Highly hydrophobic hierarchical nanomicro roughness polymer surface created by stamping and laser micromachining

ABSTRACT This article describes the design and fabrication of hierarchical nanomicrostructured polymer surfaces with high hydrophobicity. The nanoscale roughness is achieved by stamping a ZnO nanowire film into PDMS. Subsequently, microstructures with different periodicities are created in the stamp...

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Bibliographic Details
Published in:Journal of applied polymer science 2015-06, Vol.132 (24), p.np-n/a
Main Authors: Cardoso, Marcos R., Martins, Renato J., Dev, Apurba, Voss, Tobias, Mendonca, Cleber R.
Format: Article
Language:English
Subjects:
Contact
Direct laser writing
Hydrophobicity
Lasers
Materials science
Micromachining
morphology
Nanostructure
nanostructured polymers
Polymers
Roughness
Silicone resins
Stamping
surfaces and interfaces
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Summary:ABSTRACT This article describes the design and fabrication of hierarchical nanomicrostructured polymer surfaces with high hydrophobicity. The nanoscale roughness is achieved by stamping a ZnO nanowire film into PDMS. Subsequently, microstructures with different periodicities are created in the stamped PDMS sample by direct laser writing using femtosecond pulses. With this approach, we were able to produce hierarchical surface morphologies, composed of nano and microscale structures that exhibit water contact angles larger than 160°. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42082.
ISSN:0021-8995
1097-4628
1097-4628
DOI:10.1002/app.42082