Increased porosity turns desorption to adsorption for gas bubbles near water- SiO2 interface

M. Boström, M. Dou, P. Thiyam, D. F. Parsons, O. I. Malyi, C. Persson

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    We consider theoretically the retarded van der Waals interaction of a small gas bubble in water with a porous SiO2 surface. We predict a possible transition from repulsion to attraction as the surface is made more porous. It highlights that bubbles will interact differently with surface regions with different porosity (i.e., with different optical properties).

    Original languageEnglish
    Article number075403
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume91
    Issue number7
    DOIs
    Publication statusPublished - 2 Feb 2015

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