Capillary origami and superhydrophobic membrane surfaces

Geraldi, Nicasio, Ouali, Fouzia, Morris, Robert, McHale, Glen and Newton, Michael (2013) Capillary origami and superhydrophobic membrane surfaces. Applied Physics Letters, 102 (21). p. 214104. ISSN 0003-6951

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Capillary origami uses surface tension to fold and shape solid films and membranes into three-dimensional structures. It uses the fact that solid surfaces, no matter how hydrophobic, will tend to adhere to and wrap around the surface of a liquid. In this work, we report that a superhydrophobic coating can be created, which can completely suppress wrapping as a contacting water droplet evaporates. We also show that using a wetting azeotropic solution of allyl alcohol, which penetrates the surface features, can enhance liquid adhesion and create more powerful Capillary Origami. These findings create the possibility of selectively shaping membrane substrates.

Item Type: Article
Uncontrolled Keywords: capillary origami, elastocapillary, superhydrophobic, membrane
Subjects: F100 Chemistry
F200 Materials Science
F300 Physics
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
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Depositing User: Glen McHale
Date Deposited: 02 Jan 2014 11:28
Last Modified: 17 Dec 2023 14:50

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