Electronic skin,a class of wearable electronic sensors that mimic the functionalities of human skin,has made remarkable success in applications including health monitoring,human-machine interaction and electronic-biol...Electronic skin,a class of wearable electronic sensors that mimic the functionalities of human skin,has made remarkable success in applications including health monitoring,human-machine interaction and electronic-biological interfaces.While electronic skin continues to achieve higher sensitivity and faster response,its ultimate performance is fundamentally limited by the nature of low-frequency AC currents.Herein,highly sensitive skin-like wearable optical sensors are demonstrated by embedding glass micro/nanofibers(MNFs)in thin layers of polydimethylsiloxane(PDMS).Enabled by the transition from guided modes into radiation modes of the waveguiding MNFs upon external stimuli,the skin-like optical sensors show ultrahigh sensitivity(1870 k·Pa^-1),low detection limit(7 mPa)and fast response(10μs)for pressure sensing,significantly exceeding the performance metrics of state-of-the-art electronic skins.Electromagnetic interference(EMI)-free detection of high-frequency vibrations,wrist pulse and human voice are realized.Moreover,a five-sensor optical data glove and a 2×2-MNF tactile sensor are demonstrated.These initial results pave the way toward a new category of optical devices ranging from ultrasensitive wearable sensors to optical skins.展开更多
With the rapid development of intelligent technology,tactile sensors as sensing devices constitute the core foundation of intelligent systems.Biological organs that can sense various stimuli play vital roles in the in...With the rapid development of intelligent technology,tactile sensors as sensing devices constitute the core foundation of intelligent systems.Biological organs that can sense various stimuli play vital roles in the interaction between human beings and the external environment.Inspired by this fact,research on skin-like tactile sensors with multifunctionality and high performance has attracted extensive attention.An overview of the development of high-performance tactile sensors applied in intelligent systems is systematically presented.First,the development of tactile sensors endowed with stretchability,selfhealing,biodegradability,high resolution and self-powered capability is discussed.Then,for intelligent systems,tactile sensors with excellent application prospects in many fields,such as wearable devices,medical treatment,artificial limbs and robotics,are presented.Finally,the future prospects of tactile sensors for intelligent systems are discussed.展开更多
基金This work was supported by the National Key Research and Development Program of China(2016YFB1001300)the National Natural Science Foundation of China(No.11527901)the Fundamental Research Funds for the Central Universities.
文摘Electronic skin,a class of wearable electronic sensors that mimic the functionalities of human skin,has made remarkable success in applications including health monitoring,human-machine interaction and electronic-biological interfaces.While electronic skin continues to achieve higher sensitivity and faster response,its ultimate performance is fundamentally limited by the nature of low-frequency AC currents.Herein,highly sensitive skin-like wearable optical sensors are demonstrated by embedding glass micro/nanofibers(MNFs)in thin layers of polydimethylsiloxane(PDMS).Enabled by the transition from guided modes into radiation modes of the waveguiding MNFs upon external stimuli,the skin-like optical sensors show ultrahigh sensitivity(1870 k·Pa^-1),low detection limit(7 mPa)and fast response(10μs)for pressure sensing,significantly exceeding the performance metrics of state-of-the-art electronic skins.Electromagnetic interference(EMI)-free detection of high-frequency vibrations,wrist pulse and human voice are realized.Moreover,a five-sensor optical data glove and a 2×2-MNF tactile sensor are demonstrated.These initial results pave the way toward a new category of optical devices ranging from ultrasensitive wearable sensors to optical skins.
基金supported by the National Key Research and Development Program of China (2016YFA0202703)the National Natural Science Foundation of China (51622205, 61675027, 51432005, 61505010, and 51502018)+1 种基金Beijing City Committee of Science and Technology (Z171100002017019 and Z181100004418004)Beijing Natural Science Foundation (4181004, 4182080, 4184110, and 2184131)
文摘With the rapid development of intelligent technology,tactile sensors as sensing devices constitute the core foundation of intelligent systems.Biological organs that can sense various stimuli play vital roles in the interaction between human beings and the external environment.Inspired by this fact,research on skin-like tactile sensors with multifunctionality and high performance has attracted extensive attention.An overview of the development of high-performance tactile sensors applied in intelligent systems is systematically presented.First,the development of tactile sensors endowed with stretchability,selfhealing,biodegradability,high resolution and self-powered capability is discussed.Then,for intelligent systems,tactile sensors with excellent application prospects in many fields,such as wearable devices,medical treatment,artificial limbs and robotics,are presented.Finally,the future prospects of tactile sensors for intelligent systems are discussed.
