The van der Waals Interactions of n-Alkanethiol-Covered Surfaces: From Planar 
to Curved Surfaces

Cometto, F.; Luo, Z.; Zhao, S.; Olmos-Asar, J.; Mariscal, M.; Ong, Q.; Kern, K.; Stellacci, F.; Lingenfelder, M.

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The van der Waals Interactions of n-Alkanethiol-Covered Surfaces: From Planar to Curved Surfaces

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Kern, K.
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Lingenfelder, M.
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Cometto, F., Luo, Z., Zhao, S., Olmos-Asar, J., Mariscal, M., Ong, Q., et al. (2017). The van der Waals Interactions of n-Alkanethiol-Covered Surfaces: From Planar to Curved Surfaces. Angewandte Chemie International Edition, 56(52), 16526-16530.

Cite as: https://hdl.handle.net/21.11116/0000-000E-D0C8-5

Abstract

The van der Waals (vdW) interactions of n-alkanethiols (ATs) adsorbed on planar Au(111) and Au(100) surfaces and curved Au nanoparticles of different diameters are reported. By means of electrochemical measurements and molecular dynamic calculations, the increase in the average geometrical curvature of the surface influences the global interactions, that is, decreasing vdW interactions between neighboring molecules. Small NPs do not present the same electrochemical behavior as planar surfaces. The transition between nanoparticle to flat surface electrochemical response is estimated to occur at a circa 13-20 nm diameter range.