Controlling the wettability of stainless steel from highly-hydrophilic to super-hydrophobic by femtosecond laser-induced ripples and nanospikes. Issue 62 (14th October 2020)

• Record Type: Journal Article
• Authors: Žemaitis, Andrius; Mimidis, Alexandros; Papadopoulos, Antonis; Gečys, Paulius; Račiukaitis, Gediminas; Stratakis, Emmanuel; Gedvilas, Mindaugas
• Is Part Of: RSC advances. Volume 10:Issue 62(2020)
• Page Start: 37956
• Page End: 37961
• Publication Date: 2020-10-14
• Subjects: Chemistry -- Periodicals; 540.5
• DOI: 10.1039/d0ra05665k
• Languages: English
• ISSNs: 2046-2069

Abstract

Abstract : Results on the manipulation of the wetting properties of stainless steel alloy surface by ultrashort pulse laser texturing are presented. Abstract : Results on the manipulation of the wetting properties of stainless steel alloy surface by ultrashort pulse laser texturing are presented. The wide range of water droplet contact angles from highly-hydrophilic to super-hydrophobic was achieved by generation of laser-induced periodic surface structures (LIPSS) and nanospikes. In particular, the wetting state was controlled by accumulated laser fluence, which determines the carbon/oxygen content and nano-texture type of the surface after laser treatment. A super-hydrophobic water-repelling surface was generated. The simple, single-step laser processing technology was demonstrated as a promising tool for the large-scale industrial production of self-cleaning stainless steel.