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SUMMARY:Designer Zeolites - Mike Treacy\, Leverhulme Visiting Professor\, 
 Dept of Materials\, Oxford and Dept of Physics\, Arizona State University\
 , USA
DTSTART:20091117T150000Z
DTEND:20091117T160000Z
UID:TALK20519@talks.cam.ac.uk
CONTACT:Dr Jonathan Barnard
DESCRIPTION:Zeolites are essentially nano testtubes. They are built from m
 aterials that are structurally related to quartz\, which contain periodic 
 arrays of holes whose dimensions are comparable to small molecules. They a
 re\nexcellent catalysts\, molecular sieves and on-exchange media. They are
  used heavily in the petrochemical industry\, and can be found in most hou
 seholds in washing detergents\, double-glazed windows and some cat\nlitter
 s. Although not a household word\, zeolites are an essential part of our l
 ives. Over 50% of petrol has been in contact with a zeolite. Because of th
 eir usefulness\, there is considerable effort to make new\nzeolites by ran
 dom synthetic discovery. Consequently\, their discovery rate is slow. In t
 his talk\, I will describe a rational approach to the design of new zeolit
 es that uses graph combinatorics and global\noptimization methods. At pres
 ent\, we have identified over 5 million new hypothetical structures. The g
 oal is to reduce this catalog to a shortlist of designer zeolites\, whose 
 properties are known ahead of \nsynthesis\, and whose methods of synthesis
  can be prescribed.
LOCATION:T001 [Tower Seminar Room]\, Materials Science and Metallurgy\, De
 partment of
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