Wireless Technologies in Flexible and Wearable Sensing: From Materials Design, System Integration to Applications

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(27)

Published: April 23, 2024

Wireless and wearable sensors attract considerable interest in personalized healthcare by providing a unique approach for remote, noncontact, continuous monitoring of various health-related signals without interference with daily life. Recent advances wireless technologies have promoted practical applications due to their significantly improved characteristics, such as reduction size thickness, enhancement flexibility stretchability, conformability the human body. Currently, most researches focus on active materials structural designs sensors, just few exceptions reflecting data transmission. This review provides comprehensive overview state-of-the-art related studies empowering sensors. The emerging functional nanomaterials utilized designing modules are highlighted, which include metals, carbons, MXenes. Additionally, outlines system-level integration flexible spanning from novel design strategies enhanced efficient transmitting wirelessly. Furthermore, introduces representative remote noninvasive physiological through on-skin implantable sensing systems. Finally, challenges, perspectives, unprecedented opportunities discussed.

Language: Английский

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MXenes: Versatile 2D materials with tailored surface chemistry and diverse applications

Journal of Energy Chemistry, Journal Year: 2023, Volume and Issue: 90, P. 253 - 293

Published: Dec. 5, 2023

Language: Английский

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Large‐Scale, Mechanically Robust, Solvent‐Resistant, and Antioxidant MXene‐Based Composites for Reliable Long‐Term Infrared Stealth

Advanced Science, Journal Year: 2024, Volume and Issue: 11(17)

Published: Feb. 25, 2024

MXene-based thermal camouflage materials have gained increasing attention due to their low emissivity, however, the poor anti-oxidation restricts potential applications under complex environments. Various modification methods and strategies, e.g., addition of antioxidant molecules fillers been developed overcome this, but realization long-term, reliable using MXene network (coating) with excellent comprehensive performance remains a great challenge. Here, hybrid comodified hyaluronic acid (HA) hyperbranched polysiloxane (HSi) is designed fabricated. Notably, presence appreciated HA oxidation sheets without altering infrared stealth performance, superior other water-soluble polymers; while HSi can act as efficient cross-linking agents generate strong interactions between molecules. The optimized MXene/HA/HSi composites exhibit mechanical flexibility (folded into crane structure), good water/solvent resistance, long-term stable capability (with emissivity ≈0.29). reliability (≈8 months) various outdoor weathers scalable coating MXene-coated textile enable them disguise IR signal targets in environments, indicating promise achieved material for camouflage, stealth, counter surveillance.

Language: Английский

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Flexible temperature-pressure dual sensor based on 3D spiral thermoelectric Bi2Te3 films

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: March 21, 2024

Dual-parameter pressure-temperature sensors are widely employed in personal health monitoring and robots to detect external signals. Herein, we develop a flexible composite dual-parameter sensor based on three-dimensional (3D) spiral thermoelectric Bi

Language: Английский

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Highly-sensitive, broad-range, and highly-dynamic MXene pressure sensors with multi-level nano-microstructures for healthcare and soft robots applications

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 485, P. 149750 - 149750

Published: Feb. 16, 2024

Language: Английский

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Decoupled Temperature–Pressure Sensing System for Deep Learning Assisted Human–Machine Interaction

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(52)

Published: Aug. 20, 2024

Abstract With the rapid development of intelligent wearable technology, multimodal tactile sensors capable data acquisition, decoupling intermixed signals, and information processing have attracted increasing attention. Herein, a decoupled temperature–pressure dual‐mode sensor is developed based on single‐walled carbon nanotubes (SWCNT) poly(3,4‐ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) decorated porous melamine foam (MF), integrating with deep learning algorithm to obtain input terminal. Importantly, synergistic effect PEDOT:PSS SWCNT facilitates ideal capability sensitivity toward both temperature (38.2 µV K −1 ) pressure (10.8% kPa thermoelectric piezoresistive effects, respectively. Besides, low thermal conductivity excellent compressibility MF also endow it merits low‐temperature detection limit (0.03 K), fast response (120 ms), long‐term stability. Benefiting from outstanding sensing characteristics, assembled array showcases good capacity for identifying spatial distribution signals. assistance algorithm, displays high recognition accuracy 99% 98% corresponding “touch” “press” actions, respectively, realizes encrypted transmission accurate identification random sequences, providing promising strategy design high‐accuracy platform in human–machine interaction.

Language: Английский

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Breathable and waterproof conductive cotton fabric pressure sensor with distinguished electrothermal and electromagnetic interference shielding performances

Applied Materials Today, Journal Year: 2024, Volume and Issue: 38, P. 102256 - 102256

Published: May 23, 2024

Language: Английский

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Ultraflexible Temperature‐Strain Dual‐Sensor Based on Chalcogenide Glass‐Polymer Film for Human‐Machine Interaction

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(23)

Published: Feb. 28, 2024

Abstract Skin‐like thermoelectric (TE) films with temperature‐ and strain‐sensing functions are highly desirable for human‐machine interaction systems wearable devices. However, current TE still face challenges in achieving high flexibility excellent sensing performance simultaneously. Herein, the first time, a facile roll‐to‐roll strategy is proposed to fabricate an ultraflexible chalcogenide glass‐polytetrafluoroethylene composite film superior performance. The unique reticular network of endows it efficient Seebeck effect flexibility, leading coefficient (731 µV/K), rapid temperature response (≈0.7 s), strain sensitivity (gauge factor = 836). Based on this high‐performance film, intelligent robotic hand action feedback alarm fabricated, demonstrating its great potential interaction. Such fabrication not only brings new inspiration inorganic devices, but also sets stage wide implementation multifunctional systems.

Language: Английский

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An intelligent dual-sensing e-skin system for pressure and temperature detection using laser-induced graphene and polydimethylsiloxane

Materials & Design, Journal Year: 2024, Volume and Issue: 238, P. 112640 - 112640

Published: Jan. 8, 2024

Motivated by artificial intelligence, we present a novel electronic skin (e-skin) system capable of dual-sensing pressure and temperature signals. Our approach utilizes laser-induced graphene polydimethylsiloxane, offering simple yet efficient method for e-skin preparation. Experimental results reveal exceptional performance with good sensitivity (0.037 kPa−1 at 0–50 kPa), wide detection range (0–220 fast response time 56 ms, an ultra-low limit (30 Pa), excellent stability (8000 cycles). Additionally, the exhibits positive coefficients (0.0025 ℃-1) within 20–100 ℃, rapid 2.57 s, extremely low (1 ℃), after 50 cycles. Crucially, our intelligent system, employing Long Short-Term Memory algorithm, enables real-time multi-modal tactile perception, accurately separating mixed This versatile technology holds immense potential applications in robotics human health monitoring.

Language: Английский

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Recent progress on MXene-based advanced nanocomposite materials for thermal radiation protection and fire safety

Advanced Nanocomposites, Journal Year: 2024, Volume and Issue: 1(1), P. 217 - 239

Published: Jan. 1, 2024

As a member of the two-dimensional materials' family, MXene sheets exhibit unique structure and outstanding functional properties, garnering extensive interest in many emerging fields. Among them, derivatives with low emissivity inorganic feature have positioned them as promising candidates for thermal camouflage fire safety. Nevertheless, present literature still lacks comprehensive comparative review focused on both radiation protection safety advanced MXene-based nanocomposite materials. This paper is dedicated to offering an overview recent advances progress empowering nanocomposites context synthesis operational principle, structural characteristics, multifunctional performance emergent applications. Special emphasis placed reviewing camouflaging (infrared stealth), flame-retardant (passive) early warning (active) understand relationships between material compositions, fabricating process, multi-scale structures multiple functionalities. Finally, future challenge direction applications are discussed analyzed.

Language: Английский

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