Preparation of superhydrophobic surface by laser ablation-chemical etching process on stainless steel

Qinghui Chen; Yukui Cai

doi:10.1117/12.2603046

31 August 2021 Preparation of superhydrophobic surface by laser ablation-chemical etching process on stainless steel

Qinghui Chen, Yukui Cai

Proceedings Volume 11907, Sixteenth National Conference on Laser Technology and Optoelectronics; 119071R (2021) https://doi.org/10.1117/12.2603046
Event: Sixteenth National Conference on Laser Technology and Optoelectronics, 2021, Shanghai, China

Abstract

The paper provides a method of combining nanosecond pulsed laser ablation with chemical etching to fabricate superhydrophobic surface on AISI 316L stainless steel. Laser ablation is used to fabricate micro patterns, then chemical etching is employed to remove surface oxides and contaminants to form anisotropic microstructures. Unlike the hydrophilic laser ablated surface, the specimen treated by laser ablation-chemical etching (LACE) shows superhydrophobicity and do not require low surface energy agent. Hence, the superhydrophobic surface obtained by LACE method has great potential in the fields of self-cleaning, microfluidics and liquid directional transportation.

Citation Download Citation

Qinghui Chen and Yukui Cai "Preparation of superhydrophobic surface by laser ablation-chemical etching process on stainless steel", Proc. SPIE 11907, Sixteenth National Conference on Laser Technology and Optoelectronics, 119071R (31 August 2021); https://doi.org/10.1117/12.2603046

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