Antifogging Properties Brought Upon from Nanopillars

Author(s): Chaselynn Jiannotti, Hai-Feng Ji

Numerous agents such as hydrogels, polymers, and detergents have been used to temporarily subside fogging from surfaces to achieve antifogging effects. To produce a longer lasting solution to fogging, nanopillars were manufactured to resemble the natural surface structure of cicada wings to help produce antifogging effects. Droplet jumping behaviors, wettability, and contact angles are observed through multiple different studies determining the differences between superhydrophobic and superhydrophilic surfaces. Superhydrophobic surfaces displayed droplet jumping behaviors with contact angles > 150°, whereas superhydrophilic surfaces only displayed wettability with contact angles relatively close to 0°. The review summaries the papers on antifogging properties of surface brough upon from nanopillars, which presented guidelines for engineers to consider nanopillar manipulation that will influence antifogging tendencies among many surfaces.