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SUMMARY:Controlled functionalization of surfaces: supported single-site ca
 talysts and beyond - Professor Christophe Coperet\, ETH Zurich
DTSTART:20121115T160000Z
DTEND:20121115T170000Z
UID:TALK40312@talks.cam.ac.uk
CONTACT:Sian Bunnage
DESCRIPTION:Homogeneous and heterogeneous catalysts have\, each\, specific
  advantages. While homogeneous catalysts are typically associated with eff
 icient chemical transformations at low temperatures (high selectivity)\, h
 eterogeneous ones are typically preferred in term of processes (easier reg
 eneration and separation processes).\nHere\, we will show how it is possib
 le to combine the advantages of homogeneous and heterogeneous catalysts by
  the controlled functionalization of the surfaces of oxide materials and b
 y the characterization of surface species at the molecular level\, thus al
 lowing more predictive approaches. \nWe will illustrate the power of this 
 approach with the development of well-defined “single-sites”\, whose p
 erformance and stability can be far above those displayed by homogeneous a
 nd heterogeneous catalysts\, e.g. alkene metathesis. \nWith our current le
 vel of understanding of surfaces\, we will also discuss new directions in 
 this field: understanding defect sites of surfaces and metal-support inter
 actions at the molecular level\, introducing diversity in oxide chemistry\
 , controlling the growth of nanoparticles\, the development of luminescent
  devices.\n
LOCATION:Wolfson Lecture Theatre\, Department of Chemistry
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