Superhydrophobic cylindrical nanoshell array

Title
Superhydrophobic cylindrical nanoshell array
Authors
임매순박용범임훤최양규
Issue Date
2010-06
Publisher
Langmuir
Citation
VOL 26, NO 11-7664
Abstract
A superhydrophobic property was demonstrated on a cylindrical poly crystalline silicon nanoshell array due to its geometrical properties, even without a hydrophobic coating. The proposed structure showed superior water-repellency compared to a conventional pillar structure with an identical structural dimension. This superhydrophobic property is attributed to an air pillar that exists in the nanoshell. Through the calculation of capillary pressure, the stability of the air pillar was confirmed. Furthermore, a droplet impinging test was conducted on the fabricated cylindrical nanoshell array to verify the robust Cassie state of the proposed structure under a dynamic condition.
URI
http://pubs.kist.re.kr/handle/201004/71036
ISSN
0743-7463
Appears in Collections:
KIST Publication > Article
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