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    Achieving a slippery, liquid-infused porous surface with anti-icing properties by direct deposition of flame synthesized aerosol nanoparticles on a thermally fragile substrate

    Year: 2017

    Journal: Appl. Phys. Lett., Volume 110, APR 17

    Authors: Juuti, Paxton; Haapanen, Janne; Stenroos, Christian; Niemela-Anttonen, Henna; Harra, Juha; Koivuluoto, Heli; Teisala, Hannu; Lahti, Johanna; Tuominen, Mikko; Kuusipalo, Jurkka; Vuoristo, Petri; Makela, Jyrki M.

    Organizations: Finnish Funding Agency for Technology and Innovation (Tekes) [40365/14]; Walter Ahlstrom foundation

    Slippery, liquid-infused porous surfaces offer a promising route for producing omniphobic and anti-icing surfaces. Typically, these surfaces are made as a coating with expensive and time consuming assembly methods or with fluorinated films and oils. We report on a route for producing liquid-infused surfaces, which utilizes a liquid precursor fed oxygen-hydrogen flame to produce titania nanoparticles deposited directly on a low-density polyethylene film. This porous nanocoating, with thickness of several hundreds of nanometers, is then filled with silicone oil. The produced surfaces are shown to exhibit excellent anti-icing properties, with an ice adhesion strength of similar to 12 kPa, which is an order of magnitude improvement when compared to the plain polyethylene film. The surface was also capable of maintaining this property even after cyclic icing testing. Published by AIP Publishing.
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