Stainless steel anisotropic superhydrophobic surfaces fabrication with inclined cone array via laser ablation and post annealing treatment

Abstract

Metal superhydrophobic surfaces with anisotropic wettability and adhesion have become more and more important due to their promising applications. Herein, we report a new fabrication strategy through a combination of pulsed laser ablation and low-temperature annealing post-processing. An inclined cone structure array is made on stainless steel surfaces, and then 120 °C low-temperature annealing is applied. Such surface displays excellent mechanical durability and anisotropic superhydrophobicity. It is demonstrated experimentally that the contact angle of water droplets on the surface is different along the parallel (167° ±2°) and perpendicular directions (157° ±2°) of the inclined cone structure. The sliding behaviors of water droplets and mechanical durability of the inclined cone structures are studied. These surfaces obtained in a short time with environmentally friendly fabrication can be applied in industries for water harvesting, droplet manipulation, and pipeline transportation.

Keywords

superhydrophobic anisotropy / laser precision engineering / micro/nano-structure / bio-inspired surface

References

[1] FengL, LiS, LiY, et al.. Super-hydrophobic surfaces: From natural to artificial [J]. Advanced Materials, 2002, 14(24): 1857-1860

[2] ChenH, ZhangP, ZhangL, et al.. Continuous directional water transport on the peristome surface of Nepenthes alata [J]. Nature, 2016, 532(7597): 85-89

[3] JuJ, BaiH, ZhengY, et al.. A multi-structural and multifunctional integrated fog collection system in cactus [J]. Nature Communication, 2012, 3: 1247

[4] SanchezC, ArribartH, GiraudG M M. Biomimetism and bioinspiration as tools for the design of innovative materials and systems [J]. Nature Materials, 2005, 4(4): 277-288

[5] GaoX, JiangL. Water-repellent legs of water striders [J]. Nature, 2004, 432(7013): 36

[6] ZhengY, BaiH, HuangZ, et al.. Directional water collection on wetted spider silk [J]. Nature, 2010, 4637281640-643

[7] LiP, ZhangB, ZhaoH, et al.. Unidirectional droplet transport on the biofabricated butterfly wing [J]. Langmuir, 2018, 34(41): 12482-12487

[8] ZhengY, GaoX, JiangL. Directional adhesion of superhydrophobic butterfly wings [J]. Soft Matter, 2007, 3(2): 178-182

[9] SpinnerM, GorbS N, BalmertA, et al.. Non-contaminating camouflage: Multifunctional skin microornamentation in the west African gaboon viper (bitis rhinoceros) [J]. PLoS One, 2014, 9(3): e91087

[10] ZhengL, ZhongY, GaoY, et al.. Coupling effect of morphology and mechanical properties contributes to the tribological behaviors of snake scales [J]. Journal of Bionic Engineering, 2018, 153481-493

[11] ZhaoY, SuY, HouX, et al.. Directional sliding of water: Biomimetic snake scale surfaces [J]. OptoElectronic Advances, 2021, 4(4): 210008

[12] BallP. Engineering shark skin and other solutions [J]. Nature, 1999, 4006744507-509

[13] LiJ, WeiY, HuangZ, et al.. Electrohydrodynamic behavior of water droplets on a horizontal super hydrophobic surface and its self-cleaning application [J]. Applied Surface Science, 2017, 403133-140

[14] YangZ, WangL, SunW, et al.. Superhydrophobic epoxy coating modified by fluorographene used for anti-corrosion and self-cleaning [J]. Applied Surface Science, 2017, 401: 146-155

[15] ChenF, LuY, LiuX, et al.. Table salt as a template to prepare reusable porous PVDF-MWCNT foam for separation of immiscible oils/organic solvents and corrosive aqueous solutions [J]. Advanced Functional Material, 2017, 27: 1702926

[16] GolovinK, DhyaniA, ThoulessM D, et al.. Low-interfacial toughness materials for effective large-scale deicing [J]. Science, 2019, 364(6438): 371-375

[17] LaiY, HuangJ, CuiZ, et al.. Recent advances in TiO₂-based nanostructured surfaces with controllable wettability and adhesion [J]. Small (Weinheim an Der Bergstrasse, Germany), 2016, 12(16): 2203-2224

[18] LiuY, GuH, JiaY, et al.. Design and preparation of biomimetic polydimethylsiloxane (PDMS) films with superhydrophobic, self-healing and drag reduction properties via replication of shark skin and SI-ATRP [J]. Chemical Engineering Journal, 2019, 356318-328

[19] LiD, FengS, XingY, et al.. Directional bouncing of droplets on oblique two-tier conical structures [J]. RSC Advances, 2017, 7: 35771-35775

[20] ŽemaitisA, MimidisA, PapadopoulosA, et al.. Controlling the wettability of stainless steel from highly-hydrophilic to super-hydrophobic by femtosecond laser-induced ripples and nanospikes [J]. RSC Advances, 2020, 10(62): 37956-37961

[21] ZhangJ, ChengZ, ZhengY, et al.. Ratchet-induced anisotropic behavior of superparamagnetic microdroplet [J]. Applied Physics Letters, 2009, 94(14): 144104

[22] ZhuangA, LiaoR, LuY, et al.. Transforming a simple commercial glue into highly robust superhydrophobic surfaces via aerosol-assisted chemical vapor deposition [J]. ACS Applied Materials & Interfaces, 2017, 94842327-42335

[23] ZhuY, WangJ, ZhangF, et al.. Zwitterionic nanohydrogel grafted PVDF membranes with comprehensive antifouling property and superior cycle stability for oil-in-water emulsion separation [J]. Advanced Functional Materials, 2018, 28(40): 1804121

[24] EllinasK, ChatzipetrouM, ZergiotiI, et al.. Superamphiphobic polymeric surfaces sustaining ultrahigh impact pressures of aqueous high- and low-surface-tension mixtures, tested with laser-induced forward transfer of drops [J]. Advanced Materials (Deerfield Beach, Fla), 2015, 27132231-2235

[25] TangM, HongM H, ChooY S, et al.. Super-hydrophobic transparent surface by femtosecond laser micro-patterned catalyst thin film for carbon nanotube cluster growth [J]. Applied Physics A, 2010, 101(3): 503-508

[26] MerkininkaitėG, AleksandravičiusE, MalinauskasM, et al.. Laser additive manufacturing of Si/ZrO₂ tunable crystalline phase 3D nanostructures [J]. Opto-electron Advances, 2022, 5: 210077

[27] ZhouR, LinS, ShenF, et al.. A universal copper mesh with on-demand wettability fabricated by pulsed laser ablation for oil/water separation [J]. Surface and Coatings Technology, 2018, 34873-80

[28] YanH, AbdulR M R B, KhewS Y, et al.. Wettability transition of laser textured brass surfaces inside different mediums [J]. Applied Surface Science, 2018, 427: 369-375

[29] LiY, HongM H. Parallel laser micro/nano-processing for functional device fabrication [J]. Laser & Photonics Reviews, 2020, 6: 1900062

[30] LivakasN, SkoulasE, StratakisE. Omnidirectional iridescence via cylindrically-polarized femtosecond laser processing [J]. Opto-electron Advances, 2020, 3190035

[31] JiaY C, WangS X, ChenF. Femtosecond laser direct writing of flexibly configured waveguide geometries in optical crystals: Fabrication and application [J]. Optoelectron Advances, 2020, 3190042

[32] ZhangC, LiS, WangL, et al.. Studies on the decomposing carbon dioxide into carbon with oxygen-deficient magnetite: II. The effects of properties of magnetite on activity of decomposition CO₂ and mechanism of the reaction [J]. Materials Chemistry and Physics, 2000, 6252-61

[33] TamauraY, TahataM. Complete reduction of carbon dioxide to carbon using cation-excess magnetite [J]. Nature, 1990, 346(6281): 255-256

[34] NgoC V, ChunD M. Fast wettability transition from hydrophilic to superhydrophobic laser-textured stainless steel surfaces under low-temperature annealing [J]. Applied Surface Science, 2017, 409: 232-240

[35] CassieA B D, BaxterS. Wettability of porous surfaces [J]. Transactions of the Faraday Society, 1944, 40546