Interfacial fluid manipulation with bioinspired strategies: special wettability and asymmetric structures

Chemical Society Reviews, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Bioinspired fluid manipulating interfaces possessing special wettability, an asymmetric structure, and a geometric gradient were systematically reviewed, including history, classification, mechanisms, fabrication applications.

Язык: Английский

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Smart Directional Liquid Manipulation on Curvature-Ratchet Surfaces

ACS Nano, Год журнала: 2025, Номер unknown

Опубликована: Янв. 30, 2025

Structured surfaces leverage interfacial energy for directional liquid manipulation without external power, showing tremendous potential in microfluidics, green and biomedical applications. While the interplay of between solid liquids is crucial manipulation, a systematic understanding how balance liquid–solid affects behaviors remains lacking. Here, using curvature-ratchet surface as generic example, we reveal complex dynamics inherent subtle regulation energy. We show that curvature tilt features regulate Laplace pressure asymmetry to enable directional, bidirectional reverse manipulation. These processes can be modulated by free tension, define their ratio new dimensionless number ζ characterize relationship. The balanced control happens when ∼ 1, which facilitates versatile behaviors, e.g., fan-shaped spreading, gradient-induced redirection, back-and-forth transport on various array arrangements, all resulting from matching structural designs with proper ζ. Inspired this, showcase an innovative liquid-based information encryption technique, where displays correct preprogrammed only at designated values. This study lays groundwork smart broadens its application domains.

Язык: Английский

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Rice leaves microstructure-inspired high-efficiency electrodes for green hydrogen production

Nanoscale, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Rice leaves inspired the development of an anisotropic microstructured gas conduction electrode featuring rapid desorption and transfer bubbles to achieve highly efficient hydrogen production.

Язык: Английский

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Vampire bat's tongue-inspired superhydrophilic flexible origami channel for directional and spontaneous liquid manipulation

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(27), С. 16373 - 16382

Опубликована: Янв. 1, 2024

An improved bat-tongue-inspired superhydrophilic origami channel with liquid manipulation and collecting ability.

Язык: Английский

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Superfast nanodroplet propulsion in 2D nanochannels tuned by strain gradients

Nanoscale, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Superfast motion of nanodroplets driven by strain gradients.

Язык: Английский

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Dual-bioinspired Janus mesh membrane with controllable bubbles manipulation property for efficient water splitting and pure gas collection

Journal of Colloid and Interface Science, Год журнала: 2024, Номер 682, С. 629 - 642

Опубликована: Ноя. 30, 2024

Язык: Английский

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Leaf Vein-Inspired Superhydrophilic Microchannels for Sustainable Fog Collection

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(39), С. 53252 - 53260

Опубликована: Сен. 19, 2024

Fog collection is a promising solution for mitigating the urgent water shortage around world. Despite delicate design of various bionic fog harvesting surfaces with prowess to enable fast capture and programmed transport, achieving sustainable efficient by regulating macroscale surface refreshment efficacy remains rarely concerned yet effective. Here, we proposed bioinspired structural achieve significant improvement on 46.47%, nearly 5 times larger than that conventional design. Specifically, constructed superhydrophilic vein-like microchannels superhydrophobic brass using laser texture technology hydrothermal treatment. Our microchannel acts as "highway" synergically transporting converging collected droplets, well rapidly refreshing large area subsequent collection, reminiscent leaf veins responsible persistent mass transport between plant tissues. The practical implementation also convinced our maximum efficiency up 506.67 mg cm

Язык: Английский

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Optimizing Hygroscopic Metal–Organic Frameworks via EDTA‐Mediated Structural Reinforcement and Photothermal Modification

Advanced Functional Materials, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 16, 2024

Abstract Hygroscopic metal–organic frameworks (MOFs) are considered as superior moisture sorbents due to their highly adjustable and desired water adsorption/release performance, enabling effective atmospheric harvesting (AWH) in arid regions. However, the adsorption capacity, recycling stability, functionality of current MOFs should be further improved meet requirements practical AWH systems. Here hydrophilicity at low relative humidity (RH) cycling stability MOF‐808 simultaneously enhanced through ethylenediaminetetraacetic acid (EDTA)‐mediated post‐modification. Based on structural reinforcement, EDTA‐modified (E‐MOF‐808) delivers a stable uptake capacity 0.39 g −1 25% RH even after 50 adsorption–desorption cycles, more than five times that pristine MOF‐808. In addition, bridging by EDTA with strong chelating ability, E‐MOF‐808 can spontaneously capture Cu 2+ for functional improvement. Accordingly, light‐absorbing CuS nanoparticles situ decorated facilitating solar‐driven release. It is envisioned this EDTA‐mediated function enhancement provide valuable insights into all‐in‐one design versatile sorbents.

Язык: Английский

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Droplet Green Chemistry Using Thermally Shape-Reconfigurable Omniphobic Colloidosomes

Chemistry of Materials, Год журнала: 2024, Номер unknown

Опубликована: Июнь 21, 2024

A high-yield, lossless chemical reaction conducted under ambient conditions is promising for green chemistry. However, owing to the sticky feature of liquids on solid surfaces and high volatility useful primary solvents, "droplet chemistry" far from practical use. Thus, a droplet platform that prevents both evaporation adhesion losses promising. Herein, we report versatile method encapsulation with poly(octadecyl acrylate) (PODAc) based colloidosome technique. The PODAc colloidosomes are mechanochemically stable thermally shape-reconfigurable while maintaining their surface omniphobicity. This enabled load typical regardless tension without experiencing or loss, transport like beads, release inner liquid on-demand by heating NIR light irradiation. mass-producible recyclable via simple thermomechanical process. As proof concept, different droplet-scale reactions demonstrated in using volatile microliter solvent reactants.

Язык: Английский

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Gradient-Wettable Multiwedge Patterned Surface for Effective Transport of Droplets against the Temperature Gradient

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(45), С. 62979 - 62987

Опубликована: Ноя. 4, 2024

With the rapid advancement of electronic integration technology, requirements for working environment and stability heat dissipation equipment have become increasingly stringent. Consequently, studying a high-efficiency gas–liquid two-phase transfer surface holds significant importance. Aiming at limited liquid transport performance caused by temperature gradient in process, this paper combines wetting with shape proposes gradient-wettable multiwedge patterned surface, where droplets can be transported over long distances high velocities. In paper, effect average on droplet is investigated designing hydrophilic pattern adjusting properties hydrophobic region. The study focuses resistance gradient-wettable, surfaces, providing mechanistic explanation surface's ability to resist gradients through theoretical analysis. It shown that wettability has better hinders movement, still achieve ∼38 mm an speed ∼158 mm/s under 0.59 °C/mm. research provides some insights into application surfaces contributes methods integrated environments.

Язык: Английский

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