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DTSTAMP:20260412T012940
DTSTART:20171108T110000
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URL:https://murmitoyen.com/events/vanille/udem/detail/783666-conference-ccv
 c-avec-le-professeur-matthew-kanan-stanford
LOCATION:Université de Montréal - Pavillon J.-Armand-Bombardier\, 5155\, 
 chemin de la rampe \, Montréal\, QC\, Canada\, H3T 2B2
SUMMARY:Conférence CCVC avec le Professeur Matthew Kanan (Stanford)
DESCRIPTION:Titre : Materials Science and Synthetic Chemistry for CO2 Utili
 zation
\nEndroit : Pavillon J.-Armand Bombardier\, salle 1035 à 11 hH
 ôte : André Charette
\nCette conférence sera prononcée (en anglais) p
 ar le Professeur Matthew Kanan de Stanford University.
\nRésumé: Desp
 ite decades of research\, the utilization of CO2 for commodity chemical an
 d fuel synthesis still faces substantial technological and economic hurdle
 s. To change this paradigm\, it is imperative to develop scalable processe
 s to high-volume targets in which the use of CO2 affords a clear chemical 
 advantage over conventional routes starting from fossil fuels. This talk w
 ill describe our recent fundamental and applied research toward converting
  CO2 into oxygenated organic commodities. I will first describe our develo
 pment of “defect-rich” metallic catalysts for electrochemical CO2 and 
 CO reduction. We have pioneered the use of bulk defects known as grain bou
 ndaries to create active surfaces for these reactions and recently unveile
 d the structural origin of grain boundary–activity relationships. In the
  second part of my talk\, I will describe our development of carbonate-pro
 moted C–H carboxylation reactions to generate (di)-carboxylic acids. We 
 have found systems in which carbonate deprotonates ordinarily non-acidic C
 –H bonds (pKa>35 in organic solvent)\, generating carbon-centered nucleo
 philes that react with CO2 to form C–C bonds. As one application\, this 
 chemistry can be used to convert furoic acid\, a compound derived from ine
 dible biomass\, into furan-2\,5-dicarboxylic acid (FDCA)\, a monomer used 
 for polyester plastic synthesis. The same strategy can be extended to H2\,
  enabling CO2 hydrogenation reactions that produce C2+ oxygenates. This pr
 ocess effectively upgrades the value of H2 and thereby increases the viabi
 lity of solar water-splitting technologies.
\nInformation supplémentaireA
 nnonce PDF de la conférence
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