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HomeKey Engineering MaterialsKey Engineering Materials Vols. 609-610Switchable Wettability of Silicon Micro-Nano...

Switchable Wettability of Silicon Micro-Nano Structures Surface Produced by Femtosecond Laser

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Abstract:

Silicon micro-nanostructures were directly produced by femtosecond laser in air. By varying the laser power, we can tune the surface morphology, the wetting property. As-prepared silicon micro-nanostructures show superhydrophilicity, but with removal of native SiOx, superhydrophobicity is observed without surface modification. And a reversible switch between superhydrophilicity and superhydrophobicity can be realized by immersing samples in hydrofluoric acid and hydrogen peroxide, respectively, for many times.

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Micro-Nano Technology XV

Info:

Periodical:

Key Engineering Materials (Volumes 609-610)

Pages:

341-345

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.609-610.341

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Online since:

April 2014

Authors:

X.Q. Wang, Jian Ning Ding*, Ning Yi Yuan, S.Y. Wang, J.H. Qiu, B. Kan, X.B. Guo, Y.Y. Zhu

Keywords:

Femtosecond Laser, Silicon Micro-Nanostructures Surface, Switchable Wettability

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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