Conciliating surface superhydrophobicities and mechanical strength of porous silicon films
Wang, Fuguo1,2; Zhao, Kun3; Cheng, Jinchun1; Zhang, Junyan1
2010-10
发表期刊Applied Surface Science
ISSN01694332
卷号257期号:257页码:2752–2755
摘要Hydrophobic surfaces on Mechanical stable macroporous silicon films were prepared by electrochemical etching with subsequent octadecyltrichlorosilane (OTS) modification. The surface morphologies were controlled by current densities and the mechanical properties were adjusted by their corresponding porosities. Contrast with the smooth macroporous silicon films with lower porosities (34.1%) and microporous silicon with higher porosities (97%), the macroporous film with a rough three-dimension (3D) surface and a moderate pore to cross-section area ratio (37.8%, PSi2') exhibited both good mechanical strength (Yong' modulus, shear modulus and collapse strength are 64.2, 24.1 and 0.32 GPa, respectively) and surface superhydrophobicity (water contact angle is 158.4 +/- 2 degrees and sliding angle is 2.7 +/- 1 degrees). This result revealed that the surface hydrophobicities (or the surface roughness) and mechanical strength of porous films could be conciliated by pore to cross-section area ratios control and 3D structures construction. Thus, the superhydrophobic surfaces on mechanical stable porous films could be obtained by 3D structures fabrication on porous film with proper pore to cross-section area ratios. (C) 2010 Elsevier B. V. All rights reserved.
关键词Superhydrophobic surfaces Porous silicon Mechanical properties
DOI10.1016/j.apsusc.2010.10.056
收录类别SCI ; SCIE
语种英语
WOS研究方向Chemistry ; Materials Science ; Physics
WOS类目Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000285963200056
出版者Elsevier B.V., Netherlands
EI入藏号20110513633498
EI分类号549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 801.4 Physical Chemistry - 931.2 Physical Properties of Gases, Liquids and Solids - 951 Materials Science
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/103291
专题研究生院
省部共建有色金属先进加工与再利用国家重点实验室
通讯作者Zhang, Junyan
作者单位1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China;
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China;
3.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Peoples R China
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Wang, Fuguo,Zhao, Kun,Cheng, Jinchun,et al. Conciliating surface superhydrophobicities and mechanical strength of porous silicon films[J]. Applied Surface Science,2010,257(257):2752–2755.
APA Wang, Fuguo,Zhao, Kun,Cheng, Jinchun,&Zhang, Junyan.(2010).Conciliating surface superhydrophobicities and mechanical strength of porous silicon films.Applied Surface Science,257(257),2752–2755.
MLA Wang, Fuguo,et al."Conciliating surface superhydrophobicities and mechanical strength of porous silicon films".Applied Surface Science 257.257(2010):2752–2755.
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