Self-assembled, hierarchical structured surfaces for applications in (super)hydrophobic antiviral coatings

Frances Dawson, Wen Yew, Bethany Orme, Christopher Markwell, Rodrigo Ledesma Aguilar, Justin Perry, Ian Shortman, Darren Smith, Hamdi Torun, Gary Wells, Matthew Unthank*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

A versatile method for the creation of multitier hierarchical structured surfaces is reported, which optimizes both antiviral and hydrophobic (easy-clean) properties. The methodology exploits the availability of surface-active chemical groups while also manipulating both the surface micro- and nanostructure to control the way the surface coating interacts with virus particles within a liquid droplet. This methodology has significant advantages over single-tier structured surfaces, including the ability to overcome the droplet-pinning effect and in delivering surfaces with high static contact angles (>130°) and good antiviral efficacy (log kill >2). In addition, the methodology highlights a valuable approach for the creation of mechanically robust, nanostructured surfaces which can be prepared by spray application using nonspecialized equipment.
Original languageEnglish
Pages (from-to)10632-10641
Number of pages10
JournalLangmuir
Volume38
Issue number34
Early online date17 Aug 2022
DOIs
Publication statusPublished - 30 Aug 2022

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