Abstract
The ability to be able to follow the chemistry of adsorbates on model catalyst surfaces has, in principle, allowed us to peer inside the “black box” of a catalytic reaction and understand the pathway. Such a strategy is most simply implemented for well-ordered single crystal model catalysts for which the catalytic reaction proceeds in ultrahigh vacuum. Thus, in order to be a good model for the supported catalyst, the single crystal should catalyze the reactions with kinetics identical to those for the supported system. This chapter focuses on catalytic systems that fulfill these criteria, namely alkene and alkyne hydrogenation and acetylene cyclotrimerization on Pd(111). The surface chemistry and geometries of the reactants in ultrahigh vacuum are explored in detail allowing fundamental insights into the catalytic reaction pathways to be obtained.
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We gratefully acknowledge support of this work by the United States Department of Energy under several grants and the numerous students and postdoctoral scientists who have worked on these projects.
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Tysoe, W.T. (2010). Catalytic Chemistry of Hydrocarbon Conversion Reactions on Metallic Single Crystals. In: Rioux, R. (eds) Model Systems in Catalysis. Springer, New York, NY. https://doi.org/10.1007/978-0-387-98049-2_1
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