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Model Pt-Re And Pt-Sn Surfaces For Heterogeneous Catalysis, Thathsara Deshani Maddumapatabandi
Model Pt-Re And Pt-Sn Surfaces For Heterogeneous Catalysis, Thathsara Deshani Maddumapatabandi
Theses and Dissertations
The dissertation is focused on understanding the growth, morphology and activity of model heterogeneous catalytic surfaces. Vapor deposited metal clusters on single crystal surfaces are well-defined systems that can be used to understand the growth, composition and activity relationships in commercial catalysts. A fundamental understanding of surface reactions is required in order to provide insight into the development of new catalytic materials. The model catalysts approach allows for systematic investigations due to excellent control over growth, composition and characterization under a carefully controlled ultrahigh vacuum (UHV) environment.
The nucleation, growth and chemical activity of monometallic and bimetallic Pt-Re clusters on …