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2014 MRS Spring Meeting


WW10.03 - Combination of Surface-Science Experiments, Nanotechnology Synthesis, and Theory for the Design of Selective Catalysts


Apr 25, 2014 2:15pm ‐ Apr 25, 2014 2:45pm

Description

New selective catalysts have been conceived by using results from studies on model systems, with the help of both modern surface-science techniques and quantum mechanics calculations, and developed by using colloidal and other types of self-assembly chemistries. An example of this approach will be provided where catalysts consisting of dispersed platinum metal nanoparticles with narrow size distributions and well-defined shapes were prepared and tested for the selective promotion of carbon-carbon double-bond cis-trans isomerization reactions in olefins. It was shown that the selective formation of the cis isomer could be controlled by using tetrahedral particles with exposed (111) facets. A discussion of the surface science and DFT calculations used to predict and explain this behavior will be presented.

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