A review on applications of functional superhydrophobic surfaces prepared by laser biomimetic manufacturing

Liu, Yang; Wu, Mingyi; Zhang, Zhaoyang; Lu, Jinzhong; Xu, Kun; Zhu, Hao; Wu, Yucheng; Wang, Bo; Lei, Weining

doi:10.1007/s10853-023-08217-9

Cited by 21 publications

(7 citation statements)

References 189 publications

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“…In particular, at these zones, the material is molten and partially ablated (evaporated) forming the valleys of the structure which is driven by the recoil pressure as explained elsewhere. [13,14] In the case of DLW treatment, significantly different surface structures were produced, as shown in Figure 2d,e,i,j. As can be seen, the topography of the samples with equal laser fluences depicts a more random surface architecture (see SEM images in Figure 2d,e).…”

Section: Laser Structuring Of the Aluminum 2024 Surfacesmentioning

confidence: 99%

“…[12] Wang et al also fabricated superhydrophobic surfaces (WCA of 158°) on Al samples that exhibited an improvement in the corrosion behavior but applied the sol-gel method. [13] A significant drawback of chemical-based methods lies in their reliance on environmentally toxic reagents [10,14] that can lead also to high production costs. [15,16] Laser-based microfabrication methods have been developed to create superhydrophobic surfaces on metals.…”

Section: Introductionmentioning

confidence: 99%

“…A significant drawback of chemical‐based methods lies in their reliance on environmentally toxic reagents [ 10,14 ] that can lead also to high production costs. [ 15,16 ]…”

Section: Introductionmentioning

confidence: 99%

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On the Corrosion Properties of Aluminum 2024 Laser‐Textured Surfaces with Superhydrophilic and Superhydrophobic Wettability States

Zschach,

Baumann,

Soldera

et al. 2023

Adv Materials Inter

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In this work, the mechanism of the corrosion behavior of laser‐treated aluminum is studied. Two different laser techniques are used to fabricate the samples, direct laser interference patterning (DLIP) and direct laser writing (DLW), using nanosecond laser sources. The DLIP treatment uses a two‐beam optical configuration producing line‐like periodic structures. The DLW technique is employed to produce non‐periodic structures on the Al‐surface with the same cumulated fluences as in DLIP. The surface topography is analyzed by confocal microscopy, and the formation of oxide layers is investigated by scanning electron microscopy of cross‐sections produced using a focused ion beam. Wetting measurements performed on the laser‐treated samples exhibit a contrasting behavior, leading to either superhydrophobic or superhydrophilic states. In the case of the DLIP treatment, the static water contact angle is increased from 81° up to 158°, while for DLW, it decreases to 3°. Electrochemical tests demonstrate a decreased corrosion rate after laser treatment. Additionally, findings indicate no correlation between wettability and corrosion reduction. Therefore, the improvement in corrosion resistance is mainly attributed to the oxide layer formed by laser treatment. Although similar corrosion rates are achieved for both treatments, surfaces produced with DLIP can be beneficial when additional surface properties are required.

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Section: Laser Structuring Of the Aluminum 2024 Surfacesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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On the Corrosion Properties of Aluminum 2024 Laser‐Textured Surfaces with Superhydrophilic and Superhydrophobic Wettability States

Zschach,

Baumann,

Soldera

et al. 2023

Adv Materials Inter

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“…Although microtexture laser processing provides an excellent oil−water separation effect, it still needs further research. 31 A few oil−water separation materials have been obtained by direct laser processing and electrodeposition processing technology, though most materials with micro-porous arrays and micro/nanostructures still require chemical modification to achieve an oil−water separation effect. Among the existing processing techniques, laser processing and electrodeposition methods 32 are simple and fast, with the advantages of environmental protection, low cost, and a rich surface topography, 33,34 and are still widely utilized.…”

Section: ■ Introductionmentioning

confidence: 99%

“…The vapor deposition method has advantages in terms of controlling the surface morphology, but this approach will consume more energy and has a higher cost. Although microtexture laser processing provides an excellent oil–water separation effect, it still needs further research . A few oil–water separation materials have been obtained by direct laser processing and electrodeposition processing technology, though most materials with microporous arrays and micro/nanostructures still require chemical modification to achieve an oil–water separation effect.…”

Section: Introductionmentioning

confidence: 99%

Laser Electrochemical Deposition Hybrid Preparation of an Oil–Water Separation Mesh with Controllable Pore Diameter Based on a BP Neural Network

Wang

Ren

et al. 2023

Langmuir

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With the increasing problem of water pollution, oil–water separation technology has attracted widespread attention worldwide. In this study, we proposed laser electrochemical deposition hybrid preparation of an oil–water separation mesh and introduced a back-propagation (BP) neural network model to realize the regulation of metal filter mesh. Among them, the coating coverage and electrochemical deposition quality were improved by laser electrochemical deposition composite processing. Based on the BP neural network model, the pore size after electrochemical deposition could be obtained only by inputting the processing parameters into the model, enabling the prediction and control of the pore size of the processed stainless-steel mesh (SSM), and the maximum residual difference between the predicted value and the experimental value was 1.5%. According to the oil–water separation theory and practical requirements, the corresponding electrochemical deposition potential and electrochemical deposition time were determined by the BP neural network model, which reduced the cost and time loss. In addition, the prepared SSM was found to achieve efficient separation of oil and water mixtures, reaching 99.9% separation efficiency in a combination with oil–water separation, along with other performance tests without chemical modification. The prepared SSM showed good mechanical durability and the separation efficiency exceeded 95% after sandpaper abrasion, thus, still maintaining the separation ability of oil–water mixture. Compared to other similar preparation methods, the method proposed in this study has the advantages of controllable pore size, simplicity, convenience, environmental friendliness, and durable wear resistance, offering important application potential in the treatment of oily wastewater.

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Study of superhydrophobicity and corrosion resistance of electrodeposited Zn-Ni-HDTMS coating

Wei,

Zhang,

et al. 2024

J Solid State Electrochem

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A review on applications of functional superhydrophobic surfaces prepared by laser biomimetic manufacturing

Cited by 21 publications

References 189 publications

On the Corrosion Properties of Aluminum 2024 Laser‐Textured Surfaces with Superhydrophilic and Superhydrophobic Wettability States

On the Corrosion Properties of Aluminum 2024 Laser‐Textured Surfaces with Superhydrophilic and Superhydrophobic Wettability States

Laser Electrochemical Deposition Hybrid Preparation of an Oil–Water Separation Mesh with Controllable Pore Diameter Based on a BP Neural Network

Study of superhydrophobicity and corrosion resistance of electrodeposited Zn-Ni-HDTMS coating

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