Quantifying oxygen induced surface enrichment of a dilute PdAu alloy catalyst
Mustafa Karatok, R. J. Madix, Jessi E. S. van der Hoeven, Joanna Aizenberg, C. Reece
Abstract
The surface composition of dilute PdAu catalysts is dynamic and difficult to resolve. Using CO pulse titration, we determine that after oxygen treatment a three-fold enrichment of Pd is seen on the surface of a dilute PdAu catalyst.
Topics & Concepts
CatalysisAlloyOxygenTitrationChemistryChemical engineeringMaterials scienceInorganic chemistryMetallurgyOrganic chemistryEngineeringCatalytic Processes in Materials ScienceCatalysts for Methane ReformingElectrocatalysts for Energy Conversion