Plasma treatment of silicone oil- infused surfaces switches impact of water droplets from bouncing to tanner-like spreading

Victor Multanen; Gene Whyman; Evgeny Shulzinger; Viktor Valtsifer; Edward Bormashenko

doi:10.1016/j.colsurfa.2017.10.084

Plasma treatment of silicone oil- infused surfaces switches impact of water droplets from bouncing to tanner-like spreading

Victor Multanen, Gene Whyman, Evgeny Shulzinger, Viktor Valtsifer, Edward Bormashenko

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Bouncing of water droplets on cold-plasma-treated and non-treated silicone-oil-infused microporous surfaces is reported. Cold plasma treatment of oil-infused surfaces switches the quasi-elastic bouncing to a two-stage spreading. At the first stage, spreading was governed by the square-root time dependence of the contact radius; whereas at the final stage, the kinetics of spreading conformed with the Tanner-like law. Water droplets placed on the pristine silicone-oil infused surfaces are eventually coated with the silicone oil; in contrast water droplets spread on the plasma-treated oil remained uncoated, due to the increase of the specific energy of the silicon oil induced by the plasma treatment. The semi-qualitative analysis of bouncing is introduced.

Original language	English
Pages (from-to)	133-139
Number of pages	7
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	538
DOIs	https://doi.org/10.1016/j.colsurfa.2017.10.084
State	Published - 5 Feb 2018

Keywords

Bouncing
Cold plasma
Oil-infused surface
Silicone oil
Tanner-like spreading
Water droplets

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10.1016/j.colsurfa.2017.10.084

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title = "Plasma treatment of silicone oil- infused surfaces switches impact of water droplets from bouncing to tanner-like spreading",

abstract = "Bouncing of water droplets on cold-plasma-treated and non-treated silicone-oil-infused microporous surfaces is reported. Cold plasma treatment of oil-infused surfaces switches the quasi-elastic bouncing to a two-stage spreading. At the first stage, spreading was governed by the square-root time dependence of the contact radius; whereas at the final stage, the kinetics of spreading conformed with the Tanner-like law. Water droplets placed on the pristine silicone-oil infused surfaces are eventually coated with the silicone oil; in contrast water droplets spread on the plasma-treated oil remained uncoated, due to the increase of the specific energy of the silicon oil induced by the plasma treatment. The semi-qualitative analysis of bouncing is introduced.",

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AU - Whyman, Gene

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AU - Valtsifer, Viktor

AU - Bormashenko, Edward

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AB - Bouncing of water droplets on cold-plasma-treated and non-treated silicone-oil-infused microporous surfaces is reported. Cold plasma treatment of oil-infused surfaces switches the quasi-elastic bouncing to a two-stage spreading. At the first stage, spreading was governed by the square-root time dependence of the contact radius; whereas at the final stage, the kinetics of spreading conformed with the Tanner-like law. Water droplets placed on the pristine silicone-oil infused surfaces are eventually coated with the silicone oil; in contrast water droplets spread on the plasma-treated oil remained uncoated, due to the increase of the specific energy of the silicon oil induced by the plasma treatment. The semi-qualitative analysis of bouncing is introduced.

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KW - Silicone oil

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ER -

Plasma treatment of silicone oil- infused surfaces switches impact of water droplets from bouncing to tanner-like spreading

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Keywords

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