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Laser ablation and chemical oxidation synergistically induced micro/nano re-entrant structures for super-oleophobic surface with Cassie state
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Chao, Jiaqi, Chen, Faze, Xia, Lei, Cai, Zexin, Wang, Fujun, Tian, Yanling and Zhang, Dawei (2023) Laser ablation and chemical oxidation synergistically induced micro/nano re-entrant structures for super-oleophobic surface with Cassie state. Nanomanufacturing and Metrology, 6 (1). 18. doi:10.1007/s41871-023-00190-w ISSN 2520-8128.
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WRAP-laser-ablation-chemical-oxidation-synergistically-induced-micro-nano-re-entrant-structures-super-oleophobic-surface-Cassie-state-Tian-2023.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (2031Kb) | Preview |
Official URL: https://doi.org/10.1007/s41871-023-00190-w
Abstract
Generally, re-entrant structures are a key part of fabricating superoleophobic surfaces, and this structure appears in almost all kinds of published research articles regarding superoleophobicity. However, the application of related fabrication methods is usually too complex and costly in real practice. In this paper, we present a simple method to generate micro-cauliflower structures, which work as re-entrant structures in microcone arrays, to promote the formation of superoleophobic surfaces. The heating process after alkali-assisted surface oxidation is the main reason for the appearance of a micro-ball structure, and the oxidation time can influence the size of the micro-ball. To the best of our knowledge, the influence of the heating process after alkali-assisted surface oxidation on the birth of the micro-ball structure is seldom researched. A low-surface-energy treatment was also analyzed in influencing the size of the re-entrant structure and its relative wettability. Droplets of 5 μl of n-decane show contact angles of 155 ± 1°on the as-prepared superoleophobic surface, and air pockets can be clearly seen underneath, indicating a stable Cassie contacting state and a promising application value in the near future.
Item Type: | Journal Article | |||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | |||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
SWORD Depositor: | Library Publications Router | |||||||||
Library of Congress Subject Headings (LCSH): | Laser ablation, Oxidation, Surfaces | |||||||||
Journal or Publication Title: | Nanomanufacturing and Metrology | |||||||||
Publisher: | Springer Nature Singapore | |||||||||
ISSN: | 2520-8128 | |||||||||
Official Date: | 25 May 2023 | |||||||||
Dates: |
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Volume: | 6 | |||||||||
Number: | 1 | |||||||||
Article Number: | 18 | |||||||||
DOI: | 10.1007/s41871-023-00190-w | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||
Date of first compliant deposit: | 27 June 2023 | |||||||||
Date of first compliant Open Access: | 27 June 2023 | |||||||||
RIOXX Funder/Project Grant: |
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