Bioinspired self-repairing slippery surfaces with pressure-stable omniphobicity

  title={Bioinspired self-repairing slippery surfaces with pressure-stable omniphobicity},
  author={Tak-Sing Wong and Sung Hoon Kang and Sindy K. Y. Tang and Elizabeth J. Smythe and Benjamin D. Hatton and Alison Grinthal and Joanna Aizenberg},
Creating a robust synthetic surface that repels various liquids would have broad technological implications for areas ranging from biomedical devices and fuel transport to architecture but has proved extremely challenging. Inspirations from natural nonwetting structures, particularly the leaves of the lotus, have led to the development of liquid-repellent microtextured surfaces that rely on the formation of a stable air–liquid interface. Despite over a decade of intense research, these surfaces… 
Facile approach to design a stable, damage resistant, slippery, and omniphobic surface
Creating a robust omniphobic surface that repels various liquids would have broad technological implications for areas ranging from biomedical devices and fuel transport to architecture. The present
Fabrics coated with lubricated nanostructures display robust omniphobicity
SLPS-functionalized cotton and polyester fabrics exhibit decreased contact angle hysteresis and sliding angles, omni-repellent properties against various fluids including polar and nonpolar liquids, pressure tolerance and mechanical robustness, all of which are not readily achievable with the state-of-the-art superhydrophobic coatings.
Transparency and damage tolerance of patternable omniphobic lubricated surfaces based on inverse colloidal monolayers.
Colloidal templating is employed to design transparent, nanoporous surface structures that are highly defect-tolerant due to its interconnected, honeycomb wall structure, and repellency prevails after the application of strong shear forces and mechanical damage.
Biomimetic self-slippery and transferable transparent lubricant-infused functional surfaces.
A facile strategy has been proposed for constructing silica SLIPSs that exhibit transferable performance, which endows the surface with the possibility of meeting the various requirements of different conditions and demonstrates the enormous value of the application of the coatings in many fields.
Slippery Liquid-Attached Surface for Robust Biofouling Resistance.
This study offers a simple method to functionalize surfaces with robust slippery and antibiofouling properties, which is promising for potential applications including medical implants and biodevices.
Stalagmite-like self-cleaning surfaces prepared by silanization of plasma-assisted metal-oxide nanostructures
Effective self-cleaning coatings with liquid repellency are crucial for eliminating surface contamination and reducing drag force, which enables wide industrial applications. However, most coatings
Bioinspired Pressure-Tolerant Asymmetric Slippery Surface for Continuous Self-Transport of Gas Bubbles in Aqueous Environment.
Asymmetric slippery surfaces with a snowflake-like structure and a star-shaped structure were successfully fabricated for the real-world applications, both of which illustrated reliable performances in the continuous generation, directional transportation, and efficient collection of CO2 and H2 microbubbles.
Stable Oleoplaned Slippery Surfaces on Biomimetically Patterned Templates
With the advent of the technology of the oleoplaned slippery surfaces as the better solution to self-cleaning, anti fouling and self-healing smart surfaces, the stability of the oil layer on the
Biomimetic Slippery PDMS Film with Papillae-Like Microstructures for Antifogging and Self-Cleaning
Transparent materials with antifogging and self-cleaning ability are of extreme significance for utilization in outdoor solar cell devices to alleviate the performance loss and maintenance costs.
Moth-Eye Mimicking Solid Slippery Glass Surface with Icephobicity, Transparency, and Self-Healing.
This study suggests the use of icephobic, highly transparent, and self-healing solid slippery surface to overcome the limitations of both surfaces (SLIPS and SHP) by combining specific biomimetic morphology and intrinsic properties of paraffin wax.


Robust omniphobic surfaces
Four design parameters are proposed that predict the measured contact angles for a liquid droplet on a textured surface, as well as the robustness of the composite interface, based on the properties of the solid surface and the contacting liquid, that allow two different families of re-entrant surfaces to be produced.
Fabrication of Bioinspired Actuated Nanostructures with Arbitrary Geometry and Stiffness
There is a growing body of information describing natural structures with sophisticated design strategies, which lend the organisms and plants superior mechanical, optical, adhesive, self-cleaning, actuation, and sensing capabilities, which all comprise the goals for the next-generation smart artificial materials.
Quantitative testing of robustness on superomniphobic surfaces by drop impact.
The results show how this robustness depends on Young's contact angle θ(0) related to the surface tension of the liquid and that the orientational growth of nanowires is a favorable factor for robustness.
Underwater restoration and retention of gases on superhydrophobic surfaces for drag reduction.
This Letter finds surface structures that allow the restoration of a gas blanket from a wetted state while fully immersed underwater and designs a self-controlled gas-generation mechanism that maintains the SHPo condition under high liquid pressures as well as in the presence of surface defects, thus removing a fundamental barrier against the implementation of SHPo surfaces for drag reduction.
Imbibition by polygonal spreading on microdecorated surfaces.
Wetting on topographically patterned but chemically homogeneous surfaces is discussed and mechanisms of shape selection during imbibition of the texture are demonstrated, leading to a 'shape' diagram that summarizes observations and suggest rules for a designer's tool box.
Designing Superoleophobic Surfaces
It is shown how a third factor, re-entrant surface curvature, in conjunction with chemical composition and roughened texture, can be used to design surfaces that display extreme resistance to wetting from a number of liquids with low surface tension, including alkanes such as decane and octane.
Nanonails: a simple geometrical approach to electrically tunable superlyophobic surfaces.
In this work, dynamically tunable, superlyophobic surfaces capable of undergoing a transition from profound superlyophobic behavior to almost complete wetting have been demonstrated for the first
The Dry‐Style Antifogging Properties of Mosquito Compound Eyes and Artificial Analogues Prepared by Soft Lithography
Fogging occurs when moisture condensation takes the form of accumulated droplets with diameters larger than 190 nm or half of the shortest wavelength (380 nm) of visible light. This problem may be
Ultrahydrophobic and Ultralyophobic Surfaces: Some Comments and Examples
The preparation of ultrahydrophobic and ultralyophobic surfaces using several techniques is described. Plasma polymerization of 2,2,3,3,4,4,4-heptafluorobutyl acrylate on poly(ethylene terephthalate)
Evidence for self-cleaning in gecko setae.
  • W. Hansen, K. Autumn
  • Biology
    Proceedings of the National Academy of Sciences of the United States of America
  • 2005
It is demonstrated that gecko setae are a self-cleaning adhesive and proposed that the property of self- Cleaning is intrinsic to the setal nanostructure and therefore should be replicable in synthetic adhesive materials in the future.