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Authors
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Müller, M. ; MacDowell, L.G. ; Müller-Buschbaum, P. ; Wunnicke, O. ; Stamm, M.
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Title
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Nano-dewetting: Interplay between van der Waals- and short-ranged interactions
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Date
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27.11.2001
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Number
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10238
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Abstract
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The wetting behavior of a polymer liquid on a coated substrate is investigated via numerical self-consistent field calculations and experiments. The polymer does not wet the coated substrate, but the substrate might stabilize a mesoscopic film. Experiments observe a stable mesoscopic film of nanometer thickness in coexistence with macroscopic drops at high temperatures. Upon cooling, this mesoscopic polymer film breaks up into droplets (nano-dewetting). Our self-consistent field calculations suggest that the stability of the mesoscopic film is determined by a subtle interplay between van der Waals forces and short-ranged forces due to the distortion of the profile in the vicinity of the substrate. ©2001 American Institute of Physics.
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Publisher
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Journal of Chemical Physics
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Wikidata
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Citation
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Journal of Chemical Physics 115 (2001) 9960-9969
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DOI
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https://doi.org/10.1063/1.1413985
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Tags
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wetting drops cooling van der waals forces scf calculations polymer melts polymer solutions mesoscopic systems polymer films thin polymer-films thermodynamic perturbation-theory liquid-films neutron-scattering simulations molecules substrate alkanes ruptu
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