[CCoE Notice] ChBE Department Seminar: Thermodynamics and Kinetics of Elementary Reaction Steps on Late Transition Metal Catalysts and in their Sintering

[Grayson, Audrey A]

ChBE Dept. Seminar
10:30am-11:30am, Friday, December 13, 2013
Rm W122
Thermodynamics and Kinetics of Elementary Reaction Steps on Late Transition Metal Catalysts,
and in their Sintering

Charles T Campbell
University of Washington

ABSTRACT: A survey of experimental and theoretical results concerning the thermodynamics and kinetics of surface chemical reactions of importance in late transition metal catalysis will be presented.  Topics include:  (1) calorimetric measurements of the adsorption energies of small molecules and molecular fragments on single crystal surfaces, and their comparison to DFT results; (2) new measurements of the entropies of adsorbates and the trends they follow, (3) using these together with elementary-step rate measurements to build microkinetic models for multi-step catalytic reactions, and a method for analyzing these that quantifies the extent to which each elementary step and intermediate controls the net rate; and, (4) studies of the energetics and kinetics of sintering of oxide-supported late transition metal nanoparticles.

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