Controlling condensation and frost growth with chemical micropatterns

Scientific Reports
Jonathan B BoreykoC Patrick Collier

Abstract

In-plane frost growth on chilled hydrophobic surfaces is an inter-droplet phenomenon, where frozen droplets harvest water from neighboring supercooled liquid droplets to grow ice bridges that propagate across the surface in a chain reaction. To date, no surface has been able to passively prevent the in-plane growth of ice bridges across the population of supercooled condensate. Here, we demonstrate that when the separation between adjacent nucleation sites for supercooled condensate is properly controlled with chemical micropatterns prior to freezing, inter-droplet ice bridging can be slowed and even halted entirely. Since the edge-to-edge separation between adjacent supercooled droplets decreases with growth time, deliberately triggering an early freezing event to minimize the size of nascent condensation was also necessary. These findings reveal that inter-droplet frost growth can be passively suppressed by designing surfaces to spatially control nucleation sites and by temporally controlling the onset of freezing events.

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Citations

Jul 28, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Saurabh Nath, Jonathan B Boreyko
May 12, 2017·Langmuir : the ACS Journal of Surfaces and Colloids·Nikolaj Kofoed Mandsberg, Rafael Taboryski
Jun 28, 2017·ACS Applied Materials & Interfaces·Kevin R MurphyJonathan B Boreyko
Jan 31, 2019·Advanced Materials·Jing LiZuankai Wang
Oct 27, 2017·Proceedings of the National Academy of Sciences of the United States of America·Jie LiuJianjun Wang
Dec 13, 2019·Soft Matter·Saurabh NathJonathan B Boreyko
Jul 13, 2017·Angewandte Chemie·Yuankai JinJianjun Wang
Mar 16, 2018·Physical Review Letters·Youmin HouShuhuai Yao
Mar 11, 2017·Physical Review Letters·Sander WildemanDetlef Lohse
Aug 14, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Yuemeng YangShutao Wang
Apr 20, 2020·Advances in Colloid and Interface Science·Amir Azimi YancheshmeReza Jafari Aminabadi
Apr 9, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Sunghwan Jung
May 13, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Jing SunZuankai Wang
Jul 13, 2018·ACS Nano·Christopher WalkerDimos Poulikakos
Sep 12, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Qian GuoJianjun Wang
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Sep 18, 2018·ACS Applied Materials & Interfaces·S Farzad AhmadiJonathan B Boreyko
Feb 19, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Pranav ShuklaJonathan B Boreyko
Sep 2, 2021·ACS Applied Materials & Interfaces·Longnan LiNenad Miljkovic

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