ArticleProceedings of the National Academy of Sciences of the United States of America2021
Periodic bouncing of a plasmonic bubble in a binary liquid by competing solutal and thermal Marangoni forces.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 41 citations in OpenAlex.
- Thermal-solutal-induced bistability of evaporating multicomponent liquid thin films.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- A hovering bubble with a spontaneous horizontal oscillation.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Solutal Marangoni effect determines bubble dynamics during electrocatalytic hydrogen evolution.Nature chemistry · 2023Article
- Near-infrared-laser-navigated dancing bubble within water via a thermally conductive interface.Nature communications · 2022Article
- Transition in the growth mode of plasmonic bubbles in binary liquids.Soft matter · 2022Article
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8 authors at 4 institutions in 3 countries.
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Abstract
The physicochemical hydrodynamics of bubbles and droplets out of equilibrium, in particular with phase transitions, display surprisingly rich and often counterintuitive phenomena. Here we experimentally and theoretically study the nucleation and early evolution of plasmonic bubbles in a binary liquid consisting of water and ethanol. Remarkably, the submillimeter plasmonic bubble is found to be periodically attracted to and repelled from the nanoparticle-decorated substrate, with frequencies of around a few kilohertz. We identify the competition between solutal and thermal Marangoni forces as the origin of the periodic bouncing. The former arises due to the selective vaporization of ethanol at the substrate's side of the bubble, leading to a solutal Marangoni flow toward the hot substrate, which pushes the bubble away. The latter arises due to the temperature gradient across the bubble, leading to a thermal Marangoni flow away from the substrate, which sucks the bubble toward it. We study the dependence of the frequency of the bouncing phenomenon from the control parameters of the system, namely the ethanol fraction and the laser power for the plasmonic heating. Our findings can be generalized to boiling and electrolytically or catalytically generated bubbles in multicomponent liquids.
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