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Integrative Bioinspired Surface with Wettable Patterns and Gradient for Enhancement of Fog Collection

Author:
Xing, Yan, Shang, Weifeng, Wang, Qianqian, Feng, Shile, Hou, Yongping, Zheng, Yongmei
Source:
ACS applied materials & interfaces 2019 v.11 no.11 pp. 10951-10958
ISSN:
1944-8252
Subject:
droplets, oxidation, water harvesting
Abstract:
A novel integrative bioinspired surface with wettable patterns and gradient (WPGS) is proposed for fog collection via a novel anodic oxidation strategy. We study the water collection behaviors on WPGS with different parameters. Quantitative force analysis is presented, providing evidence for the underlying mechanism leading to the directional motion of the droplet, which is consistent with the experimental results. Such a surface can not only improve the fog droplet capture performance effectively owing to wettable patterns but also accelerate surface regeneration by taking full advantage of the cooperation of multidriving forces, leading to a further fog collection enhancement.
Agid:
6337173