Fabrication of a bionic superhydrophobic metal surface by sulfur-induced morphological development

We describe the fabrication of lotus leaf-like superhydrophobic metal surfaces by using the simple electrochemical reaction of Cu or Cu-Sn alloy plated on steel sheets with sulfur gas, and subsequent perfluorosilane treatment. The microstructure of these surfaces was obtained through the nonelectric...

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Published in:Journal of materials chemistry 2005-08, Vol.15 (30), p.3089-3092
Main Authors: JOONG TARK HAN, JANG, Yunseok, DONG YUN LEE, JI HWAN PARK, SONG, Seong-Hun, BAN, Deok-Young, CHO, Kilwon
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Language:English
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Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Physics
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cited_by cdi_FETCH-LOGICAL-c303h-a0a58b41ed8d050f5007b9ac76eeecc729595df0c8625b1edf7d8f44a09465933
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container_end_page 3092
container_issue 30
container_start_page 3089
container_title Journal of materials chemistry
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creator JOONG TARK HAN
JANG, Yunseok
DONG YUN LEE
JI HWAN PARK
SONG, Seong-Hun
BAN, Deok-Young
CHO, Kilwon
description We describe the fabrication of lotus leaf-like superhydrophobic metal surfaces by using the simple electrochemical reaction of Cu or Cu-Sn alloy plated on steel sheets with sulfur gas, and subsequent perfluorosilane treatment. The microstructure of these surfaces was obtained through the nonelectric chemical plating of the copper onto the steel sheets, and the nanotexturing of the surfaces was achieved via an electrochemical reaction of copper in a sulfur-containing environment at 150 DGC, resulting in the formation of a copper sulfide nanostructure on the microstructure. The chemical composition of this metal surface was confirmed using X-ray photoelectron spectroscopy. The water contact angles of the bionic metal surfaces were found to be over 160DG, and this surface exhibits a low contact angle hysteresis. To our knowledge, this is the first time this approach has been used with a simple chemical reaction to fabricate an artificial superhydrophobic metal surface.
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source Royal Society of Chemistry: Jisc Collections: Journals Archive 1841-2007 (2019-2023)
subjects Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Materials science
Physics
title Fabrication of a bionic superhydrophobic metal surface by sulfur-induced morphological development
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