Mobility of Aqueous and Binary Mixture Drops on Lubricating Fluid-Coated Slippery Surfaces.

Clicks: 223
ID: 26331
2019
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Ranked #54 of 87 articles by views in Langmuir : the ACS journal of surfaces and colloids

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Abstract
The mobility of liquid drops on lubricant-infused slippery surfaces depends strongly on various system parameters, for example, surface energy and roughness of the underlying solid surface and surface tension and viscosity of the test and the lubricating fluids. Here, we investigate lubricant-coated slippery surfaces fabricated on smooth hydrophobic solid surfaces and examine the influence of thickness and viscosity of the lubricating oil on the velocity of aqueous drops. We also investigate the effect of surface tension of the test liquid using a binary mixture of water and ethanol, on the apparent contact angle, which further affects their slip velocity. A theoretical model, based on various dissipative forces acting in different regions of the lubricating oil and a test drop, is also presented, which elucidates the dependence of drop velocity on lubricating oil viscosity and base radius of drops of test liquids.
Reference Key
sharma2019mobilitylangmuir Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Sharma, Meenaxi;Roy, Pritam Kumar;Barman, Jitesh;Khare, Krishnacharya;
Journal Langmuir : the ACS journal of surfaces and colloids
Year 2019
DOI
10.1021/acs.langmuir.9b00483
URL
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