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Nanostructure-Dependent Water-Droplet Adhesiveness Change in Superhydrophobic Anodic Aluminum Oxide Surfaces: From Highly Adhesive to Self-Cleanable

Authors
Lee, WonbaePark, Bo GiKim, Dae HyunAhn, Dong JunPark, YongdooLee, Sang HoonLee, Kyu Back
Issue Date
2-2월-2010
Publisher
AMER CHEMICAL SOC
Keywords
Nanostructure; superhydrophobicity; adhesiveness
Citation
LANGMUIR, v.26, no.3, pp.1412 - 1415
Indexed
SCIE
SCOPUS
Journal Title
LANGMUIR
Volume
26
Number
3
Start Page
1412
End Page
1415
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/117005
DOI
10.1021/la904095x
ISSN
0743-7463
Abstract
Water-droplet adhesiveness was freely controlled oil it single platform of superhydrophobic anodized aluminum oxide (AAO) within the range from highly adhesive to self-cleanable. Changing the Structure from nanopore to nanopillar arrays at the Surface caused a dramatic increase in the receding angle and a decrease in the hysteresis of water contact angles. The presence of dead-end nanopores but nanoholes through nanoholes was recognized as one of the main causes of the adhesiveness of superhydrophobic surfaces. The adhesiveness-controllable superhydrophobic AAO call be all excellent platform oil which to elucidate the physical nature of the wetting phenomenon related to the nanostructure and has promising potential in technological applications.
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