Surface Nanobubbles Are Stabilized by Hydrophobic Attraction

Physical Review Letters
Beng Hau TanClaus-Dieter Ohl

Abstract

The remarkably long lifetime of surface nanobubbles has perplexed researchers for two decades. The current understanding is that both contact line pinning and supersaturation of the ambient liquid are strictly required for the stability of nanobubbles, yet experiments show nanobubbles surviving in open systems and undersaturated environments. We find that this discrepancy can be addressed if the effects of an attractive hydrophobic potential at the solid substrate on the spatial distribution of the gas concentration is taken into account. We also show that, in our model, only substrate pinning is strictly required for stabilization; while hydrophobicity and supersaturation both aid stability, neither is mandatory-the absence of one can be compensated by an excess of the other.

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Citations

Apr 18, 2020·Physical Review Letters·Beng Hau TanClaus-Dieter Ohl
Apr 24, 2019·Physical Review Letters·Beng Hau TanClaus-Dieter Ohl
Jul 17, 2020·The Journal of Chemical Physics·Yawei LiuAsaph Widmer-Cooper
Jun 7, 2019·Lab on a Chip·Iago PereiroGovind V Kaigala
Jan 27, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Kyuichi YasuiWataru Kanematsu
Feb 18, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Tsu-Hsu YenYeng-Long Chen
Apr 13, 2021·Journal of Colloid and Interface Science·Mingbo LiChao Sun
Jun 24, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Shuo WangChunlei Wang
Jun 21, 2021·Ultrasonics Sonochemistry·Xiangning Bu, Muidh Alheshibri
Jul 22, 2021·Physical Chemistry Chemical Physics : PCCP·Shuo WangYongxiang Gao
Jun 6, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Hana Tarábková, Pavel Janda
Nov 9, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Dayong LiYuliang Wang
Mar 1, 2020·Journal of the American Chemical Society·Limin ZhouLijuan Zhang
Dec 19, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Jing QianMarie Jehannin
Nov 28, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Yi-Xian ChenTsu-Hsu Yen
Oct 2, 2021·Nature Communications·Suraj Borkar, Arun Ramachandran
Oct 28, 2021·Physical Chemistry Chemical Physics : PCCP·Sarthak NagMasamichi Kohno
May 23, 2020·Ultrasonics Sonochemistry·Weiguang ZhouKe Liu

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