Small Levitating Ordered Droplet Clusters: Stability, Symmetry, and Voronoi Entropy

The Journal of Physical Chemistry Letters
Alexander A FedoretsMichael Nosonovsky

Abstract

A method to generate levitating monodisperse microdroplet clusters with an arbitrary number of identical droplets is presented. Clusters with 1-28 droplets levitate over a locally heated water layer in an ascending vapor-air jet. Due to the attraction to the center of the heated area combined with aerodynamic repulsion between the droplets, the clusters form structures that are quite diverse and different from densest packing of hard spheres. The clusters self-organize into stable and reproducible configurations dependent on the number of droplets while independent of the droplets' size. The central parts of larger clusters reproduce the shape of smaller clusters. The ability to synthesize stable clusters with a given number of droplets is important for tracing droplets, which is crucial for potential applications such as microreactors and for chemical analysis of small volumes of liquid.

References

Jan 6, 2006·The Journal of Chemical Physics·V Senthil Kumar, V Kumaran
Feb 10, 2007·Science·Irving R Epstein
May 17, 2017·Scientific Reports·Alexander A FedoretsMichael Nosonovsky

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Citations

Jun 11, 2019·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Alexander A FedoretsMichael Nosonovsky
May 21, 2020·Physical Chemistry Chemical Physics : PCCP·Alexander A FedoretsMichael Nosonovsky
May 20, 2020·Physical Review. E·Khushboo PandeySaptarshi Basu
Feb 6, 2020·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Edward BormashenkoMichael Nosonovsky
Apr 30, 2019·Entropy·Edward BormashenkoMark Frenkel
Dec 11, 2018·Entropy·Edward BormashenkoMichael Nosonovsky
Dec 9, 2020·Entropy·Michael Nosonovsky, Prosun Roy
Dec 9, 2020·Entropy·Edward Bormashenko
Jun 28, 2018·The Journal of Physical Chemistry Letters·Nurken E AktaevMichael Nosonovsky
Feb 14, 2019·The Journal of Physical Chemistry Letters·Long JiaoHao Feng
Sep 3, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Alexander A FedoretsMichael Nosonovsky
Nov 20, 2021·Analytical Chemistry·Haonan LiQiang Liao

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