Enhanced water transportation on a superhydrophilic serial cycloid-shaped pattern

Nanoscale, Journal Year: 2023, Volume and Issue: 15(27), P. 11473 - 11481

Published: Jan. 1, 2023

Spontaneous and directional water transportation (SDWT) is considered as an ideal method has a great prospect in the aerospace ship fields. Nonetheless, existing SDWT limitation of slow velocity because its geometry structure configuration, which hinders practical application SDWT. To overcome this limitation, we developed new superhydrophilic serial cycloid-shaped pattern (SSCP) was inspired by micro-cavity shape Nepenthes. First, experimentally found that on SSCP faster than wedge-shaped (SSWP) analyzed mechanism. Then, influence parameters investigated single-factor experiment. In addition, enhanced to 289 mm s-1 combining experiment, orthogonal optimization design, streamline junction transition optimization, pre-wet pattern, fastest Moreover, demonstrated superior capability long-distance transportation, gravity resistant heat transfer, fog collection. This finding shows remarkable prospects high-performance fluid system.

Language: Английский

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Femtosecond laser-chemical hybrid processing for achieving substrate-independent superhydrophobic surfaces

Journal of Central South University, Journal Year: 2024, Volume and Issue: 31(1), P. 1 - 10

Published: Jan. 1, 2024

Language: Английский

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Upcycling of thermosetting polymers into high-value materials

Materials Horizons, Journal Year: 2022, Volume and Issue: 10(1), P. 41 - 51

Published: Oct. 26, 2022

The strategies implemented for upcycling thermoset waste are first reviewed, followed by their strengths and weaknesses; lastly, future directions highlighted.

Language: Английский

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Structurally engineered 3D porous graphene based phase change composite with highly efficient multi-energy conversion and versatile applications

Composites Part B Engineering, Journal Year: 2024, Volume and Issue: 272, P. 111233 - 111233

Published: Jan. 17, 2024

Language: Английский

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Wettability transition of metallic surfaces from laser-generated superhydrophilicity to water-induced superhydrophobicity via a facile and eco-friendly strategy

Materials & Design, Journal Year: 2023, Volume and Issue: 226, P. 111691 - 111691

Published: Feb. 1, 2023

Superhydrophobic metallic surfaces exhibit superior self-cleaning and anti-corrosion properties, but facile pollution-free preparation of such remains a challenge. Herein, we propose an eco-friendly strategy by using ns-laser treatment followed simple hygrothermal (95%RH @ 80 °C), this is applicable to facilely preparing superhydrophobicity for various metals. Immediately after treatment, ultra-porous nano-fibers composed amorphous Al-Al2O3 mixture were produced, rendered aluminum surface superhydrophilic via local capillary forces. Counterintuitively, subsequent hydrothermal accelerated wettability transition superhydrophobicity, comparative analysis theoretical modelling strongly suggest that the mechanism deeply dominated nanostructure transformation. A roughened compact layer spherical AlOOH nanocrystals was reconstructed enable water droplet in Wenzel wetting state. Our results shed new insights into origin evolution commonly reported at processing/service stages, demonstrate novel method construct superhydrophobic surfaces.

Language: Английский

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A UV‐Resistant Heterogeneous Wettability‐Patterned Surface

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(42)

Published: July 14, 2023

Preparing UV-resistant heterogeneous wettability patterns is critical for the practical application of surfaces with wettability. However, combining superhydrophobic and superhydrophilic materials on challenging. Inspired by structure cell membranes, a wettability-patterned surface (UPS) designed via laser ablation coating multilayer structures. silica can be created in situ covered TiO2 nanoparticles. The UV resistance time UPS -based more than two orders magnitude higher that obtained other molecular modification methods require mask. cell-membrane-like regulates migration internal siloxane chain segments hydrophilic hydrophobic regions surface. enables efficient patterning functional under irradiation, controlling wetting behavior liquids open-air systems. Furthermore, its remains stable even after 50 h intense irradiation (365 nm, 500 mW cm-2 ). These patterned will likely applied microfluidics, culture, energy conversion, water collection future.

Language: Английский

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Highly thermal conductive epoxy composites enabled by 3D graphene/Cu-based dual networks for efficient thermal management

Composites Communications, Journal Year: 2024, Volume and Issue: 46, P. 101845 - 101845

Published: Feb. 1, 2024

Language: Английский

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Superhydrophobic surface with switchable wettability and self-monitoring for droplet transportation

Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: 51, P. 104547 - 104547

Published: May 29, 2024

Language: Английский

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Robust superhydrophobic copper oxide layer with high-low staggered structure on polymers for strong anti-icing and all-day de-icing

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 156332 - 156332

Published: Sept. 1, 2024

Language: Английский

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Different Roles of Surface Chemistry and Roughness of Laser-Induced Graphene: Implications for Tunable Wettability

ACS Applied Nano Materials, Journal Year: 2023, Volume and Issue: 6(18), P. 16201 - 16211

Published: July 10, 2023

The control of surface wettability is a technological key aspect and usually poses considerable challenges connected to high cost, nanostructure, durability, especially when aiming at patterning with extreme contrast. This work shows simple scalable approach by using laser-induced graphene (LIG) locally inert atmosphere continuously tune the polyimide/LIG from hydrophilic superhydrophobic (Φ ∼ 160°). related reduced amount oxygen on LIG surface, influenced local atmosphere. Furthermore, influence roughness pattern investigated. Both approaches are combined, chemistry discussed. Measurements roll-off angle show that scribed in an low has highest droplet mobility ΦRO = (1.7 ± 0.3)°. properties samples were maintained for over year showed no degradation after multiple uses. Applications surfaces contrast millifluidics fog basking demonstrated. Overall, proposed processing allows continuous tuning very accessible fashion useful "lab-on-chip" applications.

Language: Английский

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