Robust anti-icing performance of silicon wafer with hollow micro-/nano-structured ZnO

Title
Robust anti-icing performance of silicon wafer with hollow micro-/nano-structured ZnO
Authors
이중기김지영Guicheng LiuLei WangChao TengJing LiuManxiang WangQuiwen MeiJingxia Wang
Keywords
Hollow structured surface; Micro-/nano structure; Low temperature; Anti-icing; Superhydrophobicity
Issue Date
2018-06
Publisher
Journal of industrial and engineering chemistry
Citation
VOL 62-51
Abstract
A novel silicon-based robust anti-icing surface with hollow micro-/nano-structured ZnO (HMN) is investigated. The droplet could not freeze in 30 min under low temperature of − 15 °C, while that performance fails on the nano-structured and smooth surfaces. The cooling period of temperature fields on liquid droplet and the base are observed, which indicates that the air layer has a significant effect on the performance of the anti-icing surface. The results prove that the hollow micro-structure layer provides much more air than the nano-structured layer and induces the maximum thermal resistance, leading to its icephobic property. In this finding, HMN provides large thermal resistance between the base and liquid droplet and easily realizes long lasting anti-icing performance under lower temperature. This new concept is expected to be used in the fields of anti-icing, superhydrophobicity, insulation, thermal resistance, etc.
URI
http://pubs.kist.re.kr/handle/201004/67505
ISSN
1226-086X
Appears in Collections:
KIST Publication > Article
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