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, Joonsang Lee, Shinill Kang

Research output: Contribution to journalArticle

19 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

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Fingerprint Dive into the research topics of 'Design and fabrication of a large-area superhydrophobic metal surface with anti-icing properties engineered using a top-down approach'. Together they form a unique fingerprint.

  • Cite this