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BEGIN:VEVENT
UID:69d98da86f39a
DTSTAMP:20260410T195416
DTSTART:20190429T113000
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DTEND:20190429T123000
URL:https://murmitoyen.com/events/vanille/udem/detail/870186-dynamic-cataly
 sis-in-three-dimensions-n-nikolay-kornienko-udem
LOCATION:  Pavillon J.- Armand-Bombardier\, 5155 avenue Decelles  amphithé
 âtre – 1035\, H3T 2B1\, Montréal
SUMMARY:Dynamic Catalysis in Three Dimensions – Nikolay Kornienko\, UdeM
DESCRIPTION:Assistant Professor\, University of Montreal\, Department of Ch
 emistry
\n
\nFrom nature’s enzymes to synthetic metal-organic frameworks
  (MOFs)\, three-dimensional catalysts possess key inherent attributes that
  enable then to function in a manner not feasible in non-porous materials.
  For example\, enzyme catalytic pockets feature not only binding sites\, b
 ut also amino acid residues that stabilize high-energy intermediates throu
 gh hydrogen bonding or electrostatics.  Local hydrophobicity modulates reo
 rganization energies and an adaptable structure responds to stimuli. Porou
 s amorphous catalysts similarly feature structural rearrangement to yield 
 a catalytically active state upon the application of a voltage\, though th
 ey lack a well-defined hierarchical structure.
\n
\nThe chemical tunabilit
 y and three-dimensional structure of MOFs has drawn great interest in desi
 gning functional materials with predetermined\, precisely controlled pore 
 dimensions and chemistry. In the context of electrochemistry\, MOFs have b
 een used as supercapacitors\, battery electrodes\, and catalysts for fuel 
 cells and fuel forming reactions. MOFs here are especially advantageous as
  their inherent porosity and high density of catalytically active sites is
  beneficial for electrocatalysis.
\n
\nIn this talk\, I discuss how my PhD
  training in heterogeneous electrocatalysis and postdoctoral experience in
  biological systems has sculpted my independent research program at the Un
 iversity of Montreal which aims to combine the best of both worlds in elec
 trocatalyst design. I will demonstrate how MOF-based materials are applied
  as electrocatalysts for the conversion of CO2 to useful fuels and chemica
 ls. In addition\, I detail how in-situ spectroscopy on these MOFs elucidat
 es their dynamics throughout the course of reaction and the mechanism of t
 heir catalytic cycle. 
\n
\nLien pour le site du Pr Kornienko
\n
\nCette c
 onférence est présentée par le RQMP Versant Nord du Département de phy
 sique de l'Université de Montréal et le  Département de génie physique
  de Polytechnique Montréal.
\n
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