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Title: Femtosecond Laser Fabricated Elastomeric Superhydrophobic Surface with Stretching-Enhanced Water Repellency
Authors: Yang, H.
Xu, K.
Xu, C.
Fan, D.
Cao, Y.
Xue, W.
Pang, J.
Keywords: Femtosecond laser
High stretchability
Silicone elastomer
Superhydrophobic surface
Wetting behavior
Issue Date: 2019
Publisher: Springer New York LLC
Citation: Yang, H., Xu, K., Xu, C., Fan, D., Cao, Y., Xue, W., Pang, J. (2019). Femtosecond Laser Fabricated Elastomeric Superhydrophobic Surface with Stretching-Enhanced Water Repellency. Nanoscale Research Letters 14 (1) : 333. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: Highly stretchable and robust superhydrophobic surfaces have attracted tremendous interest due to their broad application prospects. In this work, silicone elastomers were chosen to fabricate superhydrophobic surfaces with femtosecond laser texturing method, and high stretchability and tunable adhesion of the superhydrophobic surfaces were demonstrated successfully. To our best knowledge, it is the first time flexible superhydrophobic surfaces with a bearable strain up to 400% are fabricated by simple laser ablation. The test also shows that the strain brings no decline of water repellency but an enhancement to the superhydrophobic surfaces. In addition, a stretching-induced transition from “petal” state to “lotus” state of the laser-textured surface was also demonstrated by non-loss transportation of liquid droplets. Our results manifest that femtosecond laser ablating silicone elastomer could be a promising way for fabricating superhydrophobic surface with distinct merits of high stretchability, tunable adhesion, robustness, and non-fluorination, which is potentially useful for microfluidics, biomedicine, and liquid repellent skin. © 2019, The Author(s).
Source Title: Nanoscale Research Letters
ISSN: 19317573
DOI: 10.1186/s11671-019-3140-6
Rights: Attribution 4.0 International
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