Stable Superwetting Surface Prepared with Tilted Silicon Nanowires

Large-scale uniform nanostructured surface with superwettability is crucial in both fundamental research and engineering applications.A facile and controllable approach was employed to fabricate a superwetting tilted silicon nanowires(TSNWs) surface through metal-assisted chemical etching and modifi...

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Bibliographic Details
Published in:Nano-micro letters 2016, Vol.8 (4), p.388-393
Main Authors: Meng, Xiangman, Zhou, Ailin, Wang, Bo, Chen, Yu, Tang, Yun-Hui, Yan, Hui
Format: Article
Language:English
Subjects:
Engineering
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
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Summary:Large-scale uniform nanostructured surface with superwettability is crucial in both fundamental research and engineering applications.A facile and controllable approach was employed to fabricate a superwetting tilted silicon nanowires(TSNWs) surface through metal-assisted chemical etching and modification with low-surface-energy material.The contact angle(CA) measurements of the nanostructured surface show a large range from the superhydrophilicity(the CA approximate to 0°) to superhydrophobicity(the CA up to 160°).The surface becomes antiadhesion to water upon nanostructuring with a measured sliding angle(a) close to 0°.Moreover,the fluorinated TSNWs surface exhibits excellent stability and durability because strong chemical bonding has been formed on the surface.
ISSN:2150-5551
2311-6706
2150-5551
DOI:10.1007/s40820-016-0100-x