Spontaneous formation of size-selected bimetallic nanoparticle arrays |
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| Authors: | Laurent Bardotti Florent Tournus Michel Pellarin Michel Broyer Patrice Mélinon Véronique Dupuis |
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| Institution: | 1. Université de Lyon, LPMCN, UMR 5586 CNRS and Univ. Lyon 1, F69622 Villeurbanne Cedex, France;2. Université de Lyon, LASIM, UMR 5579 CNRS and Univ. Lyon 1, F69622 Villeurbanne Cedex, France |
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| Abstract: | 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 (~ 1 nm). |
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