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SUMMARY:Chemical Engineering Seminar: 2-dimensional Zeolite Catalysts
DTSTART:20191122T161500
DTEND:20191122T173000
DTSTAMP:20260414T111000Z
UID:e9e045a4b44300a02c8a379e3305c318e5dc7e41b9a448d6b4bb53d2
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Michael Tsapatsis\, Department of Chemical and Biomolecu
 lar Engineering\, Johns Hopkins University\, USA.\nRemote attendance poss
 ible at: https://epfl.zoom.us/j/642409239\n\n Zeolites are widely used c
 atalysts in the chemical industry. Controlling their structure at the sub-
 nanometer level remains a challenge with important practical implications.
  In 2012\, we reported the synthesis of single-unit-cell zeolite nanosheet
 s\, in a house of cards arrangement. We named these 2-dimenisonal material
 s SPP (self-pillared pentasil) and we have been investigating their crysta
 l growth mechanism\, their adsorption and transport properties\, and their
  catalytic performance as Brønsted and Lewis acids\, and as supports of m
 etal nanoparticles. In this talk\, I will discuss their discovery\, our cu
 rrent understanding of their micro- and mesoporous hierarchical structure\
 , along with unique aspects of adsorption and diffusion in SPP\, and emerg
 ing uses of SPP-based catalysts\, like in the synthesis of renewable para-
 xylene\, isoprene\, butadiene and surfactants.  Recent progress on nanosh
 eet structure control with nm-scale precision\, which enables us through m
 odeling and experiments to assess adsorption\, diffusion and reaction in t
 hese complex materials\, will be emphasized.
LOCATION:BCH 2201 https://plan.epfl.ch/?room==BCH%202201
STATUS:CONFIRMED
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