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Self-Organized Molecular Films with Long-Range Quasiperiodic Order

Abstract : Self-organized molecular films with long-range quasiperiodic order have been grown by using the complex potential energy landscape of quasicrystalline surfaces as templates. The long-range order arises from a specific subset of quasilattice sites acting as preferred adsorption sites for the molecules, thus enforcing a quasiperiodic structure in the film. These adsorption sites exhibit a local 5-fold symmetry resulting from the cut by the surface plane through the cluster units identified in the bulk solid. Symmetry matching between the C60 fullerene and the substrate leads to a preferred adsorption configuration of the molecules with a pentagonal face down, a feature unique to quasicrystalline surfaces, enabling efficient chemical bonding at the molecule–substrate interface. This finding offers opportunities to investigate the physical properties of model 2D quasiperiodic systems, as the molecules can be functionalized to yield architectures with tailor-made properties.
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Submitted on : Monday, October 20, 2014 - 10:55:44 AM
Last modification on : Monday, December 13, 2021 - 1:52:02 PM




Vincent Fournée, Émilie Gaudry, Julian Ledieu, Marie-Cécile De Weerd, Dongmei Wu, et al.. Self-Organized Molecular Films with Long-Range Quasiperiodic Order. ACS Nano, American Chemical Society, 2014, 8 (4), pp.3646-3653. ⟨10.1021/nn500234j⟩. ⟨hal-01075771⟩



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