Sophie BARRAU

Professor

Bâtiment C6 - 201
Unité Matériaux et Transformations
Cité scientifique, Bât. C6
Université de Lille
59655 Villeneuve d'Ascq
France
Tel: +33 (0) 320 43 49 60
Fax: +33 (0) 320 43 65 91
Email : Send an email to Sophie BARRAU
ORCID Identifier : 0000-0003-4790-9994

Research team: Ingénierie des systèmes polymères

Research

Piezoelectric polymers and composites, structure - properties relationships

Teaching

Department of Physics

Projects

• ANR NanoPiC, Study of the multi-scale piezoelectric behavior of innovative micro- and nano-structured composites - Projet de Recherche Collaborative - Défi : "Stimuler le Renouveau Industriel"

Current PhD thesis

• Thibaut MOREL, Matériaux nanocomposites fonctionnels aux propriétés piézoélectriques et thermoélectriques ajustables . Thesis started in 2022. Other co-advisor: Jean-François BRUN.
• Mélanie GIRARDOT, Relations structure-propriétés des copolymères piézoélectriques et de leur composites à base de céramiques électroactives. Thesis started in 2021. Other co-advisor: Joël LYSKAWA.

Defended PhD thesis

• Ahmad HAMIEH, Synthesis and micro-structuring of lead-free piezoelectric films for the production of ceramic / polymer composites. Thesis defended in 2021. Other co-advisors: Freddy Ponchel, Denis Remiens.
• Cuong NGUYEN THAI, Nanoscale characterization of piezoelectric bio-based polymers for their potential energy harvesting applications. Thesis defended in 2021. Other co-advisor: Philippe Leclere.
• Vincent BOUAD, Etude de l’adhésion interfaciale dans les composites piézoélectriques à matrice fluopolymère. Thesis defended in 2021. Other co-advisor: Vincent Ladmiral.
• Maroua LOUATI, Multi-scale study of photoactive thin films based on the supramolecular assembly of photochromic molecular switches and polymer. Thesis defended in 2019. Other co-advisor: Stéphane Aloïse. Position: Ingénieur R&D société ALIAXIS.
• Juliette Defebvin, Study of the relationships between structure and properties of piezoelectric hybrid materials based on PVDF. Thesis defended in 2015. Other co-advisor: Jean-Marc LEFEBVRE.

Latest scientific contributions in LillOA (Lille Open Archive)

Publications

21. I. Arroyo Diaz, R. Cedeno Madera, N. Nour Eddine, G. Alcaraz, S. Pensec, L. Bouteiller, M. Nait Abdelaziz, S. Barrau, J.-F. Tahon, D. Fournier, A. Fadel, M. Takeshita, G. Buntinx, S. Aloise, Easy Processable Photomechanical Thin Film Involving a Photochromic Diarylethene and a Thermoplastic Elastomer in Supramolecular Interaction, Small e2402131 (2024), [doi: 10.1002/smll.202402131, LillOA]
20. V. Bouad, M. Girardot, V. Ladmiral, S. Barrau, Piezoelectric fluorinated polymer composites: A review on coupling agents at the filler/matrix interface, Polymer Composites 45;5, 3861-3882 (2024), [doi: 10.1002/pc.28064, LillOA]
19. M.A. Ben Achour, S. Barrau, J.-F. Tahon, M. Rguiti, C. Courtois, B. Stubbe, J.-M. Raquez, M.-F. Lacrampe, C. Samuel, Shear Piezoelectricity of Poly(l-lactide) Films Manufactured by Extrusion–Orientation: An Insight on Process–Structure–Property Relationships, ACS Applied Polymer Materials 5;12, 9761–9775 (2023), [doi: 10.1021/acsapm.3c01419, LillOA]
18. S. Mohandas Moolayil, A. Da Costa, J.-F. Tahon, V. Bouad, A. Hamieh, F. Ponchel, V. Ladmiral, D. Rémiens, J.-M. Lefebvre, R. Desfeux, S. Barrau, A. Ferri, New Insight into Nanoscale Identification of the Polar Axis Direction in Organic Ferroelectric Films, ACS Applied Materials & Interfaces 15;44, 51663-51674 (2023), [doi: 10.1021/acsami.3c08579, LillOA]
17. M.A. Ben Achour, M. Rguiti, C. Samuel, S. Barrau, M.-F. Lacrampe, C. Courtois, Energy harvesting by uniaxially-stretched poly(lactide) films at low tensile strain frequencies for powering wearable sensors: experimental results and theoretical extrapolation, Smart Materials and Structures 32;7, 075009 (2023), [doi: 10.1088/1361-665x/acd972, LillOA]
16. M.A. Ben Achour, C. Samuel, M. Rguiti, S. Barrau, C. Courtois, M. Lacrampe, Evaluation of shear piezoelectric coefficients by a bimorph cantilever technique for extruded and oriented poly( l ‐lactide) films, Polymers for Advanced Technologies 34;3, 939-947 (2023), [doi: 10.1002/pat.5942, LillOA]
15. V. Bouad, K. Ohno, A. Addad, A. Marin, N. Donzel, S. Barrau, J. Lyskawa, V. Ladmiral, Surface-initiated reversible addition fragmentation chain transfer of fluoromonomers: an efficient tool to improve interfacial adhesion in piezoelectric composites, Polymer Chemistry 13;42, 6061-6072 (2022), [doi: 10.1039/d2py00825d, LillOA]
14. V. Bouad, A. Fadel, S. Mohan, A. Hamieh, J.-F. Tahon, J. Lyskawa, P. Woisel, A. Da Costa, A. Ferri, R. Desfeux, F. Ponchel, D. Remiens, V. Ladmiral, S. Barrau, Utilization of Catechol End-Functionalized PMMA as a Macromolecular Coupling Agent for Ceramic/Fluoropolymer Piezoelectric Composites, ACS Applied Polymer Materials 4;10, 7258–7267 (2022), [doi: 10.1021/acsapm.2c00883, LillOA]
13. M. Louati, S. Barrau, J.-F. Tahon, A. Brosseau, M. Takao, M. Takeshita, R. Métivier, G. Buntinx, S. Aloise, Is it possible to maintain photomechanical properties of crystalline diarylethenes after thermal amorphization?, Journal of Molecular Structure 1261, 132857 (2022), [doi: 10.1016/j.molstruc.2022.132857, LillOA]
12. J.-E. Potaufeux, G. Rapp, S. Barrau, G. Liu, C. Zhang, E.P. Giannelis, D. Notta-Cuvier, F. Lauro, J.-M. Raquez, J. Odent, S. Therias, Influence of photooxidation on ionic reversible interactions of ionic poly(ether urethane)/silica hybrids, Polymer Degradation and Stability 197, 109872 (2022), [doi: 10.1016/j.polymdegradstab.2022.109872, LillOA]
11. J.-E. Potaufeux, J. Odent, D. Notta-Cuvier, S. Barrau, C. Magnani, R. Delille, C. Zhang, G. Liu, E.P. Giannelis, A.J. Müller, F. Lauro, J.-M. Raquez, Mastering Superior Performance Origins of Ionic Polyurethane/Silica Hybrids, ACS Applied Polymer Materials 3;12, 6684-6693 (2021), [doi: 10.1021/acsapm.1c01396, LillOA]
10. V. Sessini, C. Nguyen Thai, H. Amorín, R. Jiménez, C. Samuel, S. Caillol, J. Cornil, S. Hoyas, S. Barrau, P. Dubois, P. Leclère, J.-M. Raquez, Solvent-Free Design of Biobased Non-isocyanate Polyurethanes with Ferroelectric Properties, ACS Sustainable Chemistry & Engineering 9;44, 14946–14958 (2021), [doi: 10.1021/acssuschemeng.1c05380, LillOA]
9. M. Louati, J.-F. Tahon, D. Fournier, G. Stoclet, S. Aloise, M. Takao, M. Takeshita, J.-M. Lefebvre, S. Barrau, In-situ SAXS/WAXS investigations of ureidopyrimidinone functionalized semi-crystalline poly(ethylene-co-butylene) supramolecular polymers, Polymer 228, 123875 (2021), [doi: 10.1016/j.polymer.2021.123875, LillOA]
8. V. Bouad, M. Guerre, C. Totée, G. Silly, O. Gimello, B. Améduri, J.-F. Tahon, R. Poli, S. Barrau, V. Ladmiral, RAFT polymerisation of trifluoroethylene: the importance of understanding reverse additions, Polymer Chemistry (2021), [doi: 10.1039/d0py01754j, LillOA]
7. J.-F. Brun, C. Binet, J.-F. Tahon, A. Addad, P. TRANCHARD, S. Barrau, Thermoelectric properties of bulk multi-walled carbon nanotube - poly(vinylidene fluoride) nanocomposites: Study of the structure/property relationships, Synthetic Metals 116525 (2020), [doi: 10.1016/j.synthmet.2020.116525, LillOA]
6. S. Bellayer, M. Jimenez, S. Barrau, A. Marin, J. Sarazin, S. Bourbigot, Formulation of eco-friendly sol–gel coatings to flame-retard flexible polyurethane foam, Green materials 1-11 (2020), [doi: 10.1680/jgrma.19.00059, LillOA]
5. A. Hamieh, F. Ponchel, S. Barrau, D. Remiens, Synthesis of lead-free (Bi0,5Na0,5)TiO3 thin film by RF magnetron sputtering: Impact of Na on the properties of film, Ferroelectrics 556;1, 79-86 (2020), [doi: 10.1080/00150193.2020.1713345, LillOA]
4. J.-E. Potaufeux, J. Odent, D. Notta-Cuvier, R. Delille, S. Barrau, E.P. Giannelis, F. Lauro, J.-M. Raquez, Mechanistic insights on ultra-tough polylactide-based ionic nanocomposites, Composites Science and Technology 108075 (2020), [doi: 10.1016/j.compscitech.2020.108075, LillOA]
3. L.J. Lindgren, F. Zhang, M. Andersson, S. Barrau, S. Hellström, W. Mammo, E. Perzon, O. Inganäs, M.R. Andersson, Synthesis, Characterization, and Devices of a Series of Alternating Copolymers for Solar Cells, Chemistry of Materials 21;15, 3491-3502 (2009), [doi: 10.1021/cm802949g, LillOA]
2. S. Barrau, V. Andersson, F. Zhang, S. Masich, J. Bijleveld, M.R. Andersson, O. Inganäs, Nanomorphology of Bulk Heterojunction Organic Solar Cells in 2D and 3D Correlated to Photovoltaic Performance, Macromolecules 42;13, 4646-4650 (2009), [doi: 10.1021/ma802457v, LillOA]
1. Y. Zhou, F. Li, S. Barrau, W. Tian, O. Inganäs, F. Zhang, Inverted and transparent polymer solar cells prepared with vacuum-free processing, Solar Energy Materials and Solar Cells 93;4, 497-500 (2009), [doi: 10.1016/j.solmat.2008.11.002, LillOA]

Full list (The link could be slow)

Conference presentations

10. S. Barrau, J.-F. Brun, Comportement thermoélectrique de nanocomposites nanotubes de carbone/copolymère fluoré, Communication dans un congrès sans actes, Journée Jeunes Polyméristes du Nord 5, Douai, France, Jun 2024 [LillOA]
9. T. MOREL, S. Barrau, J.-F. Brun, Propriétés thermoélectriques de nanocomposites à matrice copolymère piézoélectrique, Communication dans un congrès sans actes, GDR REEPOS/MATELEC 2024, Villeurbanne - Lyon, France, Jun 2024 [LillOA]
8. M. Girardot, J.-F. Tahon, A. Fadel, J. Lyskawa, S. Barrau, Relations entre structure et propriétés physiques macroscopiques de copolymères P(VDF-co-TrFE), Communication dans un congrès sans actes, GDR REEPOS 2023 & SDM 3, Toulouse, France, Jul 2023 [LillOA]
7. V. Bouad, J. Defebvin, V. Ladmiral, S. Barrau, Nanocomposites à matrice polymère fluorée : Relation entre microstructure et propriétés piézoélectriques, Communication dans un congrès sans actes, GDR REEPOS 2023 & SDM 3, Toulouse, France, Jun 2023 [LillOA]
6. J.-F. Brun, C. Binet, J.-F. Tahon, I. Bekal, S. Barrau, Thermoelectric properties of carbon nanotubes/poly(vinylidene fluoride) nanocomposites, Poster, International Symposium on Polymer Nanocomposites, Lorient, France, Sep 2022 [LillOA]
5. A. Ferri, A. Da Costa, S. Barrau, R. Bourrez, M.-H. Chambrier, A. Marin, J. Defebvin, J.-M. Lefebvre, R. Desfeux, Étude nanométrique de la réponse piézoélectrique de films composites polymère/céramique étirés de type PVDF/BaTiO3, Poster, Matériaux Électroactifs et Applications (MatElec 2022), Villeneuve d'Ascq, France, Jul 2022 [LillOA]
4. A. Ferri, S. Barrau, R. Bourrez, A. Da Costa, M.-H. Chambrier, A. Marin, J. Defebvin, J.-M. Lefebvre, R. Desfeux, Étude du comportement piézoélectrique local de nanocomposites étirés de PVDF/BaTiO3, Poster, Forum des microscopies à sonde locale, Saint-Valery-sur-Somme, France, Mar 2022 [LillOA]
3. D. Nguyen, S. Barrau, A. Ferri, A. Da Costa, J.-M. Raquez, P. Leclère, Nanoscale characterization of piezoelectric bio-based electrospun nanofibers for their potential energy harvesting applications, Communication dans un congrès sans actes, Matériaux Électroactifs et Applications (MatElec 2022), Villeneuve d'Ascq, France, Jul 2022 [LillOA]
2. O. Mlida, A. Da Costa, M.-H. Chambrier, C. Binet, J. Lyskawa, R. Desfeux, S. Barrau, A. Ferri, Étude locale des propriétés piézoélectriques de nanocomposites de type PVDF/BaTiO3 : effet de la fonctionnalisation des particules inorganiques, Communication dans un congrès sans actes, Matériaux Électroactifs et Applications (MatElec 2022), Villeneuve d'Ascq, France, Jul 2022 [LillOA]
1. M. Saj Mohan, A. Da Costa, J.-F. Tahon, V. Bouad, A. Hamieh, A. Addad, A. Marin, F. Cazaux, F. Ponchel, J.-M. Lefebvre, V. Ladmiral, D. Rémiens, R. Desfeux, S. Barrau, A. Ferri, Atomic force microscopy as a suitable tool for probing the polar axis direction in electroactive P(VDF-co-TrFE) films at the nanoscale, Communication dans un congrès sans actes, Matériaux Électroactifs et Applications (MatElec 2022), Villeneuve d'Ascq, France, Jul 2022 [LillOA]

Full list (The link could be slow)