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Effects of the relative humidity and water droplet on adhesion of a bio-inspired nano-film
Peng ZL(彭志龙); Chen SH(陈少华); Chen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
Source PublicationColloids and Surfaces B-Biointerfaces
2011
Volume88Issue:2Pages:717-721
ISSN0927-7765
AbstractInspired by geckos' adhesion, the effect of water membrane forming due to the environmental humidity, on the adhesion between a bio-inspired nano-film and a substrate is investigated first. The disjoining pressure is considered, which results in an enhancing adhesion between the nano-film and substrate. When the thickness of water membrane increases, water droplets will form and a repulsive capillary force between the nano-film and substrate is produced. The total adhesion force decreases with an increasing volume of water droplets. The two opposite results in the two different models are consistent well with two seemingly inconsistent experimental observations by Huber et al. (2005) [4] and Sun et al. (2005) [5], respectively, and may be significant for the development of artificial biomimetic attachment systems. (C) 2011 Elsevier B.V. All rights reserved.
KeywordGecko Nano-film Adhesion Relative Humidity Water Droplet Disjoining Pressure Gecko Adhesion Liquid-films Force Capillarity Surfaces Model Hair
Subject AreaBiophysics ; Chemistry ; Materials Science
DOI10.1016/j.colsurfb.2011.08.006
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000296040700025
WOS KeywordDISJOINING PRESSURE ; GECKO ADHESION ; LIQUID-FILMS ; FORCE ; CAPILLARITY ; SURFACES ; MODEL ; HAIR
WOS Research AreaBiophysics ; Chemistry ; Materials Science
WOS SubjectBiophysics ; Chemistry, Physical ; Materials Science, Biomaterials
Funding OrganizationThe work reported here is supported by NSFC through Grants #10972220, #10732050, and #11021262. In addition, the authors should give their many thanks to the two anonymous reviewers for their helpful and professional suggestions.
DepartmentLNM仿生材料与固体的微尺度力学
Classification二类/Q1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44892
Collection非线性力学国家重点实验室
Corresponding AuthorChen, SH (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Peng ZL,Chen SH,Chen, SH . Effects of the relative humidity and water droplet on adhesion of a bio-inspired nano-film[J]. Colloids and Surfaces B-Biointerfaces,2011,88(2):717-721.
APA 彭志龙,陈少华,&Chen, SH .(2011).Effects of the relative humidity and water droplet on adhesion of a bio-inspired nano-film.Colloids and Surfaces B-Biointerfaces,88(2),717-721.
MLA 彭志龙,et al."Effects of the relative humidity and water droplet on adhesion of a bio-inspired nano-film".Colloids and Surfaces B-Biointerfaces 88.2(2011):717-721.
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