Deposition of hydroxyl functionalized films by means of ethylene aerosol-assisted atmospheric pressure plasma

Yi Wei Yang, Giuseppe Camporeale, Eloisa Sardella, Giorgio Dilecce, Jong-Shinn Wu, Fabio Palumbo, Pietro Favia*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The atmospheric pressure plasma deposition of hydroxyl functionalized hydrocarbon films is reported in this work, with a reactor fed with water aerosol and ethylene. The effects of power and feed flow rates onto film chemistry have been investigated. Coatings produced with this approach can find application in the biomedical field, among others, as platforms for cell adhesion and proliferation. Results show that operating at 4 kHz provides a much higher amount of hydroxyl group in the coating compared with samples obtained at 11 kHz. After water immersion, the stability of the films and their amount of hydroxyl groups remain high. A simplified deposition mechanism is proposed.

Original languageEnglish
Pages (from-to)1102-1111
Number of pages10
JournalPlasma Processes and Polymers
Volume11
Issue number11
DOIs
StatePublished - 1 Nov 2014

Keywords

  • Aerosol-assisted deposition
  • DBD
  • Hydroxyl groups
  • Plasma polymerization

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