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DTSTAMP:20260414T193250
DTSTART:20150325T110000
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URL:https://murmitoyen.com/events/vanille/udem/detail/497264
LOCATION:Université de Montréal - Pavillon J.-Armand-Bombardier\, 5155\, 
 chemin de la rampe \, Montréal\, QC\, Canada\, H3T 2B2
SUMMARY:Conférence CRMAA avec le Professeur Paolo Samori (Strasbourg)
DESCRIPTION:Titre : Taming Complexity in Dynamic Molecular Materials: Tailo
 ring Low-Dimensional Multifunctional Nanostructures.Endroit : Pavillon J.A
 .-Bombardier\, salle 1035 à 11 hHôte : William SkeneCette conférence s
 era prononcée par le professeur Paolo Samori de l'Institut de Science et 
 d'Ingénierie Supramoléculaires au sein de l'Université de Strasbourg. E
 lle est commanditée par le Centre de recherche sur les materiaux auto-ass
 emblés (CRMAA) et sera donnée en anglais.Résumé : Responsive supramol
 ecularly engineered hybrid materials are key in multifunctional (opto)elec
 tronics. However\, their practical use requires the optimization of the se
 lf-assembly of multimodular architectures at surfaces using non-convention
 al methods\, their controlled manipulation and responsiveness to external 
 stimuli\, and the quantitative study of various physico-chemical propertie
 s at distinct length- and time-scales. My lecture will review our recent f
 indings on: 1) The STM monitoring of the reversible on-surface reactivity 
 under thermodynamic control making use for the first time of dynamic coval
 ent chemistry approaches at the solid-liquid interface. We focused our att
 ention to the double imine formation between 4-(hexadecyloxy)benzaldehyde 
 and different α\,ω-diamines as well as reversible bistransimination. In 
 particular\, we provided direct evidence of the ability of adsorption free
  energy to act as a physical agent that shift equilibriums and eventually 
 drives completion of a reaction thereby selecting a given constituent of a
  dynamic covalent library. 2) The harnessing of the yield of exfoliation o
 f graphene in liquid media by mastering the supramolecular approach via co
 mbination with ad-hoc functional molecules\, leading ultimately to the bot
 tom-up formation of optically responsive graphene based nanocomposites for
  electronics. 3) The bottom-up formation of graphene based 3D covalent fra
 meworks with tunable intersheet distance\, exhibiting large specific surfa
 ce areas which determine an ability to adsorb CO2 which is the highest rep
 orted among carbon-based materials and extremely high performance in super
 capacitors. 4) The tailoring multicomponent films comprising photochromic 
 systems and semiconducting molecules\, and their exploitation to realise m
 ultifunctional devices such as optically switchable field-effect transisto
 rs.Information supplémentaireAnnonce PDF de la conférence 
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