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Molecular Design for Multielectron Transfers in Nanoelectrochimie

This project focuses on the design and implementation of molecular systems for energy and information transduction in nanoelectrochemistry. It explores the mechanisms and applications of multielectron transfers, as well as the development of novel materials and devices for this purpose. The project also involves international collaborations and has received funding from various sources.

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Molecular Design for Multielectron Transfers in Nanoelectrochimie

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  1. Interfaces, Traitements, Organisation et Dynamique des Systèmes D1 (B. Piro) D2 (J.-Y. Piquemal) D3 (J.-C. Lacroix) Électronique moléculaire, Transduction, Nanoélectrochimie Équipe Modélisation (F. Maurel) Journées du pôle Sciences Exactes et Technologies, 21-23 Mars 2016

  2. 2013-2015 Production • 14 permanent staff (4PR, 1DR, 2CR, 5MCF, 2AI, 7.5 ETP) • 65 Publications (ACL) • 4 national and international Meetings organized. • 14 book chapters, 1 Wiley book • 30 invited conferences • 5 PhD defenses, 7 PhD hired • Bronze medal CNRS 2014, (J. Ghilane) • Best communication at SFC 2015 (A. Delice) • Prix Diderot Innovation 2016 (P. Lainé)

  3. MOLECULAR DESIGN – EXPANDED PYRIDINIUMS & CARBENIUMS Molecular plateforms

  4. MOLECULAR DESIGN – EXPANDED PYRIDINIUMS & CARBENIUMS Heterogeneous multielectron transfers: mechanism & implementation J. Am. Chem. Soc. (2012) J. Am. Chem. Soc. (2015) Homogeneous (intramolecular) and heterogeneous photoinduced electron transfers: From artificial photosynthesis to photovoltaics (DSSCs) Inorg. Chem. (2013) Coord. Chem. Rev. (2015) J. Phys. Chem. Lett. (2013) Translational implementation: from photo-chemotherapy to molecular imaging Chem. Commun. (2010)

  5. Molecular design- Molecules for Molecular electronic Organometallic compounds for DSSC redox shuttle, molecular or spintronic devices Organic Letter 2013 Electrochimica Acta 2015 Diazonium precursors Patent Fr. 2011, USA 2015 J. Phys Chem. C 2015, Tetrahedron 2012

  6. Electrografting of switchable conjugated oligomers Terthiophene diazonium J. Am. Chem. Soc. 2012 J. Am. Chem. Soc. 2013 Scientific Reports 2016 (Quantum interference) Collaboration with MPQ (P. Lafarge, M. L. Della Rocca) Ultrathin layer (5-15 nm) Diode like behavior

  7. G = 15 nS Molecular junction • Activationless charge transport across 4.5 to 22 nm in molecular electronic junctions Yan, H.; Bergren, A. J. McCreery, R.; Della Rocca, M.L.; Martin, P.; Lafarge, P.; Lacroix, J. C.. PNAS, 2013, 110, 14, 5326-5330., • When Electron Transfer Meets Electron Transport in Redox-Active Molecular Nanojunctions Janin, M.; Ghilane, J.; Lacroix, J.-C. J. Am. Chem. Soc., 2013, 135, 6, 2108-2111.  Junction involving less than 10 molecules

  8. Nanostructured and multifunctionnal Surfaces Nanosphere Lithography Molecular template host/guest Complexation Bi-redox system Electrochem Comm 2012 JACS 2012; JACS 2013, ACS Applied Material and Interfaces 2015

  9. ΛX = 300 nm dX = 140 nm ΛY = 333 nm dY = 120 nm PEDOTox PEDOTred h = 40 nm Blueshift increases to Δλ = 80 nm at 0.6 V Redshift of Δλ = 120 nm at -1.0 V Plasmonic Electrode and Electrochemistry Switchable plasmonic Devices air major axis Gold NP covered by switchable PEDOT film Giant shift of the LSPR (200 nm) J. Am. Chem. Soc. 132 (2010) 10224 Encyclopedia of Nanotechnology, Springer, 2012 J Phys Chem C (2014) Electrochimica acta (2015)

  10. Mechanical Actuators • Highly Conductive, Capacitive, Flexible and Soft Electrodes Based on a 3D Graphene–Nanotube Palladium Hybrid and Conducting PolymerHyun-Jun Kim, H. Randriamahazaka, Il-Kwon Oh, Small 2014, 10, 5023–5029, • Artificial muscle : MICACT project H2020-MSCA-ITN-2014 program (2015-2018) http://www.micact.eu/ Electrochemical actuators based on Carbon nanotubes, Graphene, Ionic Liquids, Conducting polymers SPIE Proc, 8340 (2012) 83402M Advanced Mater. 24 (2012) 4317 International Collaboration Dr. Asaka (AIST-Japon), Pr. W. Chen (SINANO-Chine) Réseau Européen sur les muscles artificiels ESNAM – COST (2011-2014)

  11. Dye Sensitized Solar cells Yield 7-8 % Highly Resolved Nanostructured PEDOT on Large Areas by Nanosphere Lithography and Electrodeposition ACS Applied Materials & Interfaces (2015), 7(39), 21673-21681, New Approach for Preparation of Efficient Solid-State Dye-Sensitized Solar Cells by Photoelectrochemical Polymerization in Aqueous Micellar Solution J. Phys. Chem. Letter, 2013, 4, 23, 4026-403, Efficient solid-state dye sensitized solar cells: The influence of dye molecular structures for the in-situ photoelectrochemically polymerized PEDOT as hole transporting material. Nano Energy, 2016, 19, 455–470 International Collaboration Dr. A. Hagfeld (EPFL)

  12. Nanostructured Modified Surfaces Ultrathin layers (<15 nm) Nanosphere lithography SKILLS Nanoelectroionic Devices Atomic Contacts Metal/Molecule/Metal Junctions Switching devices Mechanical Actuators, Active plasmonic devices Memories, EM-T-N Molecular systems for energy and information transduction. Photovoltaic cells (DSSC) Supercapacitors Conductive polymers, Mixed valence Ionic liquid

  13. Fundings • 4 ANR since 2013, two with USPC partners* • DECRET (Détection et Elimination par Complexation des Radio-Eléments avec Tri magnétique) • E-StorIc (Electrochemical Molecular Devices for Multi-Electron Storage: Towards « Molecular Structronics ») • Golden Gate* (Switchable nanopores MSC-ITODYS-UPMC) • Remind* (REdox active Molecular layers with Ions for Nanoelectroionics Devices, ITODYS-MPQ-CEA) • 2 USPC projects (as coordinators) • Remind (ITODYS-MPQ-NINT-Canada) • Bimodal-G4 (Conception et évaluation d'une nouvelle famille de pyridiniums étendus comme ligands et sondes optiques des structures G-quadruplexe ITODYS-Paris Descartes) • 4 Labex SEAM Projects (as partners) • Graphmat (P7-P13) (Graphene functionalisation) • Hefor (P7-P13) (spintronic, grafting on various cobalt electrode) • 1 Emerging project (2014- 2016), LSPM and LPL P13. • 1 Industrial partnership project (starting January 2016, 2 years), with Magpie Polymers Inc • 1 European Training project Artificial muscle : MICACT project H2020-MSCA-ITN-2014 program (2015-2018) http://www.micact.eu/

  14. Equipment Projects • Surfex Plateform. (Sesame 2016) • Dedicated STM for STM break junction set up (single molecule) • Glove box for manipulation of n doped organic material • Carbon e-Beam evaporator for top coat deposition in molecular junction • Nano Raman and nano IR set up • Mechanical impedance setup (coming soon, hopefully…)

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