Technology Roadmap for Flexible Sensors

ACS Nano, Journal Year: 2023, Volume and Issue: 17(6), P. 5211 - 5295

Published: March 9, 2023

Humans rely increasingly on sensors to address grand challenges and improve quality of life in the era digitalization big data. For ubiquitous sensing, flexible are developed overcome limitations conventional rigid counterparts. Despite rapid advancement bench-side research over last decade, market adoption remains limited. To ease expedite their deployment, here, we identify bottlenecks hindering maturation propose promising solutions. We first analyze achieving satisfactory sensing performance for real-world applications then summarize issues compatible sensor-biology interfaces, followed by brief discussions powering connecting sensor networks. Issues en route commercialization sustainable growth sector also analyzed, highlighting environmental concerns emphasizing nontechnical such as business, regulatory, ethical considerations. Additionally, look at future intelligent sensors. In proposing a comprehensive roadmap, hope steer efforts towards common goals guide coordinated development strategies from disparate communities. Through collaborative efforts, scientific breakthroughs can be made sooner capitalized betterment humanity.

Language: Английский

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Piezoelectric nanogenerators for personalized healthcare

Chemical Society Reviews, Journal Year: 2022, Volume and Issue: 51(9), P. 3380 - 3435

Published: Jan. 1, 2022

Piezoelectric nanogenerators are becoming a compelling bioelectronics platform technology for human-associated energy harvesting, self-powered sensing, and therapeutics, which will largely contribute to the medical field in era of Internet things.

Language: Английский

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Recent Advances in Triboelectric Nanogenerators: From Technological Progress to Commercial Applications

ACS Nano, Journal Year: 2023, Volume and Issue: 17(12), P. 11087 - 11219

Published: May 23, 2023

Serious climate changes and energy-related environmental problems are currently critical issues in the world. In order to reduce carbon emissions save our environment, renewable energy harvesting technologies will serve as a key solution near future. Among them, triboelectric nanogenerators (TENGs), which is one of most promising mechanical harvesters by means contact electrification phenomenon, explosively developing due abundant wasting sources number superior advantages wide availability selection materials, relatively simple device configurations, low-cost processing. Significant experimental theoretical efforts have been achieved toward understanding fundamental behaviors range demonstrations since its report 2012. As result, considerable technological advancement has exhibited it advances timeline achievement proposed roadmap. Now, technology reached stage prototype development with verification performance beyond lab scale environment commercialization. this review, distinguished authors world worked together summarize state art theory, devices, systems, circuits, applications TENG fields. The great research achievements researchers field around over past decade expected play major role coming fruition unexpectedly accelerated next decade.

Language: Английский

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High-performance piezoelectric composites via β phase programming

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: Aug. 18, 2022

Polymer-ceramic piezoelectric composites, combining high piezoelectricity and mechanical flexibility, have attracted increasing interest in both academia industry. However, their activity is largely limited by intrinsically low crystallinity weak spontaneous polarization. Here, we propose a Ti3C2Tx MXene anchoring method to manipulate the intermolecular interactions within all-trans conformation of polymer matrix. Employing phase-field simulation molecular dynamics calculations, show that OH surface terminations on nanosheets offer hydrogen bonding with fluoropolymer matrix, leading dipole alignment enhanced net polarization polymer-ceramic composites. We then translated this interfacial strategy into electrospinning boost response samarium doped Pb (Mg1/3Nb2/3)O3-PbTiO3/polyvinylidene fluoride composite nanofibers 160% via inclusion. With excellent attributes, as-electrospun can be easily integrated conventional shoe insoles form foot sensor network for all-around gait patterns monitoring, walking habits identification Metatarsalgi prognosis. This work utilizes coupling mechanism as develop high-performance composites wearable electronics.

Language: Английский

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Remote patient monitoring using artificial intelligence: Current state, applications, and challenges

Wiley Interdisciplinary Reviews Data Mining and Knowledge Discovery, Journal Year: 2023, Volume and Issue: 13(2)

Published: Jan. 5, 2023

Abstract The adoption of artificial intelligence (AI) in healthcare is growing rapidly. Remote patient monitoring (RPM) one the common applications that assist doctors to monitor patients with chronic or acute illness at remote locations, elderly people in‐home care, and even hospitalized patients. reliability manual systems depends on staff time management which dependent their workload. Conventional involves invasive approaches require skin contact health status. This study aims do a comprehensive review RPM including adopted advanced technologies, AI impact RPM, challenges trends AI‐enabled RPM. explores benefits patient‐centric architectures enabled Internet Things wearable devices sensors using cloud, fog, edge, blockchain technologies. role ranges from physical activity classification disease vital signs emergency settings. results show have transformed because ability detect early deterioration patients' health, personalize individual parameter federated learning, learn human behavior patterns techniques such as reinforcement learning. discusses adopt implementation issues. future directions are analyzed based trends. article categorized under: Application Areas > Health Care Technologies Artificial Intelligence

Language: Английский

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Advanced Fiber Materials for Wearable Electronics

Advanced Fiber Materials, Journal Year: 2022, Volume and Issue: 5(1), P. 12 - 35

Published: Oct. 13, 2022

Abstract Fiber materials are highly desirable for wearable electronics that expected to be flexible and stretchable. Compared with rigid planar electronic devices, fiber-based provide significant advantages in terms of flexibility, stretchability breathability, they considered as the pioneers new generation soft wearables. The convergence textile science, engineering nanotechnology has made it feasible build functions on fibers maintain them during wear. Over last few years, fiber-shaped desired designability integration features have been intensively explored developed. As an indispensable part cornerstone great significance. Herein, research progress advanced fiber is reviewed, which mainly includes various material preparations, fabrication technologies representative studies different applications. Finally, key challenges future directions examined along analysis possible solutions. Graphical abstract

Language: Английский

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Functional Fiber Materials to Smart Fiber Devices

Chemical Reviews, Journal Year: 2022, Volume and Issue: 123(2), P. 613 - 662

Published: Aug. 17, 2022

The development of fiber materials has accompanied the evolution human civilization for centuries. Recent advances in science and chemistry offered fibers new applications with various functions, including energy harvesting, storing, displaying, health monitoring treating, computing. unique one-dimensional shape devices endows them advantages to work as human-interfaced electronics due small size, lightweight, flexibility, feasibility integration into large-scale textile systems. In this review, we first present a discussion basics design principles devices, followed by comprehensive analysis on recently developed devices. Finally, provide current challenges facing field give an outlook future research directions. With novel continuing be discovered after two decades research, envision that could have important impact our life near future.

Language: Английский

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Sensing–transducing coupled piezoelectric textiles for self-powered humidity detection and wearable biomonitoring

Materials Horizons, Journal Year: 2023, Volume and Issue: 10(3), P. 842 - 851

Published: Jan. 1, 2023

The performance of chemical sensors is dominated by the perception target molecules via sensitive materials and conduction sensing signals through transducers. However, transduction are spatially temporally independent in most sensors, which poses a challenge for device miniaturization integration. Herein, we proposed sensing-transducing coupled strategy embedding high piezoresponse Sm-PMN-PT ceramic (d33 = ∼1500 pC N-1) into moisture-sensitive polyetherimide (PEI) polymer matrix electrospinning to conjugate humidity signal synchronously sympatrically. Through phase-field simulation experimental characterization, reveal principle design composition topological structure piezoelectric (STP) textiles order modulate recognition, conversion, component utilization ratio prepared active achieving sensitivity (0.9%/RH%) fast response (20 s) toward ambient moisture. STP textile can be worn on human body realize emotion exercise status monitoring, physiological stress identification. This work offers unprecedented insights coupling mechanism between chemisorption-related interfacial state energy conversion efficiency opens up new paradigm developing autonomous, multifunctional highly flexible sensors.

Language: Английский

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Biomimetic spinning of soft functional fibres via spontaneous phase separation

Nature Electronics, Journal Year: 2023, Volume and Issue: 6(5), P. 338 - 348

Published: April 27, 2023

Language: Английский

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Self‐Powered Gesture Recognition Wristband Enabled by Machine Learning for Full Keyboard and Multicommand Input

Advanced Materials, Journal Year: 2022, Volume and Issue: 34(21)

Published: March 28, 2022

Virtual reality is a brand-new technology that can be applied extensively. To realize virtual reality, certain types of human-computer interaction equipment are necessary. Existing technologies often rely on cameras, data gloves, game pads, and other equipment. These either bulky, inconvenient to carry use, or expensive popularize. Therefore, the development convenient low-cost high-precision device contribute positively technology. In this study, gesture recognition wristband full keyboard multicommand input developed. The wear, low in cost, does not affect daily operations hand. This based physiological anatomy as well aided by active sensor machine learning technology; it achieve maximum accuracy 92.6% recognizing 26 letters. offers broad application prospects fields command recognition, assistive devices for disabled, wearable electronics.

Language: Английский

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