ICCAS OpenIR
Effects of rugged nanoprotrusions on the surface hydrophobicity and water adhesion of anisotropic micropatterns
Gao, Xuefeng; Yao, Xi; Jiang, Lei
2007-04-24
Source PublicationLANGMUIR
ISSN0743-7463
Volume23Issue:9Pages:4886-4891
AbstractA facile laser-etching method was used for the one-step creation of various controllable dimensions of anisotropic micropatterns consisting of an alternating arrangement of microgrooves and microstripes with rugged nanoprotrusions, which after modified with fluoroalkylsilane reagent, showed perfect isotropic superhydrophobicity without apparent CA hystereses, water adhesion, and drag resistance, other than the conventional view of anisotropic surface microstructures with anisotropic surface dewetting. The detailed experiments and analyses have indicated that the introduction of the rugged nanoprotrusions on the surface of microstripes provided ideal 3D roughness, which could not only enhance the apparent contact angles close to 180 degrees by the "point" contact fashion to maximally reduce the liquid-solid contact area but, most importantly, make droplets easily roll off the surface without apparent CA hysteresis by regulating the triple-phase contact line (TCL) to become extremely discrete. These findings would be helpful in understanding the role of complex micro- and nanostructures on natural superhydrophobic biosurfaces and guiding the design of perfect artificial superhydrophobic materials for technological innovations such as the raindrop easy-cleaning, aquatic super-floating, and drag-reducing coatings.
DOI10.1021/la0630357
Indexed BySCI
Language英语
WOS IDWOS:000245736400031
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:96[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/62300
Collection中国科学院化学研究所
Corresponding AuthorGao, Xuefeng
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
Recommended Citation
GB/T 7714
Gao, Xuefeng,Yao, Xi,Jiang, Lei. Effects of rugged nanoprotrusions on the surface hydrophobicity and water adhesion of anisotropic micropatterns[J]. LANGMUIR,2007,23(9):4886-4891.
APA Gao, Xuefeng,Yao, Xi,&Jiang, Lei.(2007).Effects of rugged nanoprotrusions on the surface hydrophobicity and water adhesion of anisotropic micropatterns.LANGMUIR,23(9),4886-4891.
MLA Gao, Xuefeng,et al."Effects of rugged nanoprotrusions on the surface hydrophobicity and water adhesion of anisotropic micropatterns".LANGMUIR 23.9(2007):4886-4891.
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