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Self-Pinning on a Liquid Surface
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    Self-Pinning on a Liquid Surface
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    Laboratoire de Physique Théorique de la Matière Condensée, Université Pierre et Marie Curie, 4 place Jussieu, 75005 Paris, France
    Laboratoire des Interactions Moléculaires et de la Réactivité Chimique et Photochimique, Université Paul Sabatier de Toulouse, 118 route de Narbonne, 31062 Toulouse Cedex 9, France
    § Technische Universität Dresden, Institute of Fluid Mechanics, D-01062 Dresden, Germany
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    The Journal of Physical Chemistry Letters

    Cite this: J. Phys. Chem. Lett. 2016, 7, 3, 520–524
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    https://doi.org/10.1021/acs.jpclett.5b02724
    Published January 20, 2016
    Copyright © 2016 American Chemical Society

    Abstract

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    We report on the first experimental evidence of a self-pinning liquid drop on a liquid surface. This particular regime is observed for a miscible heavier oil drop (dichloromethane) deposited on an aqueous solution laden by an ionic surfactant (hexadecyltrimethylammonium bromide). Experimental characterization of the drop shape evolution coupled to particle image velocimetry points to the correlation between the drop profile and the accompanying flow field. A simple model shows that the observed pinned stage is the result of a subtle competition between oil dissolution and surfactant adsorption.

    Copyright © 2016 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.jpclett.5b02724.

    • Further information about the experimental conditions, the confinement effect on the film surrounding the droplet, the role of evaporation, the time and volume dependence of the effective boundary layer lB, and some other minor aspects of the modeling.(ZIP)

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    Cited By

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    This article is cited by 5 publications.

    1. Dolachai Boniface, Julien Sebilleau, Jacques Magnaudet, Véronique Pimienta. Spontaneous spinning of a dichloromethane drop on an aqueous surfactant solution. Journal of Colloid and Interface Science 2022, 625 , 990-1001. https://doi.org/10.1016/j.jcis.2022.05.154
    2. Hiroyuki Kitahata, Yuki Koyano, Richard J.G. Löffler, Jerzy Górecki. Complexity and bifurcations in the motion of a self-propelled rectangle confined in a circular water chamber. Physical Chemistry Chemical Physics 2022, 24 (34) , 20326-20335. https://doi.org/10.1039/D2CP02456J
    3. Florian Wodlei, Mihnea R. Hristea, Giuseppe Alberti. Periodic Motion in the Chaotic Phase of an Unstirred Ferroin-Catalyzed Belousov Zhabotinsky Reaction. Frontiers in Chemistry 2022, 10 https://doi.org/10.3389/fchem.2022.881691
    4. Mei-Chien Lu. Enhanced Sintered Silver for SiC Wide Bandgap Power Electronics Integrated Package Module. Journal of Electronic Packaging 2019, 141 (3) https://doi.org/10.1115/1.4042984
    5. Yu-Hsuan Weng, Cyuan-Jhang Wu, Heng-Kwong Tsao, Yu-Jane Sheng. Spreading dynamics of a precursor film of nanodrops on total wetting surfaces. Phys. Chem. Chem. Phys. 2017, 19 (40) , 27786-27794. https://doi.org/10.1039/C7CP04979J

    The Journal of Physical Chemistry Letters

    Cite this: J. Phys. Chem. Lett. 2016, 7, 3, 520–524
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.jpclett.5b02724
    Published January 20, 2016
    Copyright © 2016 American Chemical Society

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