Novel Hollow Re-entrant Structures Improving Hydrophobicity of Metal Surfaces
作者机构：Ministry of Education Key Laboratory for Cross-Scale Micro and Nano ManufacturingChangchun University of Science and TechnologyChangchun 130022China School of Mechanical and Electrical EngineeringChangchun University of Science and TechnologyChangchun 130022China
出 版 物：《Nanomanufacturing and Metrology》 (纳米制造与计量（英文）)
年 卷 期：2023年第6卷第2期
页 面：27-36页
核心收录：
学科分类：07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学]
基 金：supported by The National Key Research and Development Program of China(2022YFB4600202) Applied Basic Research Project of Key R&D Program of Changchun Science and Technology Bureau(21ZY37) The Fund for the Central Government Guides Local Science and Technology Development Funds to the Special Basic Research of Jilin Province(No.202002039JC) Jinlin Innovation and Entrepreneurship Talent Funding Project(No.2021Z002)
主 题：Hollow re-entrant structures Electrodeposition Hydrophobic surface
摘 要：Re-entrant structures have drawn increasing attention because of their ***,it is very difficult to manufacture re-entrant structures at the micron scale on metal *** this study,we designed and manufactured novel hollow re-entrant structures employing laser ablation and electrodeposition *** designed hollow re-entrant structure on metal surfaces has been fabricated successfully,which has high processing efficiency and good *** morphology and size of the hollow re-entrant structures were *** found that the hydrophobic performance of hollow re-entrant structures was improved after being in the atmosphere for 3 *** electrodeposition,the static contact angle was 133°.However,after being placed in the atmosphere for 3 days,the static contact angle was 140.4°,which is 5.2%higher than that after electrochemical *** explained the cause of this *** change of element content on the surface of hollow re-entrant structures was used to indicate the formation of metal *** being in the atmosphere for 3 days,oxygen content increased by 0.4%.The metal surfaces with hollow re-entrant structures have a broader application prospect.
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