IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Designing a Superhydrophobic Surface for Enhanced Atmospheric Corrosion Resistance Based on Coalescence-Induced Droplet Jumping Behavior
Chen, Xiaotong1,2,3,4; Wang, Peng1,2,4; Zhang, Dun1,2,4
2019-10-16
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume11Issue:41Pages:38276-38284
Corresponding AuthorWang, Peng(wangpeng@qdio.ac.cn) ; Zhang, Dun(zhangdun@qdio.ac.cn)
AbstractCoalescence-induced droplet jumping behavior of superhydrophobic surfaces has attracted increasing attention for condensation heat transfer, antifrosting, self-cleaning, and electrostatic energy harvesting applications. The potential of applying such functionalized behavior for atmospheric corrosion protection, however, is unknown. Herein, we experimentally demonstrate, for the first time, the feasibility of applying coalescence-induced droplet jumping behavior of a superhydrophobic surface for atmospheric corrosion protection. Based on the rational fabrication of two kinds of superhydrophobic surfaces that are advantageous and not advantageous for coalescence-induced droplet jumping behavior, we reveal a novel atmospheric corrosion protection mechanism by studying the correlations of the surface structure, droplet jumping behavior, and atmospheric corrosion resistance of the two surfaces. Our results demonstrate that the superhydrophobic surface with coalescence-induced droplet jumping behavior presents a better atmospheric corrosion resistance than the superhydrophobic surface without coalescence-induced droplet jumping behavior. This is because coalescence-induced droplet jumping behavior of the superhydrophobic surface offers a possible mechanism to switch the droplets from a partial wetting state to the mobile Cassie state, and this switch is critical for facilitating the recovery of the air film trapped in the microstructure of a surface. In particular, the recovered air film enhances the atmospheric corrosion resistance of a superhydrophobic surface due to its barrier-like character. The insights gained from this work not only open a new avenue for designing first-rank anticorrosion materials but also offer new opportunities for understanding the physics of jumping droplets in other promising applications.
Keywordsuperhydrophobic surfaces condensation coalescence-induced droplet jumping behavior atmospheric corrosion protection microstructure air films
DOI10.1021/acsami.9b11415
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41576079] ; National Natural Science Foundation of China[41922040] ; Qingdao National Laboratory for Marine Science and Technology[QNLM2016ORP0413] ; Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-ES02] ; Key Research and Development Program of Shandong Province[2018GGX104021] ; AoShan Talent Program
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000491219700095
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/164803
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, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Shandong, Peoples R China
First Author AffilicationKey Laboratory of Marine Environmental Corrosion and Bio-fouling, IOCAS
Corresponding Author AffilicationKey Laboratory of Marine Environmental Corrosion and Bio-fouling, IOCAS
Recommended Citation
GB/T 7714
Chen, Xiaotong,Wang, Peng,Zhang, Dun. Designing a Superhydrophobic Surface for Enhanced Atmospheric Corrosion Resistance Based on Coalescence-Induced Droplet Jumping Behavior[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(41):38276-38284.
APA Chen, Xiaotong,Wang, Peng,&Zhang, Dun.(2019).Designing a Superhydrophobic Surface for Enhanced Atmospheric Corrosion Resistance Based on Coalescence-Induced Droplet Jumping Behavior.ACS APPLIED MATERIALS & INTERFACES,11(41),38276-38284.
MLA Chen, Xiaotong,et al."Designing a Superhydrophobic Surface for Enhanced Atmospheric Corrosion Resistance Based on Coalescence-Induced Droplet Jumping Behavior".ACS APPLIED MATERIALS & INTERFACES 11.41(2019):38276-38284.
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