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DTSTAMP:20260411T161556
DTSTART:20180411T110000
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URL:https://murmitoyen.com/events/vanille/udem/detail/813228-conference-ccv
 c-de-chimie-de-la-professeure-magdalena-titirici-londres
LOCATION:Université de Montréal - Pavillon J.-Armand-Bombardier\, 5155\, 
 chemin de la rampe \, Montréal\, QC\, Canada\, H3T 2B2
SUMMARY:Conférence CCVC de chimie de la professeure Magdalena Titirici (Lo
 ndres)
DESCRIPTION:Conférence CCVC de chimie de la professeure Magdalena Titirici
  du Queen Mary University of London\, School of Engineering and Materials
  Science.
\nHôte : André Charette
\nEndroit : Salle 1035\, Pavillon J.Ar
 mand Bombardier 
\nTitre : Sustainable Carbon Materials for Renewable En
 ergy
\nRésumé : 
\nOne of the grand challenges facing humanity today is
  access to sustainable materials and chemicals which are at the heart of s
 ustainable technologies. The production of materials\, chemicals and fuels
  from abundant and renewable resources will eliminate our dependence on pe
 troleum/critical metal based supplies and will provide access to a new eco
 nomy based on available reserves.
\nCarbon is the most versatile element k
 nown. It combines with other (carbon) atoms giving rise to new carbon mate
 rials with astonishing properties. The versatility and potential of carbon
  has attracted top recognition in the last decade for the work in fulleren
 es (1996 Nobel Prize in Chemistry)\, CNTs (2008 Kavli Prize in Nanoscience
 ) and grapheme (2010 Nobel Prize in Physics). However\, the mystery and wo
 nder of carbon offers more to discover.
\nWhile carbon is widespread on Ea
 rth\, it has been mainly synthesised from fossil fuel based precursors wit
 h sophisticated and energy consuming methodologies that generate toxic gas
 es and chemicals. The preparation of carbon materials from renewable resou
 rces is a key research challenge in terms of sustainability\, climate chan
 ge and economics. Since the beginning Nature created carbon from biomass.

 \nWe have demonstrated that it is possible to mimicking the natural proces
 s of carbon formation and prepare carbon nanomaterials from biomass using 
 mild hydrothermal processes. Along with amorphous carbon materials (denote
 d HTC)\, this procedure also enables biomass transformation into useful ch
 emicals such as 5-hydroxymethylfurfural (5-HMF) or levulinic acid (LA). Re
 cently\, we have discovered a third product of Hydrothermal Carbonisation 
 - a crystalline form of carbon - arising at the interface between the amor
 phous HTC microspheres and the aqueous phase containing the biomass-derive
 d chemicals.
\nIn this talk I will present some of the fundamentals govern
 ing the production of carbon nanomaterials and chemicals. We will also dis
 cuss the application of HTC materials in electrocatalytic reactions such a
 s Oxygen Reduction Reaction and Oxygen Evolution Reaction.
\nFinally\, som
 e of the photo-physics governing the optoelectronic properties of the new 
 family of fluorescent hydrothermal carbon nanocrystals and their applicati
 ons as sensitizers in solar cells will be presented.
\nInformations suppl
 émentaires
\nAnnonce PDF de la conférence
\n 
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