Oxidation over Pd Model Surfaces - a Near-Ambient Pressure XPS and DFT Study

Venvik, Hilde

Wednesday, June 17, 2015

Ballroom B (Lawrence Convention Center)

Vasco Fernandes¹, Maxime Van den Bossche², Jan Knudsen³, Mari Farstad¹, Johan Gustafson⁴, Edvin Lundgren⁴, Hilde Venvik¹, Henrik Grönbeck² and Anne Borg¹, (1)Norwegian University of Science and Technology, Norway, (2)Chalmers University of Technology, Sweden, (3)Lund University, Sweden, (4)University of Lund, Sweden.

CO oxidation over Pd(100) and Pd₇₅Ag₂₅(100) was studied using near ambient X-ray photoelectron spectroscopy, quadropole mass spectrometry, as well as first principles based microkinetics to elucidate the nature of the active Pd surface. Reversed hysteresis kinetic effects are observed that can be attributed to changes in the surface composition.

Extended Abstracts:

2015-11-03 AbstractNAM_CS_Fernandes_final1.pdf (128.5KB) - Extended Abstract

P-W-B-228 Oxidation over Pd Model Surfaces - a Near-Ambient Pressure XPS and DFT Study