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UID:69db9d4b28cb6
DTSTAMP:20260412T092531
DTSTART:20170608T110000
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DTEND:20170608T110000
URL:https://murmitoyen.com/events/vanille/udem/detail/767498-molecular-engi
 neering-of-pi-conjugated-systems-for-organic-electronics
LOCATION:Université de Montréal - Pavillon J.-Armand-Bombardier\, 5155\, 
 chemin de la rampe \, Montréal\, QC\, Canada\, H3T 2B2
SUMMARY:Molecular Engineering of Pi-Conjugated Systems for Organic Electron
 ics
DESCRIPTION:Titre complet : Molecular Engineering of Pi-Conjugated Systems 
 for Organic Electronics: New Donor-Acceptor Building Blocks for Tuning the
  Band Gap of Materials
\nCette conférence sera prononcée par le profe
 sseur Pierre Frère de l'Université d'Angers.
\nHôte : Professeur Willi
 am Skene
\nRésumé: Thiophene based conjugated materials represent one of
  the most widely investigated classes of functional pi-conjugated systems\
 , motivated by their potential technological applications as organic semi-
 conducting materials for the fabrication of (opto)electronic devices such 
 field-effect transistors (OFET)\, electroluminescent diodes (OLED) and pho
 tovoltaic cells. Careful modifications on the conjugated backbone allow to
  control the energy levels of the HOMO and LUMO frontier orbitals and thus
  to tune the band gap and the electronic properties of the materials. Amon
 g the different strategies for controlling the bandgap of the materials\, 
 the D/A approach consisting to insert both donor and acceptor blocks on th
 e conjugated backbone has given rise polymers or oligomers presenting the 
 best performances in organic solar cells.
\nIn this context\, we have deve
 loped new D/A building blocks in which the D and A groups are grafted on t
 he 3 and 4 positions of a thiophene cycle. The development of new conjugat
 ed materials with original properties has been pursued from these building
  blocks. The different synthetic approaches and the relationship between t
 he electronic properties and the molecular structures of these new materia
 ls will be presented.
\nInformation supplémentaireAffiche de la confére
 nce
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