Fabrication of a bio-inspired hydrophobic thin film by glutaraldehyde crosslinking electrospun composite self-cleaning nanofibers

Zhao Chi Chen, Tien Li Chang, Dar Sun Liou, Jing Yuan Fan, Chien Ping Wang

Research output: Contribution to journalArticlepeer-review

Abstract

Bio-inspired hydrophobic thin films with nano- and micro-structures find many applications. For this study, the PVA/PEDOT:PSS (PPDOT) composite nanofibers (nanofiber membranes) as the hydrophobic thin film are electrospun. Hydrophobic PPDOT composite nanofibers that are not affected by the electrical properties and viscosity were produced using glutaraldehyde (GA) cross-linkages. Using GA at 2–10% concentration, the surface hydrophobicity of the composite nanofiber allows the removal of dust. GA cross-linking affects the specific surface area of electrospun PPDOT composite nanofibers and carbon–oxygen bonding (C = O) has a significant effect on the surface properties. Bio-inspired nanofiber structures for hydrophobic thin films allow their use for self-cleaning application.

Original languageEnglish
Article number129975
JournalMaterials Letters
Volume298
DOIs
Publication statusPublished - Sep 2021
Externally publishedYes

Keywords

  • Composite
  • Crosslinking
  • Electrospinning
  • Nanofibers
  • Structures

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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