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UID:69dffb201fe44
DTSTAMP:20260415T165456
DTSTART:20140321T110000
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20140321T123000
URL:https://murmitoyen.com/events/vanille/udem/detail/405899
LOCATION:Université de Montréal - Pavillon J.-Armand-Bombardier\, 5155\, 
 chemin de la rampe \, Montréal\, QC\, Canada\, H3T 2B2
SUMMARY:Conférence du Professeur Stefan Bernhard (Carnegie Mellon)
DESCRIPTION:Titre : Beyond Water Splitting: Novel Approaches to Solar Fuels
 .La conférence (en anglais) sera prononcée par le professeur Stefan Bern
 hard du département de chimie de la Carnegie Mellon University. Ce dernie
 r sera de passage à Montréal à titre d'examinateur externe d'une souten
 ance de thèse en chimie. Résumé : Pathways for converting light to che
 mical energy are critical for development and implementation of future sus
 tainable energy solutions. This lecture will highlight progress in the are
 a of photon-driven fuel production with the first part of the talk focusin
 g on photocatalytic reduction of Zn2+ ions to metallic Zn. Iridium(III) co
 mplexes have proven to be effective photocatalysts for such production of 
 Zn fuel\, and the optimization of the catalyst as well as the solvent and 
 zinc starting material will be discussed. An organocatalytic approach will
  also be presented as an alternative to the use of expensive 3rd row trans
 ition metal catalysts. The second part of the talk will highlight new work
  on the photocatalytic de-hydrogenation of alcohols driven by visible ligh
 t. These efforts strive to use cheap and abundant biomolecules as a source
  of carbon neutral hydrogen. Finally\, the lecture will end by highlightin
 g the Bernhard group’s ongoing work on water oxidation catalysis. New re
 sults involving iron and iridium-based catalysts will be presented with em
 phasis on the elucidation of the water oxidation mechanism which involves 
 complex\, concerted electron and proton transfer processes. Information su
 pplémentaire
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