IMECH-IR  > 力学所知识产出(1956-2008)
Preparation and Characterization of an Ultrahydrophobic Surface Based on a Stearic Acid Self-Assembled Monolayer Over Polyethyleneimine Thin Films
Ren SL; Yang SR; Zhao YP(赵亚溥); Yu TX; Xiao XD; Xiao, XD (reprint author), Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China.
Source PublicationSurface Science
2003
Volume546Issue:2-3Pages:64-74
ISSN0039-6028
AbstractA novel ultrahydrophobic ultrathin film was prepared by stearic acid (STA) chemically adsorbed onto the polyethyleneimine (PEI) coated aluminum wafer. The formation and the structure of the films have been characterized by means of water contact angle measurement, ellipsometry, Fourier transformation infrared spectroscopy, and X-ray photoelectron spectroscopy. The static contact angle for water on the surface of this ultrathin organic film was measured to be as high as $166^\circ$. Apart from the hydrophobic STA monolayer, the needle-like surface nanostructures with enough roughness was found to be essential for the generation of ultrahydrophobicity. We suggest that a composite interface formed by the needle-like surface nanostructures, water droplet, and air trapped in the crevices is responsible for the superior water-repellent property.
Subject Area力学
DOI10.1016/j.susc.2003.09.018
Indexed BySCI
Language英语
WOS IDWOS:000186739000009
WOS KeywordAL2O3 COATING FILMS ; SOL-GEL METHOD ; HIGH TRANSPARENCY ; CONTACT ANGLES ; ALUMINUM ; COMPLEXES ; SYSTEMS ; SPECTRA ; MEMS
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Physical ; Physics, Condensed Matter
Citation statistics
Cited Times:125[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/15605
Collection力学所知识产出(1956-2008)
Corresponding AuthorXiao, XD (reprint author), Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China.
Recommended Citation
GB/T 7714
Ren SL,Yang SR,Zhao YP,et al. Preparation and Characterization of an Ultrahydrophobic Surface Based on a Stearic Acid Self-Assembled Monolayer Over Polyethyleneimine Thin Films[J]. Surface Science,2003,546,2-3,:64-74.
APA Ren SL,Yang SR,赵亚溥,Yu TX,Xiao XD,&Xiao, XD .(2003).Preparation and Characterization of an Ultrahydrophobic Surface Based on a Stearic Acid Self-Assembled Monolayer Over Polyethyleneimine Thin Films.Surface Science,546(2-3),64-74.
MLA Ren SL,et al."Preparation and Characterization of an Ultrahydrophobic Surface Based on a Stearic Acid Self-Assembled Monolayer Over Polyethyleneimine Thin Films".Surface Science 546.2-3(2003):64-74.
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