Anti-fouling properties of microstructured surfaces bio-inspired by rice leaves and butterfly wings

Bixler, Gregory D.; Theiss, Andrew; Bhushan, Bharat; Lee, Stephen C.

doi:10.1016/j.jcis.2013.12.019

Cited by 211 publications

(157 citation statements)

References 70 publications

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“…Superhydrophobic mechanism.-SEM images combined with EDS, FTIR and XPS characterizations demonstrate that hierarchical micro/nanonodules structures are generated and Mg[CH 3 (CH 2 ) 12 COO] 2 with low surface energy is prepared on the AS and CS. Fig.…”

Section: Resultsmentioning

confidence: 99%

“…There are three explanations of this phenomenon. First, the passivation of the AS by forming an oxide layer may slow down the reaction that AS can be oxidized and the released Mg 2+ will react with CH 3 (CH 2 ) 12 Corrosion resistance performance.-To investigate the corrosion resistance of the ASSC and CSSC, potentiodynamic polarization is applied to estimate the instantaneous corrosion rate of those surfaces. From polarization curves, the E corr and i corr parameters can be obtained, which reflect the electrochemical corrosion behavior clearly.…”

Section: Resultsmentioning

confidence: 99%

“…[1][2][3][4][5][6][7] The research on biological surfaces, such as lotus leaves, rose petals, water striders, butterfly wings and rice leaves [8][9][10][11][12] has demonstrated that the superhydrophobic/superoleophilic properties of a surface are governed by the surface chemistry and unique micro/nanostructures. Up to now, numerous methods have been reported in constructing superhydrophobic/superoleophilic surfaces including chemical vapor deposition, 13 chemical etching, [14][15][16] hydrothermal, 17 sol-gel, 18 electrospinning, 19,20 laser treatment of surface.…”

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confidence: 99%

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Simultaneously Fabricating Multifunctional Superhydrophobic/Superoleophilic Coatings by One-Step Electrodeposition Method on Cathodic and Anodic Magnesium Surfaces

Zhao

Kang

2016

J. Electrochem. Soc.

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A one-step electrodeposition method was developed to simultaneously prepare multifunctional superhydrophobic/superoleophilic coatings on cathodic and anodic magnesium surfaces, which was conducted in an ethanol solution containing magnesium nitrate and myristic acid. The morphology, wettability and chemical composition were characterized, which indicated that the low surface energy material (magnesium myristate) and hierarchical structures were generated on surfaces of the anode and cathode during this process. Water contact angles (CAs) of the coatings were greater than 150 • and sliding angles (SAs) were less than 6 • . Moreover, contact angles of olive oil, benzene, methylbenzene and dichloromethane were 0 • . The corrosion potentials (E corr ) of the anodic and cathodic superhydrophobic/superoleophilic coatings increased and corrosion current density (i corr ) decreased by 2 orders of magnitude, showing excellent corrosion resistance. Oil absorption tests showed that the superhydrophobic and superoleophilic property remained and the oil absorption capacities of the prepared coatings were 4.65 g/g and 7.62 g/g respectively even after 10 times of oil absorption and deoiling. Moreover, the anodic and cathodic superhydrophobic/superoleophilic coatings exhibited outstanding self-cleaning ability, chemical, long-term storage and mechanical stabilities. Since the substrates are bulk materials, this method may have a promising future in enlarging the applications of magnesium alloys. Solid surfaces with special wettability, such as superhydrophobic (with a water CA higher than 150• and SA less than 10 • ) or superoleophilic surfaces (with an oil CA less than 10• ) have been intensively studied due to their practical applications in diverse areas, such as self-cleaning, anti-fouling, anti-corrosion and oil/water separation.1-7 The research on biological surfaces, such as lotus leaves, rose petals, water striders, butterfly wings and rice leaves [8][9][10][11][12] has demonstrated that the superhydrophobic/superoleophilic properties of a surface are governed by the surface chemistry and unique micro/nanostructures. Up to now, numerous methods have been reported in constructing superhydrophobic/superoleophilic surfaces including chemical vapor deposition, 13 chemical etching, 14-16 hydrothermal, 17 sol-gel, 18 electrospinning, 19,20 laser treatment of surface. 21 However, many methods emphasize the coexistence of the low surface energy and surface roughness to obtain superhydrophobicity, resulting in lots of tedious treatments or involving expensive materials. Luckily, electrodeposition has been emerged as an effective technique to fabricate superhydrophobic/superoleophilic surfaces because it has advantages of easy control, simplicity, low temperature, low cost and the ability to make large-area surfaces. [22][23][24] Currently, a large number of published works are focused on fabricating superhydrophobic films on cathodic surfaces by electrodeposition method.25-28 Unfortunately, few published literature concerne...

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

mentioning

confidence: 99%

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Simultaneously Fabricating Multifunctional Superhydrophobic/Superoleophilic Coatings by One-Step Electrodeposition Method on Cathodic and Anodic Magnesium Surfaces

Zhao

Kang

2016

J. Electrochem. Soc.

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“…Bhushan is also tackling the problem of biofouling 5 , where bacteria and other organisms form hard-to-remove colonies on a surface. The US Navy estimates that it spends US$56 million a year dealing with biofouling, from cleaning hulls to the extra fuel used to counteract drag.…”

Section: Drop Zonementioning

confidence: 99%

Synthetic coatings: Super surfaces

Savage¹

2015

Nature

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“…TiO 2 has been studied for its potential use in water purification and air and water decontamination. TiO 2 is being considered in relation to applications in antireflection materials, biosensors (Bixler et al, 2014), photoelectron catalysis (Zhao et al, 2014) and solar cells (Liu et al, 2013a). With regards to photocatalytic properties, TiO 2 composites are generally considered the best for their physical and chemical characteristics.…”

Section: Introductionmentioning

confidence: 99%

Recent Progress in Self-Cleaning Materials with Different Suitable Applications

Chermahini¹,

Ostad‐Ali‐Askari²,

Eslamian³

et al. 2018

American Journal of Engineering and Applied Sciences

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Self-cleaning properties have received significant attention for the importance of their potential. Coatings at Nano-scales offer possibilities of using materials for self-cleaning surfaces. Recent efforts have begun to focus on the kinds of materials including metals, semiconductors and polymers. Such materials can have enormous potential in only a few applications. Moreover, the production of these materials requires high costs with low photo activity. In this regard, TiO 2 and its derived materials have shown acceptable and effective suggestions for this application. Moreover, the mechanism of self-cleaning has been explained by the effect of hydrophilic and hydrophobic. Hydrophilic and hydrophobic can have many applications in different areas like water purification, microfluidics and photovoltaic. In this review, the application of self-cleaning in solar cells and environment as well as TiO 2 derived materials and their applications in water management have been briefly illustrated. In addition, it has been explained that a huge number of self-cleaning materials, applications and improvement in utilities have been essential. In short, we have conducted a comprehensive review of the new approach and to mention numerous materials with hydrophobic and hydrophilic properties would be promising for most environmental concerns. Bio-inspired surface respond in nature through hydrophobic (Cicada Wing, Butterfly Wing, Lotus Leaf, Rice Leaf) and hydrophilic (Fish Scale, Snail Shell, Shark Skin) properties was divided in 4 and 3 respectively. Anti reflective coatings with self-cleaning properties have drowned considerable attention for both their basic appearances and vast applied usages. Antireflective coatings with self-cleaning properties have been considered because of their fascinating features and vast diversity of empirical uses.

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Anti-fouling properties of microstructured surfaces bio-inspired by rice leaves and butterfly wings

Cited by 211 publications

References 70 publications

Simultaneously Fabricating Multifunctional Superhydrophobic/Superoleophilic Coatings by One-Step Electrodeposition Method on Cathodic and Anodic Magnesium Surfaces

Simultaneously Fabricating Multifunctional Superhydrophobic/Superoleophilic Coatings by One-Step Electrodeposition Method on Cathodic and Anodic Magnesium Surfaces

Synthetic coatings: Super surfaces

Recent Progress in Self-Cleaning Materials with Different Suitable Applications

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