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Title

Hierarchical surfaces for enhanced self-cleaning applications

AuthorsFernández, Ariadna; Francone, Achille; Sotomayor Torres, C. M. ; Kehagias, N.
KeywordsSuperhydrophobicity
Hierarchical surface
Nanoimprint
Issue Date2017
PublisherInstitute of Physics Publishing
CitationJournal of Micromechanics and Microengineering 27(4): 045020(2017)
AbstractIn this study we present a flexible and adaptable fabrication method to create complex hierarchical structures over inherently hydrophobic resist materials. We have tested these surfaces for their superhydrophobic behaviour and successfully verified their self-cleaning properties. The followed approach allow us to design and produce superhydrophobic surfaces in a reproducible manner. We have analysed different combination of hierarchical micro-nanostructures for their application to self-cleaning surfaces. A static contact angle value of 170 with a hysteresis of 4 was achieved without the need of any additional chemical treatment on the fabricated hierarchical structures. Dynamic effects were analysed on these surfaces, obtaining a remarkable self-cleaning effect as well as a good robustness over impacting droplets.
Descriptionet al.
URIhttp://hdl.handle.net/10261/160130
Identifiersdoi: 10.1088/1361-6439/aa62bb
e-issn: 1361-6439
issn: 0960-1317
Appears in Collections:(CIN2) Artículos
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