Bimetallic Pd-Pt alloy nanocluster arrays on graphene/Rh(111): formation, stability, and dynamics

Düll F, Bauer U, Späth F, Bachmann P, Steinhauer J, Steinrück HP, Papp C (2018)


Publication Status: Published

Publication Type: Journal article

Publication year: 2018

Journal

Publisher: ROYAL SOC CHEMISTRY

Book Volume: 20

Pages Range: 21294-21301

Journal Issue: 33

DOI: 10.1039/c8cp03749c

Abstract

Alloy catalysts have, in many cases, superior properties compared to their single metal counterparts. To gain deeper insights, we used graphene-supported bimetallic nanocluster arrays as a model system. We investigated the site occupation and the dynamic behavior of the metal distribution during adsorption and thermal treatment of CO layers on PdPt alloy nanocluster arrays supported on the graphene/Rh(111) Moire. We find that the adsorption of CO combined with heating to 550 K leads to a rearrangement of the surface atoms, resulting in all the edge sites of the nanoclusters being occupied by Pd atoms. At the same time, Pt gets enriched at the surface.

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How to cite

APA:

Düll, F., Bauer, U., Späth, F., Bachmann, P., Steinhauer, J., Steinrück, H.-P., & Papp, C. (2018). Bimetallic Pd-Pt alloy nanocluster arrays on graphene/Rh(111): formation, stability, and dynamics. Physical Chemistry Chemical Physics, 20(33), 21294-21301. https://dx.doi.org/10.1039/c8cp03749c

MLA:

Düll, Fabian, et al. "Bimetallic Pd-Pt alloy nanocluster arrays on graphene/Rh(111): formation, stability, and dynamics." Physical Chemistry Chemical Physics 20.33 (2018): 21294-21301.

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