Journal
SURFACE SCIENCE
Volume 606, Issue 1-2, Pages 110-114Publisher
ELSEVIER
DOI: 10.1016/j.susc.2011.09.010
Keywords
Self-assembly; Surface chemical reaction; Clusters; Graphite; Surface diffusion
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An original physical route is proposed to organize size-selected bimetallic nanoparticles on graphite surfaces. This approach is based on the soft landing of preformed clusters and is demonstrated for bimetallic AuxPt1-x clusters of different compositions. Particle coalescence is avoided thanks to cluster surface reactivity, leading to a self-assembly with a well-defined inter-particle separation (similar to 1 nm). (C) 2011 Elsevier B.V. All rights reserved.
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