4.5 Article

Nanofibrillar Patterns on PET: The Influence of Plasma Parameters in Surface Morphology

Journal

PLASMA PROCESSES AND POLYMERS
Volume 8, Issue 9, Pages 876-884

Publisher

WILEY-BLACKWELL
DOI: 10.1002/ppap.201000164

Keywords

plasma etching; poly(ethylene terephthalate) (PET); reactive-ion etching (RIE); surface modification; water contacangle (WCA)

Funding

  1. Alexander von Humboldt Foundation
  2. BMBF

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This manuscript studies the formation of nanopatterns onto PET films under different experimental conditions. Homogeneous patterns with randomly distributed bumps or nano-fibrils were observed depending on the plasma parameters. The influence of the power, oxygen pressure and electrode charge in the etching rate and final nanotopography is studied and discussed. The superhydrophobic properties of the nanostructured films are analysed.

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