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Micropatterning of superhydrophobic silicone nanofilaments by a near-ultraviolet Nd:YAG laser

Stojanovic, Ana ; Artus, Georg ; Seeger, Stefan

In: Nano Research, 2010, vol. 3, no. 12, p. 889-894

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    Titre
    • Micropatterning of superhydrophobic silicone nanofilaments by a near-ultraviolet Nd:YAG laser
    Auteur
    • Stojanovic, Ana. Institute of Physical Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Z ürich, Switzerland
    • Artus, Georg. Institute of Physical Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Z ürich, Switzerland
    • Seeger, Stefan. Institute of Physical Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Z ürich, Switzerland
    Type de document
    • Postprint
    Identifiant OAI-PMH
    • oai:doc.rero.ch:317827
    Summary
    We demonstrate that a recently developed coating composed of superhydrophobic silicone nanofilaments can be selectively functionalized to yield well defined micron-scale patterns of contrasting wettabilities (superhydrophobic/hydrophilic and amphiphobic/amphiphilic). Nanofilament ablation was performed using a near-ultraviolet (UV) laser with a wavelength of 355 nm and a repetition rate of 10 kHz. This is a highly promising approach for open channel microfluidics and microarray analysis due to its simplicity, the chemical and environmental stability of the coating, and the low cost