Regensburg 2022 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 30: Semiconductor Surfaces
O 30.7: Vortrag
Dienstag, 6. September 2022, 12:15–12:30, S053
Adsorption of CO and CO2 on the Y-stabilized ZrO2(100) surface — •shuang chen, xiaojuan yu, eric sauter, alexei nefedov, stefan heißler, christof wöll, and yuemin wang — Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (KIT), 76344 Eggenstein-Leopoldshafen, Germany
Understanding the stabilization mechanism of the Y- stabilized zirconia (YSZ) (100) surface has triggered a great debate over the past 30 years. In this work, we focused on a fundamental study on the surface structure of YSZ(100) by polarization-resolved infrared reflection absorption spectroscopy (IRRAS), in combination with grazing-emission X-ray photoelectron spectroscopy (XPS). The combined IR and XPS results allowed to gain detailed insight into the adsorption of carbon monoxide and carbon dioxide on YSZ(100) over a large coverage range from submonolayer to multilayers. The experimental data were further analyzed based on the density functional theory (DFT) calculations.