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Fog Collection on a Superhydrophobic/hydrophilic Composite Spine Surface† by An, Qier; Wang, Jinshu; Zhao, Feng; Wang, Lei is a Materials Science article available to read on EtoBox.

What is Fog Collection on a Superhydrophobic/hydrophilic Composite Spine Surface† about?

Inspired by numerous plants and animals living in arid conditions, a composite surface with the fog collection capacity has been fabricated in this study. The surface is composed of polydimethylsiloxane-based spine-arrays and a ZnO micron structure. Two wetting properties are integrated on the surface of the spine structure; the tip of spine is processed as hydrophilic and other parts such as the root region of spine and the base are processed as superhydrophobic. When the surface is in the saturated fog flow with a specific tilt angle, the fog deposits on spines and forms condensed droplets; then, the droplets fall off the surface due to gravity. Further, a new cycle of fog collection begins. In this study, we find that the percentage of the hydrophilic tip in the overall spine structure length, the distance between two spines and the tilt angle of surface are the key factors for improving the efficiency of fog collection. Such a composite surface might be an ideal platform for fog collection from air.

Who reads Fog Collection on a Superhydrophobic/hydrophilic Composite Spine Surface†?

Author

An, Qier; Wang, Jinshu; Zhao, Feng; Wang, Lei

Publisher

The Royal Society of Chemistry; Royal Society of Chemistry; Cambridge: RSC Publishing; Royal Society of Chemistry (RSC) (ISSN 2046-2069)

Published

2020

Language

EN

Field

Materials Science (Physical Sciences)