Levitation-free vibrated droplets: resonant oscillations of liquid marbles

Langmuir : the ACS Journal of Surfaces and Colloids
G McHaleK Esmer

Abstract

A spherical conducting droplet in an alternating electric field is known to undergo shape oscillations. When the droplet is supported by a substrate, the shape is no longer a complete sphere, but shape resonances are still observed. To obtain a completely spherical droplet, some kind of levitation is needed, unless the droplet is in microgravity, and this has previously been provided by gas films or magnetic or other external forces. In this work, we report observations of shape oscillations of a hydrophobic-powder-coated droplet of water. A droplet of water rolled on a hydrophobic powder self-coats such that the water becomes encapsulated as a liquid marble. When the powder is a spherical hydrophobic grain with a contact angle greater than 90 degrees , it adheres to the solid-water interface with more than half of its diameter projecting from the liquid, thus ensuring the encapsulated water does not come into contact with any substrate. These liquid marbles are highly mobile and can be regarded as completely nonwetting droplets possessing contact angles of 180 degrees . In this work, we show that they also provide a new mechanism equivalent to levitating droplets and provide droplets with small contact areas and completely mob...Continue Reading

References

Jun 22, 2001·Nature·P Aussillous, D Quéré
Jul 17, 2004·Analytical and Bioanalytical Chemistry·Achim WixforthZ v Guttenberg
Jan 11, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·G McHaleM I Newton
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Jun 28, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Jung Min OhKwan Hyoung Kang

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Citations

Jun 3, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Syuji FujiiYoshinobu Nakamura
Jun 21, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·James S SharpJames Kelly
Aug 19, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Patricia M McGuigganMark O Robbins
Mar 5, 2014·Langmuir : the ACS Journal of Surfaces and Colloids·Kazuyuki UenoSyuji Fujii
Jan 11, 2014·Journal of Colloid and Interface Science·Edward BormashenkoDoron Aurbach
Aug 28, 2014·The European Physical Journal. E, Soft Matter·Young-Sub Shin, Hee-Chang Lim
Jul 4, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Ali HashmiJie Xu
Sep 12, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·S Mettu, M K Chaudhury
Nov 28, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·William Yeong Liang LingTuck Wah Ng
Oct 4, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Florian LapierreVincent Thomy
May 23, 2012·Colloids and Surfaces. B, Biointerfaces·Edward Bormashenko, Roman Grynyov
May 20, 2015·The Journal of Physical Chemistry. B·Hun Kim, Hee-Chang Lim
Jan 27, 2012·Advances in Colloid and Interface Science·H Yildirim Erbil
Aug 22, 2015·Soft Matter·Kazuyuki UenoSyuji Fujii
Apr 2, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Victoria C HarroldJames S Sharp
Jul 15, 2015·Journal of Colloid and Interface Science·Gene Whyman, Edward Bormashenko
Aug 23, 2011·Journal of Colloid and Interface Science·Michael A Nilsson, Jonathan P Rothstein
Apr 28, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Apratim Sanyal, Saptarshi Basu
Dec 20, 2016·ACS Applied Materials & Interfaces·Guoyou HuangFeng Xu
Mar 25, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Zhen ChenXingguo Geng
Jun 8, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Matilda BackholmRobin H A Ras
Nov 28, 2012·Advanced Healthcare Materials·Tina ArbatanWei Shen
Nov 8, 2018·Micromachines·Hal R HolmesKarl F Böhringer
Sep 21, 2017·Advances in Colloid and Interface Science·Hal R Holmes, Karl F Böhringer
Dec 9, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Romain RiobooJoël De Coninck
Jun 9, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Merve Dandan, H Yildirim Erbil
Jan 20, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Edward BormashenkoZahava Barkay
Mar 18, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Prosenjit Sen, Chang-Jin C J Kim
Jul 21, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Stephan Handschuh-WangXuechang Zhou
Feb 23, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Jeremy BlameyJames R Friend
Feb 2, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Alexandr JonášAlper Kiraz
Sep 14, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Tina Arbatan, Wei Shen
Sep 21, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Yan DongKarl F Böhringer
Mar 20, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Etienne Jambon-PuilletSuzie Protière

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