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24 October 2017 Fabrication of hierarchical superhydrophobic surfaces
Yingjie Jiang, Linghua Chen, Li Xing, Jun Yao
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Proceedings Volume 10460, AOPC 2017: Optoelectronics and Micro/Nano-Optics; 104600C (2017) https://doi.org/10.1117/12.2282814
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
Abstract
The hierarchical rough structure is essential for superhydrophobic surfaces. In this paper, we prepared a hierarchical surface composed of micro-dot-matrix and SiO2 nano porous network. The micro-dot-matrix was fabricated on the glass substrate by photolithography and ion beam etching. The SiO2 nano porous network was generated by incompletely combustion of hexamethyl disilazane (HMDS) and deposited on the surface of substrate via dip-coating. Owing to the incompletely combustion of HMDS, the methyl group was still existed and the resultant surface with hierarchical structure exhibits excellent superhydrophobic property with water contact angle of 157° and water sliding angle of 2° without further low-surface-energy modification. Our method is facile, convenient and scalable which provides a promising avenue for large-scale production.
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Yingjie Jiang, Linghua Chen, Li Xing, and Jun Yao "Fabrication of hierarchical superhydrophobic surfaces", Proc. SPIE 10460, AOPC 2017: Optoelectronics and Micro/Nano-Optics, 104600C (24 October 2017); https://doi.org/10.1117/12.2282814
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KEYWORDS
Head-mounted displays
Optical lithography
Silica
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