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

Advanced Functional Materials, Год журнала: 2024, Номер 34(44)

Опубликована: Июнь 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.

Язык: Английский

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Flexible Pressure, Humidity, and Temperature Sensors for Human Health Monitoring

Advanced Healthcare Materials, Год журнала: 2024, Номер unknown

Опубликована: Сен. 17, 2024

Abstract The rapid advancements in artificial intelligence, micro‐nano manufacturing, and flexible electronics technology have unleashed unprecedented innovation opportunities for applying sensors healthcare, wearable devices, human–computer interaction. human body's tactile perception involves physical parameters such as pressure, temperature, humidity, all of which play an essential role maintaining health. Inspired by the sensory function skin, many bionic been developed to simulate skin's various stimuli are widely applied health monitoring. Given urgent requirements sensing performance integration field devices monitoring, here is a timely overview recent advances multi‐functional It covers fundamental components categorizes them based on different response mechanisms, including resistive, capacitive, voltage, other types. Specifically, application these area monitoring highlighted. Based this, extended dual/triple‐mode integrating temperature presented. Finally, challenges discussed.

Язык: Английский

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Manipulating Hetero‐Nanowire Films for Flexible and Multifunctional Thermoelectric Devices

Advanced Materials, Год журнала: 2024, Номер 36(25)

Опубликована: Март 13, 2024

Abstract Flexible thermoelectric devices hold significant promise in wearable electronics owing to their capacity for green energy generation, temperature sensing, and comfortable wear. However, the simultaneous achievement of excellent multifunctional sensing power generation poses a challenge these devices. Here, ordered tellurium‐based hetero‐nanowire films are designed flexible by optimizing Seebeck coefficient factor. The obtained can efficiently detect both object environment temperature, thermal conductivity, heat proximity, airflow. In addition, combining units with radiative cooling materials exhibits remarkable management capabilities, preventing device overheating avoiding degradation generation. Impressively, this resistance extreme low earth orbit environments. fabrication such provides innovative insights into multimodal harvesting.

Язык: Английский

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Self-Adhesive, Stretchable, and Thermosensitive Iontronic Hydrogels for Highly Sensitive Neuromorphic Sensing–Synaptic Systems

Nano Letters, Год журнала: 2024, Номер 24(33), С. 10265 - 10274

Опубликована: Авг. 8, 2024

Artificial sensory afferent nerves that emulate receptor nanochannel perception and synaptic ionic information processing in chemical environments are highly desirable for bioelectronics. However, challenges persist achieving life-like nanoscale conformal contact, agile multimodal sensing response, feedback with ions. Here, a precisely tuned phase transition poly(

Язык: Английский

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Advanced biomedical and electronic dual-function skin patch created through microfluidic-regulated 3D bioprinting

Bioactive Materials, Год журнала: 2024, Номер 40, С. 261 - 274

Опубликована: Июнь 14, 2024

Язык: Английский

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A Skin-Inspired Optoelectromechanically Coupled System for 3-Axis Airflow Sensor

Nano Energy, Год журнала: 2025, Номер 135, С. 110659 - 110659

Опубликована: Янв. 8, 2025

Язык: Английский

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A Proximity and Tactile Sensor with Visual Multiresponse

ACS Applied Materials & Interfaces, Год журнала: 2025, Номер unknown

Опубликована: Янв. 16, 2025

Proximity and tactile multiresponse sensing electronic skin enriches the perception dimension, which is of great significance in promoting intelligence skin. However, achieving real-time visualization sensors such as proximity feedback remains a challenge. A sensor with visual function designed, can realize optical early warning electrical recognition when object near, display output contact. The mechanism capacitive discussed, detection range, linearity, sensitivity, stability are tested, relationship between force, capacitance, light intensity established. 5 × array was prepared for dynamic force trajectory detection. By combining machine learning to recognize information information, multifunctional intelligent human-computer interactive control realized. Visual not only solve challenge but also promote development be multidimensional, multifunctional, intelligent.

Язык: Английский

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A review on high-performance flexible thermoelectrics: material, device, and applications

Microstructures, Год журнала: 2025, Номер 5(2)

Опубликована: Март 18, 2025

Flexible thermoelectric (TE) materials and their devices have gained increasing attention due to the flexibility lightness of flexible TE technology for low-temperature waste heat collection. In recent decades, various efforts been devoted impressive efficiency including synthesis, design, integration generators. this regard, urgent need eco-friendly, stable, durable power sources motivates booming market integrated electronics. This review comprehensively summarizes state-of-the-art development materials, device types, fabrication techniques, fundamentals behind applications. addition, employed methods moderate physical properties theoretical analysis, experimental prospects, importantly challenges TEs are introduced. Moreover, we summarized applications in textiles, wearable electronics, utilization, sensors, Internet Things, health monitoring, etc. We believe that addresses current research future directions researchers choosing potential explore technology.

Язык: Английский

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Multichannel Wearable Sensor Based on Porous Structure for Simultaneous Acquisition of Different Mechanical Signals

ACS Applied Electronic Materials, Год журнала: 2025, Номер unknown

Опубликована: Апрель 23, 2025

Язык: Английский

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Unique Bioinspired Nanowire Structures for Dual‐Modal Optoelectronic Electronic Skin

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Июнь 1, 2025

Abstract As initial basic applications expand into more complex and diverse fields, including prosthesis, the metaverse, information encryption, diversification, multifunctionality, customization of electronic skin (e‐skin) have increasingly become prominent research trends. However, most e‐skins focus on achieving higher performance a broader response range, lacking functionality mode options. Here, designable bioinspired e‐skin is reported, utilizing mechanical strategy combined with interface assembly technology, integration optical electrical sensing capabilities in single functional material. Benefiting from tunable engineering nanowire structures, Mode I demonstrates for first time an anisotropic infrared‐electrical e‐skin, remarkable anisotropy index (GF 1 /GF 2 ) greater than 10 4 stable infrared transmittance changes even after 5 cycles at 75% strain. On other hand, II offers interference‐resistant that maintains under deformations based novel 3D buckled structure. Finally, two modes are integrated successfully applied to multiple encryption customized information, presenting significant potential confidential military projects.

Язык: Английский

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