Kesterite Solar Cells

Autor: Fabrice Emieux, Edgardo Saucedo, Géraldine Lorin, Eric De Vito, Frédéric Roux, J.A. Andrade-Arvizu, Louis Grenet, Yudania Sánchez

Publikováno v: ACS Applied Energy Materials
ACS Applied Energy Materials, ACS, 2020, ⟨10.1021/acsaem.9b02329⟩
ACS Applied Energy Materials, 2020, ⟨10.1021/acsaem.9b02329⟩

Replacing the CdS buffer layer with a ZnSnO one in Cu2ZnSnS4-based solar cells allows both to improve the device performances and to avoid using toxic Cd. Additionally, using a sputtered buffer layer is a major asset for solar cells fabricated by phy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4883da62fb9ec0bf3b640c594a2c877f
https://doi.org/10.1021/acsaem.9b02329

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Optical determination of the band gap and band tail of epitaxial Ag2ZnSnSe4 at low temperature

Autor: H. Mariette, Louis Grenet, Régis André, Joël Bleuse, Sylvain Perret, Yoann Curé

Publikováno v: Physical Review B. 102

We report on the precise determination of both the band gap Eg and the characteristic energy U of the band tail of localized defect states, for monocrystalline Ag2ZnSnSe4. Both photoluminescence excitation and time-resolved photoluminescence studies

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f699288735f367d3048ae4de3c5d5a6a
https://doi.org/10.1103/physrevb.102.195205

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Surface preparation for 10% efficient CZTSe solar cells

Autor: José A. Márquez, Fabrice Emieux, Léo Choubrac, Eric De Vito, Thomas Unold, Louis Grenet, Frédéric Roux

Publikováno v: Progress in Photovoltaics
Progress in Photovoltaics, Wiley, 2020, ⟨10.1002/pip.3356⟩
Progress in Photovoltaics, 2020, ⟨10.1002/pip.3356⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2afc31e64456c0b2dd4914476d18505a
https://hal-cea.archives-ouvertes.fr/cea-03043197

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CIGS solar cells on ultra-thin glass substrates: Determination of mechanical properties by nanoindentation and application to bending-induced strain calculation

Autor: Simon Perraud, Louis Grenet, Frédéric Roux, Arnaud Gerthoffer, Christophe Poulain, Fabrice Emieux

Publikováno v: Solar Energy Materials and Solar Cells. 166:254-261

Cu(In, Ga)Se2 (CIGS) based thin film solar cells have been extensively studied and today, power conversion efficiencies higher than 20% have been demonstrated on both rigid and flexible substrates. However, very little is known about the mechanical r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e28f2e9b39ef9e4c5774ecc75453bfc
https://doi.org/10.1016/j.solmat.2016.11.022

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Effect of Sb and Na Incorporation in Cu2ZnSnS4 Solar Cells

Autor: Eric De Vito, Abdul Aziz Suzon, Henri Mariette, Frédéric Roux, Louis Grenet, Fabrice Emieux

Publikováno v: physica status solidi (a)
physica status solidi (a), Wiley, 2019, 216 (11), pp.1900070. ⟨10.1002/pssa.201900070⟩
physica status solidi (a), 2019, 216 (11), pp.1900070. ⟨10.1002/pssa.201900070⟩

Cu2ZnSnS4-based solar cells suffer from limited power conversion efficiency (PCE) and relative small grain size compared to selenium containing absorbers. Introduction of Na in Cu2ZnSnS4 absorbers either during the synthesis or after this step is use

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9bb251cc2ab9b35162503eb8456b63a9
https://zenodo.org/record/3653838

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Homogeneous and Graded Ag Alloying in (Cu 1‐ x Ag x ) 2 ZnSnSe 4 Solar Cells

Autor: Louis Grenet, Frédéric Roux, Fabrice Emieux

Publikováno v: physica status solidi (a). 217:2000040

Cu$_2$ZnSn(S,Se)$_4$ (CZTSSE)-based solar cell performances are limited by band tailing due to a large amount of CuZ$_n$ antisite defects. Partially replacing the Cu atoms by larger Ag ones can significantly reduce the prevalence of these defects, wh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c80cc148396d98764e7105703196b8c
https://doi.org/10.1002/pssa.202000040

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Influence of the AlInN Thickness on the Photovoltaic Characteristics of AlInN on Si Solar Cells Deposited by RF Sputtering

Autor: D. Montero, A. Núñez-Cascajero, Fernando B. Naranjo, Marco Jiménez-Rodríguez, Javier Olea, Louis Grenet, R. Blasco, S. Valdueza-Felip

Publikováno v: physica status solidi (a).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4bd0afbcf1378ee42a8ecde0d1ee1f2
https://doi.org/10.1002/pssa.201800494

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Experimental evidence of light soaking effect in Cd-free Cu2ZnSn(S,Se)4-based solar cells

Autor: Pascal Faucherand, Simon Perraud, Louis Grenet, Giovanni Altamura, Karol Coumert, Pauline Grondin, Raphaël Fillon, Nicolas Karst, Hélène Fournier, Fabrice Emieux, Frédéric Roux

Publikováno v: Thin Solid Films. 564:375-378

The use of a Zn-based buffer layer for kesterite solar cells presents the double advantage of avoiding cadmium and reducing the amount of light absorbed in this layer. Cu2ZnSn(S,Se)4 solar cells with a ZnS(O,OH) buffer layer have been fabricated and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6cc55fcc94a934134625c40932e1401c
https://doi.org/10.1016/j.tsf.2014.05.033

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Analysis of photovoltaic properties of Cu2ZnSn(S,Se)4-based solar cells

Autor: Louis Grenet, Simon Perraud, Raphaël Fillon, Fabrice Emieux, Pascal Faucherand, Giovanni Altamura, Hélène Fournier

Publikováno v: Solar Energy Materials and Solar Cells. 126:135-142

Analyses of current–voltage characteristics of Cu2ZnSn(S,Se)4-based solar cells reveal a non-superposition between dark and illuminated curves. Numerical simulations have been carried out to model the behavior of the Cu2ZnSn(S,Se)4/CdS heterojuncti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4c28e2fd167c4767e67f4651a22861f
https://doi.org/10.1016/j.solmat.2014.03.053

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Influence of coevaporation process on CIGS solar cells with reduced absorber thickness and current enhancement with periodically textured glass substrates

Autor: Fabrice Emieux, Simon Perraud, G. Lorin, Louis Grenet, Arnaud Gerthoffer, Frédéric Roux, O. Dellea

Publikováno v: Thin Solid Films
Thin Solid Films, 2016, 621, pp.188-194. ⟨10.1016/j.tsf.2016.12.011⟩
Thin Solid Films, Elsevier, 2016, 621, pp.188-194. ⟨10.1016/j.tsf.2016.12.011⟩

International audience; This study shows the fabrication of CIGS solar cells with various absorber thicknesses synthesized with two different methods: the classical 3-stages coevaporation process and a 1-stage coevaporation process. Structural charac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca03bf39624968088d41ac6725dfc44f
https://cea.hal.science/cea-02474090/document

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