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

---

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

---

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

---

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

---

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

---

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

---

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

---

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

---

Innovations in Tactile Sensing: Microstructural Designs for Superior Flexible Sensor Performance

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(44)

Published: June 22, 2024

Abstract Tactile sensors have garnered considerable interest for their capacity to detect and quantify tactile information. The incorporation of microstructural designs into flexible has emerged as a potent strategy augment sensitivity pressure variations, thereby enhancing linearity, response spectrum, mechanical robustness. This review underscores the imperative progress in microstructured sensors. Subsequently, discourse transitions prevalent materials employed fabrication sensor electrodes, encapsulation layers, active sensing mediums, elucidating merits limitations. In‐depth discussions are devoted adorned with microstructures, including but not limited to, micropyramids, microhemispheres, micropillars, microporous configurations, microcracks, topological interconnections, multilevel constructs, random roughness, biomimetic microstructures inspired by flora fauna, accompanied exemplar studies from each category. Moreover, utility within realm intelligent environments is explicated, highlighting application monitoring physiological signals, detection sliding motions, discernment surface textures. culminates critical examination paramount challenges predicaments that must be surmounted further development enhance functional performance sensors, paving way integration advanced sensory systems.

Language: Английский

---

Triboelectric tactile sensor for pressure and temperature sensing in high-temperature applications

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

Published: Jan. 3, 2025

Skin-like sensors capable of detecting multiple stimuli simultaneously have great potential in cutting-edge human-machine interaction. However, realizing multimodal tactile recognition beyond human perception still faces significant challenges. Here, an extreme environments-adaptive triboelectric sensor was developed, pressure/temperatures the range perception. Based on nanogenerator technology, asymmetric structure independently outputting dual signals designed to improve sensitivity. By converting and into feature matrices, parallel complex objects (with a rate 94%) temperature at high temperatures achieved. The proposed represents progress maximum detection rapid response, upper limit skin's high-temperature sensing (60 °C) with working 200 °C. self-powered system offers wider possibilities for human/robot/environment interaction applications. Existing struggle environments. authors developed heat-resistant materials, enabling 94% object rate, fast response times, stable performance up

Language: Английский

---