IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Rational fabrication of superhydrophobic surfaces with coalescence-induced droplet jumping behavior for atmospheric corrosion protection
Chen, Xiaotong1,2,3,4; Wang, Peng1,2,4; Zhang, Dun1,2,4; Ou, Junfei5
2022-01-15
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume428Pages:12
Corresponding AuthorWang, Peng(wangpeng@qdio.ac.cn) ; Zhang, Dun(zhangdun@qdio.ac.cn)
AbstractCoalescence-induced droplet jumping behavior on superhydrophobic surfaces has a potential application in atmospheric corrosion protection by spontaneously removing the corrosive water film/droplets. However, the design guidelines for superhydrophobic surfaces to realize coalescence-induced droplet jumping behavior remain lacking, and the antifogging ability of droplet jumping behavior for atmospheric corrosion protection is unknown. Herein, two kinds of superhydrophobic surfaces, namely, the sheet-like structure superhydrophobic surface and the cluster-like structure superhydrophobic surface, were rationally fabricated over the copper substrate by the different solution-immersion process followed by the same hydrophobized treatment. First, the correlations of the microstructure and droplet jumping behavior of the two surfaces were studied, and a droplet jumping phase map that divided the jumping and non-jumping regions was formulated from the perspective of energy. The sheet-like structure superhydrophobic surface with a higher contact angle and a lower surface roughness is more favorable to droplet jumping behavior due to a lower solid/liquid contact area and interfacial adhesion. Second, the antifogging ability of droplet jumping behavior for atmospheric corrosion protection was experimentally demonstrated. Comparatively, the sheet-like structure superhydrophobic surface presents a superior anti-corrosion performance due to droplet jumping-induced wetting transition. This work offers design guidelines for superhydrophobic surfaces to realize coalescence-induced droplet jumping behavior in selfcleaning, anti-icing/anti-frosting, and condensation heat transfer enhancement applications, and provides insights into designing efficient technologies in the application of atmospheric corrosion protection.
KeywordSuperhydrophobic surface Atmospheric corrosion protection Coalescence-induced droplet jumping behavior Wetting transition Microstructure Air film
DOI10.1016/j.cej.2021.132029
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41922040] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA23050104]
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000729474600005
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177516
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorWang, Peng; Zhang, Dun
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
5.Jiangsu Univ Technol, Sch Mat Engn, Changzhou 213001, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen, Xiaotong,Wang, Peng,Zhang, Dun,et al. Rational fabrication of superhydrophobic surfaces with coalescence-induced droplet jumping behavior for atmospheric corrosion protection[J]. CHEMICAL ENGINEERING JOURNAL,2022,428:12.
APA Chen, Xiaotong,Wang, Peng,Zhang, Dun,&Ou, Junfei.(2022).Rational fabrication of superhydrophobic surfaces with coalescence-induced droplet jumping behavior for atmospheric corrosion protection.CHEMICAL ENGINEERING JOURNAL,428,12.
MLA Chen, Xiaotong,et al."Rational fabrication of superhydrophobic surfaces with coalescence-induced droplet jumping behavior for atmospheric corrosion protection".CHEMICAL ENGINEERING JOURNAL 428(2022):12.
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