Adsorption and reaction of SO2 on clean and oxygen precovered Pd(100) - A combined HR-XPS and DF study

Luckas N, Gotterbarm K, Streber R, Lorenz MPA, Höfert O, Vines F, Papp C, Görling A, Steinrück HP (2011)


Publication Type: Journal article

Publication year: 2011

Journal

Original Authors: Luckas N., Gotterbarm K., Streber R., Lorenz M.P.A., Höfert O., Vines F., Papp C., Görling A., Steinrück H.-P.

Publisher: Royal Society of Chemistry

Book Volume: 13

Pages Range: 16227-16235

Journal Issue: 36

DOI: 10.1039/c1cp21694e

Abstract

We studied the adsorption and reactivity of SO on clean and oxygen precovered Pd(100) with high resolution X-ray photoelectron spectroscopy and density functional calculations. Upon adsorption at 120 K two different SO species were detected, which were identified as upright-standing and flat-lying molecules by comparing the calculated core level shifts. In agreement with the relative stabilities determined by the calculations the intensities of the photoelectron spectra indicate that the majority species are upright-standing SO . Upon heating the quantitative analysis of the data indicates desorption of SO and formation of atomic sulfur. On the oxygen precovered surface small amounts of SO are formed already upon SO adsorption at low temperatures. Upon heating stepwise oxidation of SO to SO and, eventually, to SO is found. Two different SO species were detected, which are assigned to SO bound in the proximity of or remote from oxygen adatoms, according to core level shift estimates. © 2011 the Owner Societies.

Authors with CRIS profile

Additional Organisation(s)

How to cite

APA:

Luckas, N., Gotterbarm, K., Streber, R., Lorenz, M.P.A., Höfert, O., Vines, F.,... Steinrück, H.-P. (2011). Adsorption and reaction of SO2 on clean and oxygen precovered Pd(100) - A combined HR-XPS and DF study. Physical Chemistry Chemical Physics, 13(36), 16227-16235. https://dx.doi.org/10.1039/c1cp21694e

MLA:

Luckas, Nicola, et al. "Adsorption and reaction of SO2 on clean and oxygen precovered Pd(100) - A combined HR-XPS and DF study." Physical Chemistry Chemical Physics 13.36 (2011): 16227-16235.

BibTeX: Download