Multifunctional Flexible Humidity Sensor Systems Towards Noncontact Wearable Electronics

查看全文 作　　者：Yuyao [1]Lu;Geng [1]Yang;Yajing [2]Shen;Huayong [1]Yang;Kaichen [1]Xu

机构地区：[1]State Key Laboratory of Fluid Power and Mechatronic Systems,School of Mechanical Engineering,Zhejiang University,Hangzhou 310027,People’s Republic of China;[2]Department of Biomedical Engineering,City University of Hong Kong,Hong Kong,People’s Republic of China

出　　处：《Nano-Micro Letters》索引2022年第14卷第9期,共34页

基　　金：supported by the National Science and Technology Innovation 2030 Major Project(Grant No.2022ZD0208601);the National Natural Science Foundation of China(Grant No.52105593 and 51975513);the Natural Science Foundation of Zhejiang Province,China(No.LR20E050003)。 摘　　要：In the past decade,the global industry and research attentions on intelligent skin-like electronics have boosted their applications in diverse fields including human healthcare,Internet of Things,human–machine interfaces,artificial intelligence and soft robotics.Among them,flexible humidity sensors play a vital role in noncontact measurements relying on the unique property of rapid response to humidity change.This work presents an overview of recent advances in flexible humidity sensors using various active functional materials for contactless monitoring.Four categories of humidity sensors are highlighted based on resistive,capacitive,impedance-type and voltage-type working mechanisms.Furthermore,typical strategies including chemical doping,structural design and Joule heating are introduced to enhance the performance of humidity sensors.Drawing on the noncontact perception capability,human/plant healthcare management,human-machine interactions as well as integrated humidity sensor-based feedback systems are presented.The burgeoning innovations in this research field will benefit human society,especially during the COVID-19 epidemic,where cross-infection should be averted and contactless sensation is highly desired. 关键词：Flexible electronics Flexible humidity sensors Noncontact detection Healthcare monitoring Human-machine interactions COVID-19 epidemic

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Multifunctional Flexible Humidity Sensor Systems Towards Noncontact Wearable Electronics

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