Smart Directional Liquid Manipulation on Curvature-Ratchet Surfaces

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 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.

Language: Английский

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Advancing Efficiency in Solar-Driven Interfacial Evaporation: Strategies and Applications

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: March 8, 2025

Solar-driven interfacial evaporation (SDIE) has emerged as a promising technology for addressing global water scarcity by utilizing solar-thermal conversion and at the air/material/water interface. The exceptional performance of these systems attracted significant interest; it is imperative to establish rigorous scientific standards evaluating effectiveness, optimizing system design, ensuring efficient practical applications. In this Review, we propose consensus criteria accurately assessing guiding future advancements. We then explore fundamental mechanisms driving synergy, emphasizing how material compositions, microscopic hierarchical structures, macroscopic three-dimensional spatial architecture designs enhance solar absorption photothermal conversion; balance heat confinement with pathway optimization; manage salt resistance; regulate enthalpy during vaporization. These matched coordination strategies are crucial maximizing target SDIE efficiency. Additionally, investigate applications technologies, focusing on cutting-edge progress versatile purification, combined atmospheric harvesting, collection, electric generation, deicing. Finally, highlight challenges exciting opportunities advancing research, efforts integrate principles, system-level collaboration, application-driven approaches boost sustainable highly energy technologies. By linking evaluation optimization influencing factors, offer comprehensive overview field outlook that promotes clean production synergistic

Language: Английский

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Solid-liquid interface charge transfer for generation of H2O2 and energy

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: Feb. 16, 2025

Solid-liquid contact electrification is a widespread interface phenomenon in nature. Recent research and theory demonstrate that electron transfer during this process holds the potential to initiate interfacial chemical reactions. Here, we design dual-functional device for generation of H2O2 energy. Interfacial reactions solid-liquid charging occur simultaneously liquid phase flow process. Specifically, at induces formation hydroxyl radicals (·OH) phase, leading spontaneous H2O2. The charges accompanied by energy transfer. By designing an external electrode structure, can effectively harvest from flowing yielding output power up 5.8 kW/m3 water. During water, electrons between solid phases leads simultaneous charging.

Language: Английский

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Piezoelectric catalytic process: A genuinely energy-saving approach for water Treatment? A critical review

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 155956 - 155956

Published: Sept. 1, 2024

Language: Английский

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Fluid Control on Bionics-Energized Surfaces

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Engineered surfaces play a vital role in various fluid applications, serving specific functions such as self-cleaning, anti-icing, thermal management, and water energy harvesting. In nature, biological surfaces, particularly those displaying physiochemical heterogeneity, showcase remarkable behaviors functionalities, offering valuable insights for artificial designs. this Review, we focus on exploring the fascinating phenomena observed natural manipulation of fluids bioengineered with particular emphasis droplets, liquid flows, vapor flows. We delve into fundamental principles governing symmetric motion homogeneous directed heterogeneous surfaces. discuss surface design strategies tailored to different scenarios, outlining strengths limitations engineered applications. Additionally, challenges faced by real-world applications are put forward. By highlighting promising research directions, hope stimulate advancements bioinspired engineering science, paving way future developments.

Language: Английский

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Electro-mechano transduction of stacked triboelectric nanogenerator considering wave force: Modeling, validation and applications

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153738 - 153738

Published: July 4, 2024

Language: Английский

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Experimental and numerical investigation on heat transfer mechanism and multifunctional thermodynamic properties of supercritical carbon dioxide/amino-functionalized graphene nanofluids

International Journal of Heat and Mass Transfer, Journal Year: 2025, Volume and Issue: 241, P. 126702 - 126702

Published: Jan. 21, 2025

Language: Английский

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Artificial intelligence-assisted wearable electronics for human-machine interfaces

Device, Journal Year: 2025, Volume and Issue: unknown, P. 100707 - 100707

Published: Feb. 1, 2025

Language: Английский

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Wirelessly controlled drug delivery systems for translational medicine

Nature Reviews Electrical Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: March 25, 2025

Language: Английский

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Liquid Adhesion Regulation on Bioinspired Slippery Surfaces: From Theory to Application

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

Regulation of liquid adhesion on functional surfaces has attracted increasing attention due to its significant implications for fundamental research in manipulation and a wide array applications. Inspired by the slippery peristomes Nepenthes pitcher plants, concept with regulatable under external stimuli was proposed demonstrated. This review concentrates advancements regulation these bioinspired surfaces. Initially, we provide concise introduction basic theory design criteria stable Following this, summarize characterization methods influence factors We then categorize smart modes into four key aspects: modulating lubricant's phase, thickness, structure, interactions between lubricant repellent liquid. Additionally, systematically emphasize multibehavioral strategies, such as movement, merging, splitting, bouncing, rotating, along emerging applications surfaces, including pipetting devices, fog collection, microreactors, biochips, nanogenerators. Finally, discuss remaining challenges future perspectives regulating potential

Language: Английский

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