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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Zinc Oxide Nanorods for Light-Activated Gas Sensing and Photocatalytic Applications

ACS Applied Nano Materials, Journal Year: 2023, Volume and Issue: 6(19), P. 17445 - 17456

Published: Sept. 28, 2023

The demand for environmental monitoring and remediation stimulates tremendous research efforts to develop highly efficient advanced functional nanomaterials capable of combining multiple functions with the arbitrary switching application scenarios. However, there remains a lack an in-depth comprehensive understanding relationship between properties surface structure nanomaterials, which is crucial design nanomaterials. Here, we present feasibility demonstration single ZnO nanorod-based material platform that uniquely synergizes several desired capabilities gas sensing, optoelectronic, photocatalytic applications. In such nanomaterial platform, route elaborate experiments uncover structure–property relationships facet effect in conjunction first-principles density theory calculations, identifying defect effects dominant exposed (100) surfaces hydrothermally synthesized nanorods. smaller diameter higher array remarkably promote exposure area surrounding oxygen vacancy amount as well O2 H2O adsorption. Furthermore, visible light absorption was enhanced by raising valence band maximum position stemming from vacancies. Importantly, this work offers unprecedented insights into fundamental essence behind realization on could significantly boost efficiency reliability miniaturized high-technology assets other critical equipment, enabling development optimization high-performance multifunctional electronics.

Language: Английский

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Wearable sensors for telehealth based on emerging materials and nanoarchitectonics

npj Flexible Electronics, Journal Year: 2023, Volume and Issue: 7(1)

Published: June 2, 2023

Abstract Wearable sensors have made significant progress in sensing physiological and biochemical markers for telehealth. By monitoring vital signs like body temperature, arterial oxygen saturation, breath rate, wearable provide enormous potential the early detection of diseases. In recent years, advancements been achieved development based on two-dimensional (2D) materials with flexibility, excellent mechanical stability, high sensitivity, accuracy introducing a new approach to remote real-time health monitoring. this review, we outline 2D materials-based biosensors system. The review focused five types sensors, which were classified according their mechanism, such as pressure, strain, electrochemical, optoelectronic, temperature sensors. material capabilities impact performance operation sensor are outlined. fundamental principles mechanism well applications explored. This concludes by discussing remaining obstacles future opportunities emerging telehealth field. We hope that report will be useful individuals who want design it generate ideas.

Language: Английский

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Bridging Nanomanufacturing and Artificial Intelligence—A Comprehensive Review

Materials, Journal Year: 2024, Volume and Issue: 17(7), P. 1621 - 1621

Published: April 2, 2024

Nanomanufacturing and digital manufacturing (DM) are defining the forefront of fourth industrial revolution—Industry 4.0—as enabling technologies for processing materials spanning several length scales. This review delineates evolution nanomaterials nanomanufacturing in age applications medicine, robotics, sensory technology, semiconductors, consumer electronics. The incorporation artificial intelligence (AI) tools to explore nanomaterial synthesis, optimize processes, aid high-fidelity nanoscale characterization is discussed. paper elaborates on different machine-learning deep-learning algorithms analyzing images, designing nanomaterials, nano quality assurance. challenges associated with application machine- models achieve robust accurate predictions outlined. prospects incorporating sophisticated AI such as reinforced learning, explainable (XAI), big data analytics material process innovation, nanosystem integration

Language: Английский

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Photonic Nanomaterials for Wearable Health Solutions

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

Published: Feb. 3, 2025

Abstract This review underscores the transformative potential of photonic nanomaterials in wearable health technologies, driven by increasing demands for personalized monitoring. Their unique optical and physical properties enable rapid, precise, sensitive real‐time monitoring, outperforming conventional electrical‐based sensors. Integrated into ultra‐thin, flexible, stretchable formats, these materials enhance compatibility with human body, enabling prolonged wear, improved efficiency, reduced power consumption. A comprehensive exploration is provided integration devices, addressing material selection, light‐matter interaction principles, device assembly strategies. The highlights critical elements such as form factors, sensing modalities, data communication, representative examples skin patches contact lenses. These devices precise monitoring management biomarkers diseases or biological responses. Furthermore, advancements approaches have paved way continuum care systems combining multifunctional sensors therapeutic drug delivery mechanisms. To overcome existing barriers, this outlines strategies design, engineering, system integration, machine learning to inspire innovation accelerate adoption next‐generation health, showcasing their versatility digital applications.

Language: Английский

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Technology pull: scale-up of polymeric mechanochemical force sensors

Trends in Chemistry, Journal Year: 2023, Volume and Issue: 5(6), P. 415 - 431

Published: March 6, 2023

Polymer mechanochemistry uses mechanical forces to break and manipulate chemical bonds, driving a functional response in the material of choice, thus making it an ideal candidate for force sensing emerging applications such as Internet Things (IoT), bioelectronics, wearable electronics well fluid-based manufacturing; example, bioprinting. In this review, we aim identify links between moiety design, matrix choice integration, manufacturing processes scale-up polymer sensors. The interdependencies all stages need be monitored ensure that function translates effectively from laboratory application. We highlight research challenges must faced field moves towards commercialisation mechanophore-based

Language: Английский

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The giant flexoelectric effect in a luffa plant-based sponge for green devices and energy harvesters

Proceedings of the National Academy of Sciences, Journal Year: 2023, Volume and Issue: 120(40)

Published: Sept. 25, 2023

Soft materials that can produce electrical energy under mechanical stimulus or deform significantly via moderate fields are important for applications ranging from soft robotics to biomedical science. Piezoelectricity, the property would ostensibly promise such a realization, is notably absent typical matter. Flexoelectricity an alternative form of electromechanical coupling universally exists in all dielectrics and generate electricity nonuniform deformation as flexure conversely, inhomogeneous fields. The flexoelectric effect is, however, rather modest most thus remains critical bottleneck. In this work, we argue significant emergent response be obtained by leveraging hierarchical porous structure found biological materials. We experimentally illustrate our thesis natural dry luffa vegetable-based sponge demonstrate extraordinarily large mass- deformability-specific with highest-density-specific equivalent piezoelectric coefficient known any material (50 times polyvinylidene fluoride more than 10 lead zirconate titanate). Finally, application fabricated green, biodegradable flexible smart devices context sensing (e.g., speech, touch pressure) harvesting.

Language: Английский

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A double-crack structure for bionic wearable strain sensors with ultra-high sensitivity and a wide sensing range

Nanoscale, Journal Year: 2024, Volume and Issue: 16(10), P. 5409 - 5420

Published: Jan. 1, 2024

Benefiting from the double-crack structure, sensors show ultra-high sensitivity, a wide working range and great value in human–machine interaction.

Language: Английский

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Electromechanical performance of flexible sensor based on 3D printed biomimetic all-PDMS-coated multistage structure: Toward kinesiology monitoring and human-machine interaction

Sensors and Actuators A Physical, Journal Year: 2024, Volume and Issue: 369, P. 115193 - 115193

Published: Feb. 17, 2024

Language: Английский

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Anisotropic V-Groove/Wrinkle Hierarchical Arrays for Multidirectional Strain Sensors with High Sensitivity and Exceptional Selectivity

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(22), P. 29410 - 29420

Published: May 20, 2024

Flexible strain sensors have been continuously optimized and widely used in various fields such as health monitoring, motion detection, human–machine interfaces. There is a higher demand for that can sensitively identify both the amplitude direction real-time to adapt complex human movements. This study proposes flexible sensor construction strategy based on V-groove/wrinkle hierarchical structures via facile scalable prestretching approach. A gold film sputtered V-groove structure soft substrate under vertical biaxial prestrain. When released, variety of wondrous are formed. The microstructure properties resulting be controlled by adjusting prestrain, which has obvious anisotropic response characteristics exhibits high sensitivity (maximum gauge factor up 20,727.46) wide sensing range (up 51%). In addition, multidirectional double-sided microstructures an exceptional directional selectivity 67.39, at advanced level among all stretchable reported so far. detect signals distinguish patterns, proving its great potential field detection laying foundation high-performance wearable devices.

Language: Английский

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