Dresden 2026 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 17: Poster I
CPP 17.51: Poster
Montag, 9. März 2026, 19:00–21:00, P5
Statics and dynamics of drops on liquid infused surfaces — Hossein Abdolnezhad1, •Martin Brinkmann2, Ralf Seemann2, and Ciro Semprebon1 — 1Department of Mathematics, Physics and Electrical Engineering, Northumbria University, Newcastle, UK — 2Zentrum für Biophysik, Universität des Saarlandes, Saarbrücken, Germany
Slippery liquid-infused porous surfaces (SLIPS), inspired by the slippery properties of the Nepenthes pitcher plant, have been introduced to increase the mobility of wetting drops by minimizing the liquid-solid contact. Preparation of these surfaces involves infusing a lubricating liquid into a porous or textured surface, creating a thin liquid layer on top of the surface resulting in high drop mobility as well as unique properties such as anti-corrosion, self-cleaning, heat transfer enhancing, anti-fouling and anti-icing, water harvesting properties with a broad potential for application in industry.
The complex relationship between lubricant properties and retention mechanisms in liquid-infused surface, particularly the role of the lubrication ridge forming around the drop causing depletion of the lubricant over time brings up the questions of whether the lubricant ridge can be effectively controlled as well as whether there is an optimal size in relation to the volume of the drop sliding over liquid-infused surface. Recent experiments elucidate the role of the lubricant ridge in the dynamics of drops on liquid-infused surfaces, and led to the development of a theoretical understanding of the experimental observations combining finite-element and analytical modeling approaches.
Keywords: Slippery liquid infused surfaces; Wetting ridge; Interfacial flow