Artificial Neuron Devices

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(23), P. 13796 - 13865

Published: Nov. 17, 2023

Efforts to design devices emulating complex cognitive abilities and response processes of biological systems have long been a coveted goal. Recent advancements in flexible electronics, mirroring human tissue's mechanical properties, hold significant promise. Artificial neuron devices, hinging on artificial synapses, bioinspired sensors, actuators, are meticulously engineered mimic the systems. However, this field is its infancy, requiring substantial groundwork achieve autonomous with intelligent feedback, adaptability, tangible problem-solving capabilities. This review provides comprehensive overview recent devices. It starts fundamental principles synaptic explores sensory systems, integrating synapses sensors replicate all five senses. A systematic presentation nervous follows, designed emulate system functions. The also discusses potential applications outlines existing challenges, offering insights into future prospects. We aim for illuminate burgeoning inspiring further innovation captivating area research.

Language: Английский

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A Low‐Hysteresis and Highly Stretchable Ionogel Enabled by Well Dispersed Slidable Cross‐Linker for Rapid Human‐Machine Interaction

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(30)

Published: April 21, 2023

Abstract Ionic conductive soft materials for mimicking human skin are a promising topic since they can be thought of as possible basis biomimetic sensing. In pursuit devices with long working range and low signal delay, hysteresis good stretchability highly demanded. To overcome the challenges stretchable resilience, herein chemical design is proposed where polyrotaxanes act topological cross‐linkers to enhance by sliding‐induced reduced stress concentration while compatible ionic liquid introduced dispersant hysteresis. The obtained ionogels exhibit versatile properties more than (residual strain = 7%) (550%), also anti‐fatigue, biocompatibility, adhesion. attributed lower energy dissipation from well‐dispersed liquids. mechanism provides new insight in fabricating low‐hysteresis slide‐ring materials. Furthermore, conductivity their responses strains temperatures measured. Benefiting hysteresis, ionogel applied develop wireless communication system realize rapid human‐machine interactions.

Language: Английский

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A sensory memory processing system with multi-wavelength synaptic-polychromatic light emission for multi-modal information recognition

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: May 8, 2023

Realizing multi-modal information recognition tasks which can process external efficiently and comprehensively is an urgent requirement in the field of artificial intelligence. However, it remains a challenge to achieve simple structure high-performance demonstrations owing complex execution module separation memory processing based on traditional complementary metal oxide semiconductor (CMOS) architecture. Here, we propose efficient sensory system (SMPS), generate synapse-like multi-wavelength light-emitting output, realizing diversified utilization light recognition. The SMPS exhibits strong robustness encoding/transmission capability visible display through multi-level color responses, implement pain warning organisms intuitively. Furthermore, different from conventional that requires independent circuit modules, proposed with unique optical multi-information parallel output realize dynamic step frequency spatial positioning simultaneously accuracy 99.5% 98.2%, respectively. Therefore, this work component, flexible operation, robustness, highly efficiency promising for future sensory-neuromorphic photonic systems interactive

Language: Английский

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Stretchable Transistor‐Structured Artificial Synapses for Neuromorphic Electronics

Small, Journal Year: 2023, Volume and Issue: 19(18)

Published: Feb. 7, 2023

Abstract Stretchable synaptic transistors, a core technology in neuromorphic electronics, have functions and structures similar to biological synapses can concurrently transmit signals learn. transistors are usually soft stretchy accommodate various mechanical deformations, which presents significant prospects machines, electronic skin, human–brain interfaces, wearable electronics. Considerable efforts been devoted developing stretchable implement device functions, remarkable advances achieved. Here, this review introduces the basic concept of artificial summarizes recent progress structures, functional‐layer materials, fabrication processes. Classical including electric double‐layer electrochemical optoelectronic as well applications light‐sensory systems, tactile‐sensory multisensory artificial‐nerves discussed. Finally, current challenges potential directions analyzed. This detailed introduction from applications, providing reference for development future.

Language: Английский

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Electronic Skin for Health Monitoring Systems: Properties, Functions, and Applications

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(31)

Published: May 17, 2024

Abstract Electronic skin (e‐skin), a skin‐like wearable electronic device, holds great promise in the fields of telemedicine and personalized healthcare because its good flexibility, biocompatibility, conformability, sensing performance. E‐skin can monitor various health indicators human body real time over long term, including physical (exercise, respiration, blood pressure, etc.) chemical (saliva, sweat, urine, etc.). In recent years, development materials, analysis, manufacturing technologies has promoted significant e‐skin, laying foundation for application next‐generation medical devices. Herein, properties required e‐skin monitoring devices to achieve long‐term precise summarize several detectable field are discussed. Subsequently, applications integrated systems reviewed. Finally, current challenges future directions this This review is expected generate interest inspiration improvement systems.

Language: Английский

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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

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Neuromorphic Nanoionics for Human–Machine Interaction: From Materials to Applications

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(37)

Published: Feb. 29, 2024

Abstract Human–machine interaction (HMI) technology has undergone significant advancements in recent years, enabling seamless communication between humans and machines. Its expansion extended into various emerging domains, including human healthcare, machine perception, biointerfaces, thereby magnifying the demand for advanced intelligent technologies. Neuromorphic computing, a paradigm rooted nanoionic devices that emulate operations architecture of brain, emerged as powerful tool highly efficient information processing. This paper delivers comprehensive review developments device‐based neuromorphic computing technologies their pivotal role shaping next‐generation HMI. Through detailed examination fundamental mechanisms behaviors, explores ability memristors ion‐gated transistors to intricate functions neurons synapses. Crucial performance metrics, such reliability, energy efficiency, flexibility, biocompatibility, are rigorously evaluated. Potential applications, challenges, opportunities using HMI technologies, discussed outlooked, shedding light on fusion with

Language: Английский

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Artificial self-powered and self-healable neuromorphic vision skin utilizing silver nanoparticle-doped ionogel photosynaptic heterostructure

Journal of Semiconductors, Journal Year: 2025, Volume and Issue: 46(1), P. 012602 - 012602

Published: Jan. 1, 2025

Abstract Artificial skin should embody a softly functional film that is capable of self-powering, healing and sensing with neuromorphic processing. However, the pursuit bionic combines high flexibility, self-healability, zero-powered photosynaptic functionality remains elusive. In this study, we report self-powered self-healable vision skin, featuring silver nanoparticle-doped ionogel heterostructure as photoacceptor. The localized surface plasmon resonance induced by light in nanoparticles triggers temperature fluctuations within heterojunction, facilitating ion migration for visual synaptic behaviors. abundant reversible hydrogen bonds endow remarkable mechanical flexibility self-healing properties. We assembled equipped 5 × photosynapse array, memorizing diverse patterns.

Language: Английский

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Review of Flexible Wearable Sensor Devices for Biomedical Application

Micromachines, Journal Year: 2022, Volume and Issue: 13(9), P. 1395 - 1395

Published: Aug. 26, 2022

With the development of cross-fertilisation in various disciplines, flexible wearable sensing technologies have emerged, bringing together many such as biomedicine, materials science, control and communication technology. Over past few years, multiple types devices that are widely used for detection human physiological signals has proven strong biocompatibility a great potential further development. These include electronic skin patches, soft robots, bio-batteries, personalised medical devices. In this review, we present an updated overview emerging sensor biomedical applications comprehensive summary research progress sensors. First, describe selection fabrication their excellent electrochemical properties. We evaluate mechanisms by which these work, then categorise compare unique advantages variety from perspective vitro vivo sensing, well some exciting body. Finally, summarise opportunities challenges field

Language: Английский

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A Flexible and Biomimetic Olfactory Synapse with Gasotransmitter‐Mediated Plasticity

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(18)

Published: Feb. 22, 2023

Abstract Neuromorphic electronics has demonstrated great promise in mimicking the sensory and memory functions of biological systems. However, synaptic devices with desirable sensitivity, selectivity, operational voltage imitating olfactory system have rarely been reported. Here, a flexible biomimetic synapse based on an organic electrochemical transistor (OECT) coupled breath‐figure derived porous solid polymer electrolyte (SPE) is proposed. The device demonstrates excellent sensitivity ppb‐level response limit selectivity toward hydrogen sulfide (H 2 S) over other gases, successfully achieves wireless real‐time detection excessive concentration H S from rotten eggs. S‐mediated plasticity accomplished typical behaviors are realized, including short‐term (STM), long‐term (LTM), transition STM to LTM, etc., enabling imitation potential cumulative damages upon exposure. proposed paves new ways next‐generation systems capable sensing memorizing functionalities neurobiological systems, offering critical materials strategies accomplish intelligent artificial

Language: Английский

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