Bioinspired Stretchable Strain Sensor with High Linearity and Superhydrophobicity for Underwater Applications

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 4, 2024

Abstract Flexible strain sensors are of great significance in health monitoring, wearable electronic devices, intelligent robot sensing, and other fields. Most the reported works focus on enhancement sensitivity or working range, while linearity is ignored exhibits strong nonlinearity. Conflict among performances remains a serious challenge for development flexible sensors. Herein, inspired by architecture butterfly's wings, sensor with double conductive layers wrinkles/holes structures proposed. The fabricated shows high >0.98 over full range 120%, up to 0.999 within 0%–30%. Apart from that, also presents 8.28, stability 40 000 cycles when subjected full‐scale strain, as well water contact angle >167.4°. Meanwhile, strains low 0.075% can be identified, maximum frequency Hz responded sensor. It demonstrated that capable enabling grippers sense monitor motions underwater vehicles, indicating its greater potential diverse applications, such human–machine interaction, marine environmental protection, biological research.

Language: Английский

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The ultra-sensitive flexible pressure sensor based on hierarchical micro-wrinkle/pyramid structure for underwater perturbation monitoring

Composites Communications, Journal Year: 2025, Volume and Issue: unknown, P. 102312 - 102312

Published: Feb. 1, 2025

Language: Английский

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Fish‐Like Dual‐Bubbling Nanostructured Membranes‐Based Actuation System for Enhanced Underwater Sensing

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 7, 2025

Abstract Underwater sensing is crucial for sea exploration and guiding underwater vehicles. Artificial flexible or soft sensors with high sensitivity environmental adaptability can be one promising alternative. However, the current may experience sharp decline of sensory performance attributed to heavy water pressure. Here, inspired by structure swimming bladder, a fish‐like dual‐bubbling membrane developed undiminished designing integrated actuation system mechanical sensing. The includes morphing layer elastomer 3D harder embedded carbon nanotubes (CNTs), capable detecting fluctuations as small 5 Pa at 8 kPa pressure maintaining stable up 18 kPa. rational design modular‐actuation (MASS) allows adjustment capability handle higher applied Furthermore, designed sensor into vehicle sensitively detect navigation behaviors further monitor external stimuli even under 1.6 m condition. proposed principle expected provide guidance biomimetic actuating systems.

Language: Английский

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Advancements in Superhydrophobic Paper-Based Materials: A Comprehensive Review of Modification Methods and Applications

Nanomaterials, Journal Year: 2025, Volume and Issue: 15(2), P. 107 - 107

Published: Jan. 12, 2025

Superhydrophobic paper-based functional materials have emerged as a sustainable solution with wide range of applications due to their unique water-repelling properties. Inspired by natural examples like the lotus leaf, these combine low surface energy micro/nanostructures create air pockets that maintain high contact angle. This review provides an in-depth analysis recent advancements in development superhydrophobic materials, focusing on methodologies for modification, underlying mechanisms, and performance various applications. The leveraging porous structure flexibility, are modified achieve superhydrophobicity, which broadens application oil-water separation, anti-corrosion, self-cleaning. describes use diagnostics, environmental management, generation, food testing, smart packaging. It also discusses modification techniques, including chemical coating technology, physical composite laser etching, other innovative methods. prospects explored, emphasizing potential self-cleaning droplet manipulation, sensors wearable electronics monitoring.

Language: Английский

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Ultrawide band double-layer THz frequency selective surfaces

Applied Optics, Journal Year: 2025, Volume and Issue: 64(5), P. 1304 - 1304

Published: Jan. 21, 2025

Frequency selective surfaces (FSSs), also known as spatial filters, are special two-dimensional periodic structures with unique electromagnetic wave transmission and reflection characteristics. With the launch of 6G communication technology research, terahertz band is an important topic technology, miniaturization compactness major features devices. A double-layer ultra-wideband FSS designed, which has a compact cell structure consisting two layers square ring-gap cascades can be used to enhance waves. The passband width this 0.354 THz (0.407–0.761 THz), coefficient decreases rapidly on both sides passband. Meanwhile, maintains characteristics polarization stability at incidence angles less than 60°. simulation results show that multilayer cascaded not only large operating bandwidth but good steepest degradation performance. In paper, we explore laser machining process designed analyze effects several factors, namely scanning speed, power, number scans, surface morphology FSS, respectively, select parameters guarantee accuracy efficiency. order verify actual working performance processed ring coefficients samples tested, test basically consistent results.

Language: Английский

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Robust and breathable electronic textiles with anti-icing and photothermal de-icing properties modified by ZIF-8/polypyrrole

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 161569 - 161569

Published: March 1, 2025

Language: Английский

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Research Progress and Application Prospect of Paper-Based Pressure Sensor

Material Sciences, Journal Year: 2025, Volume and Issue: 15(04), P. 622 - 629

Published: Jan. 1, 2025

Language: Английский

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Ultra-low cost and high-performance paper-based flexible pressure sensor for artificial intelligent E-skin

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 156293 - 156293

Published: Sept. 1, 2024

Language: Английский

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Robust bonding of Ag nanoparticles on bicomponent fibers enabled highly reliable, multi-functional piezoresistive sensing

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 158414 - 158414

Published: Dec. 1, 2024

Language: Английский

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Vacuum Filtration-Coated Silver Electrodes Coupled with Stacked Conductive Multi-Walled Carbon Nanotubes/Mulberry Paper Sensing Layers for a Highly Sensitive and Wide-Range Flexible Pressure Sensor

Micromachines, Journal Year: 2024, Volume and Issue: 15(11), P. 1306 - 1306

Published: Oct. 28, 2024

Flexible pressure sensors based on paper have attracted considerable attention owing to their good performance, low cost, and environmental friendliness. However, effectively expanding the detection range of paper-based with high sensitivities is still a challenge. Herein, we present resistive sensor sandwich structure consisting two electrodes three sensing layers. The silver nanowires were dispersed deposited filter substrate using vacuum filtration coating method prepare electrode. And layer was fabricated by carbon nanotubes onto mulberry substrate. Waterborne polyurethane introduced in process preparing layers enhance strength interface between Therefore, designed exhibits performance virtue rational design proper material selection. Specifically, rough surfaces layers, porous conductive network electrodes, multilayer stacked collaboratively increase change surface contact area under load, which improves sensitivity extends simultaneously. Consequently, (up 6.26 kPa−1), wide measurement (1000 kPa), limit (~1 Pa), excellent stability cycles). All these advantages guarantee that has potential for applications smart wearable devices Internet Things.

Language: Английский

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