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DTSTAMP:20260416T135205
DTSTART:20130620T110000
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URL:https://murmitoyen.com/events/vanille/udem/detail/246685
LOCATION:Université de Montréal - Pavillon J.-Armand-Bombardier\, 5155\, 
 chemin de la rampe \, Montréal\, QC\, Canada\, H3T 2B2
SUMMARY:Conférence du Professeur Dirk Kurth (Würzburg)
DESCRIPTION:Titre : Metallo-Supramolecular Polyelectrolytes (MEPEs): Fundam
 entals and Applications.
\nCette conférence sera prononcée (en anglais) 
 par le professeur Dirk Kurth de la chaire en Chemical Technology of Advanc
 ed Materials\, au sein de la Faculté de chimie et de pharmacie de la Juli
 us-Maximilians-Universität Würzburg. Ce dernier est professeur invité d
 u CRMAA et entreprend un court séjour à Montréal.
\nRésumé : Chemistr
 y based functional materials rely on the integration of molecular\, colloi
 dal or polymeric components into a specific material architecture in order
  to express specific functions. Examples include liquid crystal displays (
 LCDs)\, organic light emitting diodes (OLEDs)\, electrochromic windows (EC
 Ws)\, or photovoltaic cells like the Grätzel cell. In the past we have in
 vestigated supramolecular interactions and molecular self-assembly in orde
 r to organize a variety of potential building blocks into complex architec
 tures. Metallo-supramolecular polyelectrolytes (MEPEs) combine the propert
 ies of metal ion coordination compounds with colloidal and polymer propert
 ies making them attractive candidates for materials science. Short\, rigid
  terpyridines and related ligands form even with kinetically labile metal 
 ions macromolecular assemblies in aqueous solutions. Using a variety of co
 mplementary methods we could show that the resulting MEPEs form rigid-rod 
 type macro-assemblies that respond to external stimuli. The positive charg
 e can be used to incorporate MEPEs in different architectures\, including 
 fluid crystalline phases\, mesoporous materials or thin films. The final m
 aterials show interesting properties including spin-crossover\, thermo- an
 d mechano-chromic properties\, an electro-rheological effect as well as el
 ectro-chromic effects. The fabrication\, the structure and function of the
 se materials will be discussed in detail.
\nInformation supplémentaire
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