All Dry Bottom-Up Assembly of Omniphobic Interfaces

Mahdi Mohammadi Ghaleni, Shayan Kaviani, Kimya Rajwade, Mona Bavarian, François Perreault, Siamak Nejati

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Creating reentrant structures on flexible and porous substrates is a significant challenge for the scalable fabrication of omniphobic membranes. The design of such membranes requires control over the surface topography and chemistry of the interfacial domains. Here, a continuous bottom-up method, based on initiated chemical vapor deposition, is developed to enable the fabrication of flexible omniphobic membranes. The developed membranes hinder the intrusion of droplets of low surface energy liquids (e.g., ethanol) colliding with the surface at a velocity of about 2 m s−1. The stable wetting resistance of the membranes allows for the desalination of low surface energy synthetic and municipal wastewater streams.

Original languageEnglish (US)
Article number1902159
JournalAdvanced Materials Interfaces
Issue number12
StatePublished - Jun 1 2020


  • bottom-up assembly
  • interface design
  • omniphobic
  • reentrant structure
  • wettability

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering


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