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Updated: Aug 29, 2025
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Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
Published on: May 15, 2017
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Wetting dynamics under periodic switching on different scales: characterization and mechanisms
Leon Topp1, Moritz Stieneker2,3, Svetlana V Gurevich2,3,4
1University of Münster, Institute for Physical Chemistry, Correnstr. 28/30, 48149 Münster, Germany. andheuer@uni-muenster.de.
Soft Matter
|September 7, 2022
Summary
Researchers studied droplet behavior on switchable wettability surfaces across various switching frequencies. Findings from molecular dynamics and thin-film models align, offering insights into surface wetting mechanisms.
Area of Science:
- Materials Science
- Surface Chemistry
- Computational Physics
Background:
- Substrates with switchable wettability are advancing.
- Understanding droplet behavior on these dynamic surfaces is crucial.
Purpose of the Study:
- Investigate droplet dynamics on a homogeneous substrate with switchable wettability.
- Analyze the influence of switching frequencies on wetting behavior.
Main Methods:
- Molecular dynamics simulations for particle-level analysis.
- Thin-film model for continuum-level analysis.
- Comparison with molecular theory of wetting (MKT) predictions.
Main Results:
- Consistent results between particle-level and continuum-level simulations.
- Agreement between simulation predictions and MKT-based analytical calculations.
- Demonstrated dependence of wetting behavior on switching frequency.
Conclusions:
- Molecular dynamics and thin-film models provide consistent insights into switchable wettability.
- MKT offers valuable understanding of the underlying mechanisms governing droplet behavior on dynamic surfaces.
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