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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.
2003
发表期刊Surface Science
卷号546期号:2-3页码:64-74
ISSN0039-6028
摘要A 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.
学科领域力学
DOI10.1016/j.susc.2003.09.018
收录类别SCI
语种英语
WOS记录号WOS:000186739000009
关键词[WOS]AL2O3 COATING FILMS ; SOL-GEL METHOD ; HIGH TRANSPARENCY ; CONTACT ANGLES ; ALUMINUM ; COMPLEXES ; SYSTEMS ; SPECTRA ; MEMS
WOS研究方向Chemistry ; Physics
WOS类目Chemistry, Physical ; Physics, Condensed Matter
引用统计
被引频次:108[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/15605
专题力学所知识产出(1956-2008)
通讯作者Xiao, XD (reprint author), Hong Kong Univ Sci & Technol, Dept Phys, Hong Kong, Hong Kong, Peoples R China.
推荐引用方式
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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