Coarse-grained interaction of a fluid with a physically-patterned solid surface: Application to nanodroplet wetting

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Abstract

We derive coarse-grained potentials to describe the interaction of a physically adsorbed, fluid-phase atom with a solid surface that is patterned with an array of rectangular or cylindrical pillars. The coarse-grained potentials are used in molecular dynamics simulations to probe the wetting of a Lennard-Jones liquid droplet on various patterned solid surfaces. Our results, which indicate that surface patterning can significantly influence wetting, are in agreement with previous studies.

Original languageEnglish (US)
Pages (from-to)277-295
Number of pages19
JournalJournal of Low Temperature Physics
Volume157
Issue number3-4
DOIs
StatePublished - Oct 12 2009

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solid surfaces
wetting
Wetting
Fluids
fluids
interactions
molecular dynamics
Molecular dynamics
probes
liquids
atoms
Atoms
simulation
Computer simulation
Liquids

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

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abstract = "We derive coarse-grained potentials to describe the interaction of a physically adsorbed, fluid-phase atom with a solid surface that is patterned with an array of rectangular or cylindrical pillars. The coarse-grained potentials are used in molecular dynamics simulations to probe the wetting of a Lennard-Jones liquid droplet on various patterned solid surfaces. Our results, which indicate that surface patterning can significantly influence wetting, are in agreement with previous studies.",
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AU - Wu, Hongfei

AU - Borhan, Ali

AU - Fichthorn, Kristen Ann

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AB - We derive coarse-grained potentials to describe the interaction of a physically adsorbed, fluid-phase atom with a solid surface that is patterned with an array of rectangular or cylindrical pillars. The coarse-grained potentials are used in molecular dynamics simulations to probe the wetting of a Lennard-Jones liquid droplet on various patterned solid surfaces. Our results, which indicate that surface patterning can significantly influence wetting, are in agreement with previous studies.

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