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SUMMARY:Electron microscopy diagnostics of oxide catalysts for the oxygen 
 evolution reaction
DTSTART:20170403T131500
DTEND:20170403T141500
DTSTAMP:20260510T135541Z
UID:760cb31d5a141c891925e337df4950a974b6c5c4c11026a788fdb387
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Vaso Tileli\, Laboratory for in situ nanomaterials chara
 cterisation with electrons\, EPFL\nFunctional oxide catalysts are highly s
 ensitive to boundary/surface/interface conditions\, which are expected to 
 dominate the overall response when sizes are reduced into the nanoscale. I
 n this talk\, a thorough analysis of the active sites of promising perovsk
 ite catalysts for the oxygen reduction reaction (ORR) will be detailed. Th
 e approach to diagnose on the very atomic scale their functionalities proc
 eeds with a range of different state-of-art transmission electron microsco
 py (TEM) methodologies including negative spherical aberration imaging (NC
 SI) to extract microstructure information\, electron energy-loss spectrosc
 opy (EELS) coupled with density functional theory calculations to deduct c
 hemistry transformations\, and environmental TEM for real-time observation
  of the oxygen evolution reaction.\n\nBio: Vaso Tileli is currently an Ass
 istant Professor at EPFL working on the fundamental aspects of nanoscale p
 hysicochemical phenomena in functional materials revealed by in situ elect
 ron microscopy techniques. She received her PhD in 2009 from the College o
 f Nanoscale Science and Engineering at University at Albany\, SUNY NY\, wh
 ile working on electron beam/specimen interactions in electromagnetic fiel
 ds in the presence of gases. She joined as a Marie Curie Intra-European Fe
 llow the Department of Materials at Imperial College London for the develo
 pment and application of advanced microscopy techniques for functional oxi
 de materials. More recently she spent time at the Department of Physics an
 d Astronomy at University College London working on electron characterizat
 ion of hybrid and/or 2D structures.\n\n 
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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