Design and fabrication of a large-area superhydrophobic metal surface with anti-icing properties engineered using a top-down approach

Myungki Jung, Taekyung Kim, Hokwan Kim, Ryung Shin, Jinhyung Lee, Jungshin Lee, Joon Sang Lee, Shinill Kang

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Recently, the development of durable hydrophobic surfaces has received much attention, with anti-icing applications in harsh environments such as aircrafts, wind turbines, power lines, and marine vessels. In this paper we describe a design methodology employing a lattice Boltzmann method to determine the optimal geometry of microstructures to achieve superhydrophobicity. We describe a top-down fabrication method to form superhydrophobic micro-hierarchical metal surface using photolithography, nanoimprinting, and continuous metal-to-metal replication using pulse-reverse-current electrochemical deposition. The surfaces were formed of nickel, which has a large hardness and is resistant to corrosion, making it suitable for use in harsh external conditions. We compared the measured wettability of fabricated micro-hierarchical metal surface with that from numerical simulations. The contact angle and contact angle hysteresis of four metal surfaces were measured (i.e., a bare surface, a random nanostructured surface, an engineered nanostructured surface, and an engineered hierarchical structured surface), and the anti-icing properties of these four metal surfaces were investigated.

Original languageEnglish
Pages (from-to)920-926
Number of pages7
JournalApplied Surface Science
Volume351
DOIs
Publication statusPublished - 2015 Oct 1

Fingerprint

Metals
Fabrication
Contact angle
Photolithography
Nickel
Wind turbines
Hysteresis
Wetting
Hardness
Aircraft
Corrosion
Microstructure
Geometry
Computer simulation

All Science Journal Classification (ASJC) codes

  • Surfaces, Coatings and Films

Cite this

Jung, Myungki ; Kim, Taekyung ; Kim, Hokwan ; Shin, Ryung ; Lee, Jinhyung ; Lee, Jungshin ; Lee, Joon Sang ; Kang, Shinill. / Design and fabrication of a large-area superhydrophobic metal surface with anti-icing properties engineered using a top-down approach. In: Applied Surface Science. 2015 ; Vol. 351. pp. 920-926.
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Design and fabrication of a large-area superhydrophobic metal surface with anti-icing properties engineered using a top-down approach. / Jung, Myungki; Kim, Taekyung; Kim, Hokwan; Shin, Ryung; Lee, Jinhyung; Lee, Jungshin; Lee, Joon Sang; Kang, Shinill.

In: Applied Surface Science, Vol. 351, 01.10.2015, p. 920-926.

Research output: Contribution to journalArticle

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