Analysis and design of functional micro/nano structured surfaces

Zhenzhen Xu; Lingbao Kong; Min Xu

doi:10.1117/12.2268526

8 March 2017 Analysis and design of functional micro/nano structured surfaces

Zhenzhen Xu, Lingbao Kong, Min Xu

Proceedings Volume 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016; 102550V (2017) https://doi.org/10.1117/12.2268526
Event: Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 2016, Jinhua, Suzhou, Chengdu, Xi'an, Wuxi, China

Abstract

In recent years, more and more attention has been paid to the bionic structure and functional materials. The theoretical research and fabricating ways of the Super-hydrophobic surface have sound achievements. However, the existing methods largely depend on the precision of the equipment and complex chemical substances, and it is hard to ensure the consistence of the material surface. Therefore, construction of microstructure on the surface of the material by using the method of mechanical processing to make the scale of the Super-hydrophobic surface to promote the popularization and application of Super-hydrophobic surface is of great significance. In order to put forward the innovative microstructure and to provide theoretical basis for the subsequent mechanical processing, based on the analysis of the classical theory of Super-hydrophobic, the super-hydrophobic film was by sol gel method. To explore the effects of different ratio of materials on the hydrophobicity, a micro/nano-structured super-hydrophobic coating was obtained by coating a film improved by hexamethyldisilazane (HMDS) after a film improved by polyethylene glycol (PEG) was coated. The microstructure of bilayer films is analyzed, and the double-layer film structure is simplified to design two kinds of microstructure models. For the design of the two models based on the Wenzel and Cassie equations, a roughness factor is adopted to establish the quantitative relationship between the contact angle and the microstructure parameters, and the microstructure parameters is also analyzed by using MATLAB software, and hence the optimized microstructure parameters is obtained.

Citation Download Citation

Zhenzhen Xu, Lingbao Kong, and Min Xu "Analysis and design of functional micro/nano structured surfaces", Proc. SPIE 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 102550V (8 March 2017); https://doi.org/10.1117/12.2268526

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KEYWORDS

Solids

Head-mounted displays

Commercial off the shelf technology

Coating

Liquids

Particles

Silica

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