Young-Lippmann equation revisited for nano-suspensions

Daniel Orejon, Khellil Sefiane, Martin E.R. Shanahan

    研究成果: Contribution to journalArticle査読

    19 被引用数 (Scopus)

    抄録

    We present the results of an experimental study investigating electrowetting effects in nano-suspension drops. Wetting of sessile drops of titanium oxide (TiO2) nano-particles dispersed in deionised water was studied under a DC voltage potential. The presence of nano-particles is found to further enhance spreading of drops when a DC potential is applied. Results are explained based on the change in interfacial energy induced by nano-particle adsorption at the solid-liquid interface. An amendment of the Young-Lippmann equation accounting for the presence of nano-particles is proposed. The electrowetting expression proposed is validated against the experimental data for substrates with various dielectric thicknesses.

    本文言語英語
    論文番号201601
    ジャーナルApplied Physics Letters
    102
    20
    DOI
    出版ステータス出版済み - 5 20 2013

    All Science Journal Classification (ASJC) codes

    • 物理学および天文学(その他)

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