Cu surfaces with controlled structures: From intrinsically hydrophilic to apparently superhydrophobic

Meng, Keke; Jiang, Yue; Jiang, Zhonghao; Lian, Jianshe; Jiang, Qing

doi:10.1016/j.apsusc.2013.11.075

Cited by 31 publications

(17 citation statements)

References 34 publications

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“…For example, cauliflower-like Ni Cu P alloy coatings [33], flower-like Co [34,35], cone-like Ni with round cap [36], flower-like Ag [37], aggregated nanoparticles of Au, CuCl and Cu 2 O [38], and multiscaled Cu [39][40][41]. We also found that the deposited dendritic Sn [42,43] and Bi [44] with surface oxides behaved superhydrophobic without artificial surface modifications.…”

Section: Introductionmentioning

confidence: 81%

Insights into the superhydrophobicity of metallic surfaces prepared by electrodeposition involving spontaneous adsorption of airborne hydrocarbons

Liu

Cao

Zhao

et al. 2015

Applied Surface Science

117

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Section: Introductionmentioning

confidence: 81%

Insights into the superhydrophobicity of metallic surfaces prepared by electrodeposition involving spontaneous adsorption of airborne hydrocarbons

Liu

Cao

Zhao

et al. 2015

Applied Surface Science

117

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“…Electric brush-plating technique, in which localised areas or entire items are plated using a brush saturated with plating electrolyte, is widely used in surface treatment and remanufacturing industries [17]. It has the advantages of simple device, easy operation, and high deposition rate as well as low cost and high throughput compared with other electroplating techniques [18]. In this Letter, a series of Ni coatings with excellent superhydrophobicity were fabricated by an improved electric brush-plating technique.…”

Section: Introductionmentioning

confidence: 99%

Influence of electric brush‐plating voltage on hydrophobic behaviour of a cauliflower‐like Ni coating surface

Fan

et al. 2018

Micro & Nano Letters

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The effect of the plating voltage on the surface roughness, morphology, chemical composition and wettability of the Ni coatings was investigated by means of Laser scanning confocal microscopy, scanning electronic microscope, X-ray diffraction, energy-dispersive spectroscopy, and water contact angle measurements. The results indicate that the evolution of surface morphology on Ni coatings prepared by brush-plating depends strongly on the variation of plating voltage. The microstructure characterization shows that the typical hierarchical cauliflower-like structures was formed uniformly on the as-prepared Ni coatings. The combination of the porous morphology and hierarchical cauliflower-like structures plays a crucial role in improving the hydrophobic property. In absence of surface chemical modification, the Ni coatings exhibit an excellent hydrophobicity and have a high contact angle of 141 degree. Based on the Cassie-Baxier models, the relationship of two dimensionless geometrical parameters and the wetting property of the Ni coatings were investigated. It was demonstrated that to obtain the stable Cassie hydrophobic state, the aspect ratio and the water contact angle on the basal surface should be as large as possible and the spacing factor should be limited within a specific range for given aspect ratio and water contact angle on the basal surface.

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“…Other puremetal surfaces, such as copper, nickel, tin, and bismuth, with superhydrophobicity have also been prepared successfully without furthers urface modification. [21][22][23][24] In addition, almost all of the reports concluded that the surfaces uperhydrophobicity of the pure metalsw as mainly due to the microstructures of the surface. In other words, superhydrophobicity of an intrinsic hydrophilic surface could be obtained by carefully controlling the surface roughness, and thus, modification with al ow-surface-energy materiali sn ot alwaysn eeded.…”

Section: Introductionmentioning

confidence: 99%

Green Approach to the Fabrication of Superhydrophobic Mesh Surface for Oil/Water Separation

Wang

Lei

et al. 2015

ChemPhysChem

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We report a simple and environment friendly method to fabricate superhydrophobic metallic mesh surfaces for oil/water separation. The obtained mesh surface exhibits superhydrophobicity and superoleophilicity after it was dried in an oven at 200 °C for 10 min. A rough silver layer is formed on the mesh surface after immersion, and the spontaneous adsorption of airborne carbon contaminants on the silver surface lower the surface free energy of the mesh. No low-surface-energy reagents and/or volatile organic solvents are used. In addition, we demonstrate that by using the mesh box, oils can be separated and collected from the surface of water repeatedly, and that high separation efficiencies of larger than 92 % are retained for various oils. Moreover, the superhydrophobic mesh also possesses excellent corrosion resistance and thermal stability. Hence, these superhydrophobic meshes might be good candidates for the practical separation of oil from the surface of water.

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Cu surfaces with controlled structures: From intrinsically hydrophilic to apparently superhydrophobic

Cited by 31 publications

References 34 publications

Insights into the superhydrophobicity of metallic surfaces prepared by electrodeposition involving spontaneous adsorption of airborne hydrocarbons

Insights into the superhydrophobicity of metallic surfaces prepared by electrodeposition involving spontaneous adsorption of airborne hydrocarbons

Influence of electric brush‐plating voltage on hydrophobic behaviour of a cauliflower‐like Ni coating surface

Green Approach to the Fabrication of Superhydrophobic Mesh Surface for Oil/Water Separation

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