Controlled condensation by liquid contact-induced adaptations of molecular conformations in self-assembled monolayers

Guoying Bai (), Haiyan Zhang, Dong Gao, Houguo Fei, Cunlan Guo, Mingxia Ren and Yufeng Liu
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Guoying Bai: Hebei University of Technology
Haiyan Zhang: Hebei University of Technology
Dong Gao: Hebei University of Technology
Houguo Fei: Wuhan University
Cunlan Guo: Wuhan University
Mingxia Ren: Hebei University of Technology
Yufeng Liu: Hebei University of Technology

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Surface condensation control strategies are crucial but commonly require relatively tedious, time-consuming, and expensive techniques for surface-chemical and topographical engineering. Here we report a strategy to alter surface condensation behavior without resorting to any molecule-type or topographical transmutations. After ultrafast contact of liquids with and removal from surfaces, the condensation rate and density of water droplets on the surfaces decrease, the extent of which is positively correlated with the polarity of the liquid and the duration of contact. The liquid contact-induced condensation rate/density decrease (LCICD) can be attributed to the decrease of nucleation site density resulted from the liquid contact-induced adaption of surface molecular conformation. Based on this, we find that LCICD is applicable to various surfaces, on condition that there are flexible segments capable of shielding at least part of nucleation sites through changing the conformation under liquid contact induction. Leveraging the LCICD effect, we achieve erasable information storage on diverse substrates. Furthermore, our strategy holds promise for controlling condensation of other substances since LCICD is not specific to the water condensation process.

Date: 2024
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DOI: 10.1038/s41467-024-47507-x

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