IMECH-IR  > 力学所知识产出(1956-2008)
The hydrophobicity of surfaces with micro-structures
Zheng X(郑旭); Li ZH(李战华); Silber-Li, Z (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100864, Peoples R China.
Source Publication2006 1st IEEE International Conference on Nano/Micro Engineered and Molecular Systems, Vols 1-3
2006
Conference NameIEEE International Conference of Nano/Micro Engineered and Molecular Systems
Conference DateJAN 18-21, 2006
Conference PlaceZhuhai, PEOPLES R CHINA
AbstractMicro/nano structures on the surface of the super-hydrophobic lotus leaves have been observed with Scanning Electron Microscope (SEM) images, and the hydrophobicity enhanced by rough structures on hydrophobic surface has attracted lots of interests. This paper studied on the effects of micro-structures. From replication of lotus leaves surface by using poly-dimethylsiloxane (PDMS), micro-structures can be obtained on the artificial surface. The contact angle (CA) on this surface is about 140 degrees, which means the microstructures make important efforts. Considering the characteristics of Cassie's law and Wenzel's law, this paper proposes a revised formula to describe the relations between contact angles and geometric sizes of surface micro-structures. An optimum value of b/a (a is the width of the micro-structures, b is the interspace between microstructures) is given for maximum CA.
WOS IDWOS:000248485801036
ISBN978-1-4244-0139-0
URL查看原文
Indexed ByCPCI-S
Language英语
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Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58899
Collection力学所知识产出(1956-2008)
Corresponding AuthorSilber-Li, Z (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100864, Peoples R China.
Recommended Citation
GB/T 7714
Zheng X,Li ZH,Silber-Li, Z . The hydrophobicity of surfaces with micro-structures[C]2006 1st IEEE International Conference on Nano/Micro Engineered and Molecular Systems, Vols 1-3,2006.
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