Life and death of liquid-infused surfaces: a review on the choice, analysis and fate of the infused liquid layer

Peppou-Chapman, Sam; Hong, Jun Ki; Waterhouse, Anna; Neto, Chiara

doi:10.1039/d0cs00036a

Cited by 246 publications

(265 citation statements)

References 330 publications

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“…A 5086 Al surface shows a WCA of 82.6 ± 5.7°, and a remarkably lower value of 44.2 ± 2.8° was measured on AAO surface. However, the WCA of the F‐AAO surface was 134 ± 6.2°, which was larger than that on the AAO surface, owing to the air remaining in the pores 34 . The contact angle of the SLIPS was 108.2 ± 1.8°.…”

Section: Resultsmentioning

confidence: 90%

“…The equations are expressed as follows:

Δ E_{1} = E_{A} - E_{1} = R ((), γ_{B} \cos θ_{B} - γ_{A} \cos θ_{A}) - γ_{AB} > 0

Δ E_{2} = E_{A} - E_{1} = R ((), γ_{B} \cos θ_{B} - γ_{A} \cos θ_{A}) + γ_{A} - γ_{B} > 0

where γ A , γ B , and γ AB are the surface tensions of the Liquid A (test liquid)–vapor interface, Liquid B (lubricating liquid)–vapor interface, and Liquid A–Liquid B interface, respectively. θ A is the WCA of Liquid A and θ B is WCA of Liquid B on a flat surface 12,32–34 . R represents the roughness factor, calculated by the WCA of by the WCA for a rough surface and a smooth surface ( R =

\frac{\cos θ_{r}}{\cos θ}

) 35 .…”

Section: Resultsmentioning

confidence: 99%

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Fabrication of biomimetic slippery liquid‐infused porous surface on 5086 aluminum alloy with excellent antifouling performance

Yang

Chang

et al. 2020

Surface & Interface Analysis

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Biofouling triggers extensive research in ship tribology. Antifouling technology has garnered great attention as a solution for biofouling; thus, biomimetic lubricant‐infused surfaces are developed as alternatives to superhydrophobic surfaces. In this study, we developed slippery liquid‐infused porous surfaces (SLIPS) by infusing perfluoropolyether oil into porous anodic aluminum oxide (AAO) surfaces using a vacuum impregnation device. The oil settled firmly in the AAO surfaces owing to the strong capillary forces in the pores, thus forming a lubricating layer with a low contact angle hysteresis and long‐term slippery condition. SLIPS exhibited an excellent antifouling performance by reducing 98.4% of Phaeodactylum tricornutum. The coefficient of biofilm formed by the microorganisms was also investigated. The results confirmed that the lubricating layer impeded the formation of biofilm. This research provides valuable information for the fabrication of SLIPS and its antifouling mechanism.

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Section: Resultsmentioning

confidence: 90%

“…The equations are expressed as follows:

Δ E_{1} = E_{A} - E_{1} = R ((), γ_{B} \cos θ_{B} - γ_{A} \cos θ_{A}) - γ_{AB} > 0

Δ E_{2} = E_{A} - E_{1} = R ((), γ_{B} \cos θ_{B} - γ_{A} \cos θ_{A}) + γ_{A} - γ_{B} > 0

\frac{\cos θ_{r}}{\cos θ}

) 35 .…”

Section: Resultsmentioning

confidence: 99%

Fabrication of biomimetic slippery liquid‐infused porous surface on 5086 aluminum alloy with excellent antifouling performance

Yang

Chang

et al. 2020

Surface & Interface Analysis

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“…Recently, SLIPS inspired by the slippery surface of Nepenthes has attracted tremendous amount of attention due to its superior water repellency. [ 115,116 ] First report by Aizenberg's group demonstrated that the presence of an immobilized liquid layer of fluorinated oil on polytetrafluoroethylene surface could significantly reduce biofilm attachment under static conditions or gentle flow. [ 117 ] Later they found similar trend in oil‐infused PDMS samples than noninfused ones.…”

Section: Biomimetic Antifouling Surface Technologiesmentioning

confidence: 99%

“…Due to concerns around the environmental safety and the high carbon footprint of the production of synthetic oils, plant oils such as argan oil, castor oil, or coconut oil have been considered as suitable candidates for the replacement. [ 115 ]…”

Section: Biomimetic Antifouling Surface Technologiesmentioning

confidence: 99%

Recent Progress of Biomimetic Antifouling Surfaces in Marine

Yan

et al. 2020

Adv Materials Inter

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2000966 (4 of 18) www.advmatinterfaces.de Figure 9. a) Experimental results of biofilm streamers expanded rapidly and caused clogging over a short time. Reproduced with permission. [154] Copyright 2013, National Academy of Sciences. b) Under no-flow conditions, the bacteria exhibited circular swimming trajectories, and when the flow was changed to a moderate shear rates, the bacteria quickly aligned facing upstream and swimming toward upstream continuously. Reproduced with permission. [151] Copyright 2012, Biophysical Society. c) Kymograph of microscope images of an attached bacterium moving against flow, and conceptual illustration showing the changes in the structure of pili for uncoiling and the two regimes in bacterial retraction. Reproduced with permission. [152]

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“…[ 1–3 ] Inspired by the microstructured surface of the Nepenthes pitcher plant, LIS have a micro‐ and nano‐scale surface roughness which traps by capillarity a thin layer of an infused liquid, typically a lubricant. [ 3 ] The stable infusion with a lubricant is related to low values of droplet roll‐off angle (≤5°) and low contact‐angle hysteresis (≤5°), which typically result in low adhesion of aqueous solutions and most other liquids incompatible with the lubricant. As a result, LIS have antiadhesive and self‐cleaning properties and repel most types of fouling, including micro‐organisms (bacteria [ 4–6 ] ).…”

Section: Introductionmentioning

confidence: 99%

Antifouling Properties of Liquid‐Infused Riblets Fabricated by Direct Contactless Microfabrication

Fenati

Quinn²,

Bilinsky³

et al. 2020

Adv Eng Mater

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The fabrication of riblets and surfaces structured with aligned grooves, by direct contactless microfabrication (DCM), and the ability of the riblets to function as lubricant‐infused surfaces, is reported. Three types of riblets are fabricated with features (width, height, and period) on the micrometric scale, and with two different UV‐crosslinkable coatings. Riblets with width 10 μm, period 40 μm, and height 30 μm show high water repellence as prepared (water contact angle [WCA] 147°) and, once infused with silicone oil 10 cSt, result in water droplets rolling off the surface at tilt angles of 10°. These riblets are effective at reducing the attachment of marine bacteria, both in the as‐prepared and infused form. The DCM process produces structured surfaces over large areas (10 × 10 cm2) in a few minutes and using inexpensive materials, making mechanically robust surfaces. The DCM process is scalable to the large surface areas required for marine and other applications. The low roll‐off angles and the bacterial inhibition results achieved on the riblets indicate that riblets are an up‐scalable and nontoxic alternative to more complicated fabricated techniques, with potential as antifouling and drag‐reducing coatings.

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Life and death of liquid-infused surfaces: a review on the choice, analysis and fate of the infused liquid layer

Abstract: We review the rational choice, the analysis, the depletion and the properties imparted by the liquid layer in liquid-infused surfaces – a new class of low-adhesion surface.

Cited by 246 publications

References 330 publications

Fabrication of biomimetic slippery liquid‐infused porous surface on 5086 aluminum alloy with excellent antifouling performance

Fabrication of biomimetic slippery liquid‐infused porous surface on 5086 aluminum alloy with excellent antifouling performance

Recent Progress of Biomimetic Antifouling Surfaces in Marine

Antifouling Properties of Liquid‐Infused Riblets Fabricated by Direct Contactless Microfabrication

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