Complex droplets on chemically modified silicon nanograss

Ville Jokinen, Lauri Sainiemi, Sami Franssila*

*Corresponding author for this work

    Research output: Contribution to journalArticleScientificpeer-review

    120 Citations (Scopus)

    Abstract

    Dropping in. Chemically modified silicon nanograss combines nanoscale topography with lithographically defined chemical patterns. The material exhibits a high wettability gradient that allows tailoring of complex droplet shapes. The oxidized nanograss is completely wetting, while the polymer-coated nanograss has a contact angle of ca. 170 degrees and is ultrahydrophobic. Novel droplet behavior on these surfaces is studied experimentally.

    Original languageEnglish
    Pages (from-to)3453–3456
    Number of pages5
    JournalAdvanced Materials
    Volume20
    Issue number18
    DOIs
    Publication statusPublished - 17 Sep 2008
    MoE publication typeA1 Journal article-refereed

    Keywords

    • SURFACES
    • WETTABILITY

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