Facile preparation of self-healing superhydrophobic CeO2 surface by electrochemical processes

Nakayama, Katsutoshi; Hiraga, Takuya; Zhu, Chunyu; Tsuji, Etsushi; Aoki, Yoshitaka; Habazaki, Hiroki

Facile preparation of self-healing superhydrophobic CeO2 surface by electrochemical processes

Nakayama, Katsutoshi; Hiraga, Takuya; Zhu, Chunyu et al.

Applied surface science, 2017, 423, 968-976

Permalink : https://hdl.handle.net/2115/76222

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論文情報

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アクセス権	open access
URI	https://hdl.handle.net/2115/76222
タイトル	Facile preparation of self-healing superhydrophobic CeO2 surface by electrochemical processes
著者	Nakayama, Katsutoshi ; Hiraga, Takuya ; Zhu, Chunyu ; Tsuji, Etsushi ; Aoki, Yoshitaka ; Habazaki, Hiroki
著者名 Nakayama, Katsutoshi
著者名 Hiraga, Takuya
著者名 Zhu, Chunyu
著者名 Tsuji, Etsushi
著者名 Aoki, Yoshitaka
e-Rad_Researcher 50208568 著者名 Habazaki, Hiroki
言語	英語
キーワード	CeO2 coating
	Superhydrophobicity
	Anodic deposition
	Self-healing ability
発行日	2017-11-30
出版者	Elsevier
収録物名	Applied surface science
巻(号)	423
ページ	968-976
抄録	Herein we report simple electrochemical processes to fabricate a self-healing superhydrophobic CeO2 coating on Type 304 stainless steel. The CeO2 surface anodically deposited on flat stainless steel surface is hydrophilic, although high temperature-sintered and sputter-deposited CeO2 surface was reported to be hydrophobic. The anodically deposited hydrophilic CeO2 surface is transformed to hydrophobic during air exposure. Specific accumulation of contaminant hydrocarbon on the CeO2 surface is responsible for the transformation to hydrophobic state. The deposition of CeO2 on hierarchically rough stainless steel surface produces superhydrophobic CeO2 surface, which also shows self-healing ability; the surface changes to superhydrophilic after oxygen plasma treatment but superhydrophobic state is recovered repeatedly by air exposure. This work provides a facile method for preparing a self-healing superhydrophobic surface using practical electrochemical processes. (C) 2017 Elsevier B.V. All rights reserved.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	© 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN	0169-4332
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.apsusc.2017.07.012