Scalable superhydrophobic flexible plasmonic poly(tetrafluoroethylene-co-perfluorovinyl ether) films via ion-beam irradiation and metal deposition

Jihoon Jeon, Songhwa Chae, Divij Bhatia, Choongyeop Lee, Youngsuk Nam, Hyungdae Kim, Dukhyun Choi

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In this study, we report a method to produce large-area superhydrophobic plasmonic poly(tetrafluoroethyleneco- perfluorovinyl ether) (PFA) films using room temperature and high-throughput processes, such as ion-beam irradiation and thermal evaporation. Ion-beam irradiation on large-area PFA films changes their surface wettability from hydrophobic to superhydrophobic, as nano-size pores are gradually formed on their surfaces according to the ion beam density. Following irradiation gold evaporation creates plasmonic characteristics on the nanoporous PFA films. Although gold films normally show hydrophilic properties (contact angle of ~80°), gold-coated nanoporous PFA films exhibit superhydrophobicity (contact angle of ~150°), thus resulting in a large-area flexible superhydrophobic plasmonic platform.

Original languageEnglish
Pages (from-to)319-323
Number of pages5
JournalMaterials Express
Volume7
Issue number4
DOIs
Publication statusPublished - Aug 2017

Keywords

  • Flexibility
  • Ion-beam irradiation
  • Plasmonics
  • Poly(tetrafluoroethylene-co-perfluorovinyl ether) (PFA)
  • Superhydrophobicity

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