Interaction between silver nanowires and CO on a stepped platinum surface

Streber R, Tränkenschuh B, Schöck J, Papp C, Steinrück HP, Mcewen JS, Gaspard P, Denecke R (2009)

Publication Type: Journal article

Publication year: 2009

Journal

Journal of Chemical Physics AIP Publishing

Original Authors: Streber R., Tränkenschuh B., Schöck J., Papp C., Steinrück H.-P., McEwen J.-S., Gaspard P., Denecke R.

Publisher: American Institute of Physics (AIP)

Book Volume: 131

Article Number: 064702

Journal Issue: 6

DOI: 10.1063/1.3190201

Abstract

We studied the interplay between Ag decoration of a stepped Pt(355) surface and CO adsorption by in situ high-resolution x-ray photoelectron spectroscopy. Varying amounts of Ag deposited at 300 K initially lead to a row-by-row growth starting from the lower Pt step edges. Such decoration of the step sites results in a change in the CO adsorption behavior. An apparent blocking of step sites for low CO coverages is attributed to a change in the electronic structure, resulting in a C 1s binding energy of CO at step sites being equal to that for CO at terrace on-top sites in the presence of Ag. Higher CO coverages induce the formation of embedded Ag clusters within the upper terraces, thus freeing up a part of the original Pt step sites for CO adsorption, as was derived by a comparison to density functional theory calculations in the corresponding surface models. © 2009 American Institute of Physics.

Authors with CRIS profile

Regine Streber Graduiertenzentrum der FAU Christian Papp Lehrstuhl für Physikalische Chemie II Hans-Peter Steinrück Lehrstuhl für Physikalische Chemie II

Additional Organisation(s)

Exzellenz-Cluster Engineering of Advanced Materials

Involved external institutions

Université libre de Bruxelles (ULB) / Free University of Brussels BE Belgium (BE) Universität Leipzig DE Germany (DE)

How to cite

APA:

Streber, R., Tränkenschuh, B., Schöck, J., Papp, C., Steinrück, H.-P., Mcewen, J.-S.,... Denecke, R. (2009). Interaction between silver nanowires and CO on a stepped platinum surface. Journal of Chemical Physics, 131(6). https://dx.doi.org/10.1063/1.3190201

MLA:

Streber, Regine, et al. "Interaction between silver nanowires and CO on a stepped platinum surface." Journal of Chemical Physics 131.6 (2009).

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