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CATEGORIES:Institute for Energy and Environmental Flows (IEEF
 )
SUMMARY:Nanocarbon and Metal Aerogels as Multifunctional\,
  Porous Support Materials in Adsorption and Cataly
 sis - Dr Robert Menzel\, Department of Chemistry\,
  University of Leeds
DTSTART;TZID=Europe/London:20181115T113000
DTEND;TZID=Europe/London:20181115T123000
UID:TALK110980AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/110980
DESCRIPTION:Directed self-assembly of carbon nanostructures an
 d metal nanoparticles into porous 3D structures\, 
 provides unique opportunities to fabricate monolit
 hic\, highly-porous materials\, such as aerogels\,
  with well-controlled properties (e.g. microstruct
 ure\, porosity\, mechanical robustness\, electro-t
 hermal conductivity). Here\, we explore polymer-as
 sisted nano-structure assembly (carbon nanotubes\,
  graphene oxide\, metal nanoparticles)\, based on 
 hydrothermal methods\, emulsion-templating and tem
 plating on sacrificial hard templates\, to produce
  nanocarbon and metal aerogels with fundamentally 
 different microstructures. Different chemical meth
 odologies (e.g. in-situ precipitation\, sublimatio
 n-deposition) are explored to decorate the aerogel
  frameworks with catalyst and adsorbent nanopartic
 les (anionic clays\, h-BN) in a uniform and consis
 tent fashion. Supporting these functional nanopart
 icles within the structured aerogel frameworks res
 ults in significant improvements in their activity
 \, kinetics and regenerability in important adsorp
 tion applications (adsorptive desulfurisation of h
 ydrocarbons\, CO2 capture)1\,2 as well as in heter
 ogeneous catalysis.3 In order to exploit the benef
 its of these aerogels further\, the electrical con
 ductivity of the cross-linked frameworks is utilis
 ed for direct resistive heating\, enabling energy-
 efficient and very fast temperature control and ra
 pid thermal regeneration of spent adsorbents and c
 atalysts.4
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3
  0EZ
CONTACT:Catherine Pearson
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