Technology Roadmap for Flexible Sensors

ACS Nano, Год журнала: 2023, Номер 17(6), С. 5211 - 5295

Опубликована: Март 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.

Язык: Английский

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Materials-Driven Soft Wearable Bioelectronics for Connected Healthcare

Chemical Reviews, Год журнала: 2024, Номер 124(2), С. 455 - 553

Опубликована: Янв. 4, 2024

In the era of Internet-of-things, many things can stay connected; however, biological systems, including those necessary for human health, remain unable to connected global Internet due lack soft conformal biosensors. The fundamental challenge lies in fact that electronics and biology are distinct incompatible, as they based on different materials via functioning principles. particular, body is curvilinear, yet typically rigid planar. Recent advances design have generated tremendous opportunities wearable bioelectronics, which may bridge gap, enabling ultimate dream healthcare anyone, anytime, anywhere. We begin with a review historical development healthcare, indicating significant trend healthcare. This followed by focal point discussion about new design, particularly low-dimensional nanomaterials. summarize material types their attributes designing bioelectronic sensors; we also cover synthesis fabrication methods, top-down, bottom-up, combined approaches. Next, discuss energy challenges progress made date. addition front-end devices, describe back-end machine learning algorithms, artificial intelligence, telecommunication, software. Afterward, integration systems been applied various testbeds real-world settings, laboratories preclinical clinical environments. Finally, narrate remaining conjunction our perspectives.

Язык: Английский

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Deep‐Learning‐Assisted Noncontact Gesture‐Recognition System for Touchless Human‐Machine Interfaces

Advanced Functional Materials, Год журнала: 2022, Номер 32(49)

Опубликована: Сен. 30, 2022

Abstract Human‐machine interfaces (HMIs) play important role in the communication between humans and robots. Touchless HMIs with high hand dexterity hygiene hold great promise medical applications, especially during pandemic of coronavirus disease 2019 (COVID‐19) to reduce spread virus. However, current touchless are mainly restricted by limited types gesture recognition, requirement wearing accessories, complex sensing platforms, light conditions, low recognition accuracy, obstructing their practical applications. Here, an intelligent noncontact gesture‐recognition system is presented through integration a triboelectric sensor (TTS) deep learning technology. Combined deep‐learning‐based multilayer perceptron neural network, TTS can recognize 16 different gestures average accuracy 96.5%. The further applied control robot for collecting throat swabs mode. Compared present HMIs, proposed diverse utilizing charges naturally carried on human fingers without need complicated device structures, adequate achieves accuracy. This could provide exciting opportunities develop new generation equipment, as well public facilities, smart robots, virtual reality, metaverse, etc.

Язык: Английский

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Advances in Wearable Strain Sensors Based on Electrospun Fibers

Advanced Functional Materials, Год журнала: 2023, Номер 33(18)

Опубликована: Фев. 25, 2023

Abstract Wearable strain sensors with the ability of detecting physiological activities play an important role in personalized healthcare. Electrospun fibers have become a popular building block for wearable due to their excellent mechanical properties, breathability, and light weight. In this review, structure preparation process electrospun conductive layer are systematically introduced. The impact materials structures on following discussion sensing performance optimization strategies is outlined. Furthermore, applications fiber‐based biomonitoring, motion detection, human‐machine interaction presented. Finally, challenges promising future directions community based pointed out.

Язык: Английский

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Self-powered environmental monitoring via a triboelectric nanogenerator

Nano Energy, Год журнала: 2022, Номер 98, С. 107282 - 107282

Опубликована: Апрель 14, 2022

Язык: Английский

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Machine Learning-Enhanced Flexible Mechanical Sensing

Nano-Micro Letters, Год журнала: 2023, Номер 15(1)

Опубликована: Фев. 17, 2023

To realize a hyperconnected smart society with high productivity, advances in flexible sensing technology are highly needed. Nowadays, has witnessed improvements both the hardware performances of sensor devices and data processing capabilities device's software. Significant research efforts have been devoted to improving materials, mechanism, configurations systems quest fulfill requirements future technology. Meanwhile, advanced analysis methods being developed extract useful information from increasingly complicated collected by single or network sensors. Machine learning (ML) as an important branch artificial intelligence can efficiently handle such complex data, which be multi-dimensional multi-faceted, thus providing powerful tool for easy interpretation data. In this review, fundamental working mechanisms common types mechanical sensors firstly presented. Then how ML-assisted improves applications other closely-related various areas is elaborated, includes health monitoring, human-machine interfaces, object/surface recognition, pressure prediction, human posture/motion identification. Finally, advantages, challenges, perspectives associated fusion ML algorithms discussed. These will give significant insights enable advancement next-generation sensing.

Язык: Английский

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Smart textiles for self-powered biomonitoring

Med-X, Год журнала: 2023, Номер 1(1)

Опубликована: Июль 11, 2023

Abstract Merging electronics with textiles has become an emerging trend since hold magnificent wearing comfort and user-friendliness compared conventional wearable bioelectronics. Smart can be effectively integrated into our daily to convert on-body biomechanical, biochemical, body heat energy electrical signals for long-term, real-time monitoring of physiological states, showing compelling medical economic benefits. This review summarizes the current progress in self-powered biomonitoring along three pathways: heat, biochemical conversion. Finally, it also presents promising directions challenges field, as well insights future development. aims highlight frontiers smart biomonitoring, which could contribute revolutionizing traditional healthcare a personalized model. Graphical Self-powered via conversion are discussed this work. Platform technologies, including piezoelectric nanogenerators (PENGs), triboelectric (TENGs), magnetoelastic generators (MEGs) biomechanical conversion, thermoelectric (TEGs) boy biofuel cells (BFCs) systematically introduced textile form. Working manner greatly improved comfort, pave road healthcare.

Язык: Английский

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Recent Advances in Stimuli‐Responsive Smart Membranes for Nanofiltration

Advanced Functional Materials, Год журнала: 2022, Номер 33(9)

Опубликована: Дек. 25, 2022

Abstract Nanofiltration membrane plays an increasingly important role in many industrial applications, such as water treatment and resource recovery. The performance of the smart nanofiltration is largely controlled by pore size, Donnan effect, surface wettability, which are determined function stimuli‐responsive components. Smart membranes, contain components, capable changing their physical chemical properties response to changes environment so that microstructure will have more efficient performances broader application prospects than current traditional membranes. Herein, preparation methods membranes described they systematically classified accordingly mechanisms. Moreover, latest progress main mechanism each stimuli‐response type through relevant examples discussed summarized. Finally, this review provides new insights into remaining challenges future directions Fueled advances chemistry materials science, it expected build a platform for benefit mankind.

Язык: Английский

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Age of Flexible Electronics: Emerging Trends in Soft Multifunctional Sensors

Advanced Materials, Год журнала: 2024, Номер 36(16)

Опубликована: Янв. 23, 2024

Abstract With the commercialization of first‐generation flexible mobiles and displays in late 2010s, humanity has stepped into age electronics. Inevitably, soft multifunctional sensors, as essential components next‐generation electronics, have attracted tremendous research interest like never before. This review is dedicated to offering an overview latest emerging trends sensors their accordant future development (R&D) directions for coming decade. First, key characteristics predominant target stimuli are highlighted. Second, important selection criteria introduced. Next, materials/structures identified. Specifically, R&D these envisaged based on trends, namely i) decoupling multiple stimuli, ii) data processing, iii) skin conformability, iv) energy sources. Finally, challenges potential opportunities discussed, new insights prospects fast‐emerging technology.

Язык: Английский

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The Rising of Fiber Constructed Piezo/Triboelectric Nanogenerators: From Material Selections, Fabrication Techniques to Emerging Applications

Advanced Functional Materials, Год журнала: 2023, Номер 33(44)

Опубликована: Июль 7, 2023

Abstract Piezo/triboelectric nanogenerators (PTNGs) have become the research frontier in many cutting‐edge applications, which open up promising possibilities for broad prospects. Fiber materials are ideal candidate constructing high‐performance PTNGs owing to compelling features of lightweight, programmable structure, favorable softness, and brilliant breathability. To this end, working mechanisms, material selections, structural designs fabrication methods fiber constructed comprehensively presented. An in‐depth analysis emerging applications ranging from intelligent clothing, smart home, personalized medicine artificial intelligence is thoughtfully demonstrated. Furthermore, current problems potential challenges that hinder their large‐scale commercial systematically discussed, laying emphasis on future development direction PTNGs. It expected review will supply audience with some universal strategies fresh ideas conduct deep toward better performance.

Язык: Английский

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