Stretchable,skin-conformal,and self-powered wearable pressure sensors have garnered significant attention for use in human joint bending motion monitoring.Here,a piezo-triboelectric pressure sensor(P-TPS)based on trib...Stretchable,skin-conformal,and self-powered wearable pressure sensors have garnered significant attention for use in human joint bending motion monitoring.Here,a piezo-triboelectric pressure sensor(P-TPS)based on triboelectric nanogenerator and piezoelectric nanogenerator is demonstrated.The P-TPS can generate an enhanced electrical output by coupling the dual-mode triboelectrification and piezoelectric effect.The P-TPS shows high sensitivity(voltage=0.3 V/kPa;current=4.3 nA/kPa;pres-sure range=0-200 kPa),high linearity,and good stability.Furthermore,it demonstrates a wide mea-surement range(0-800 kPa),table frequency response,and fast response time.Additionally,all components of the P-TPS are fabricated using flexible and stretchable materials,affording satisfactory stretchability and excellent skin conformality.Owing to their ability to self-power,they can be attached to the outside of joints to monitor human joint bending movements in real time.Hence,this study provides a novel method of using a stretchable and skin-conformal piezo-triboelectric nanogenerator with high electrical performance as a self-powered pressure sensor,which offers significant potential in personalized recognition,medical research,and human machine interface.展开更多
基金The authors acknowledgethe funding support fromthe National Key R&D Program of China(2019YFF0301802,2019YFB2004802,and 2018YFF0300605)National Natural Science Foundation of China(62101513,51975542)+2 种基金the Innovative Research Group Project of National Natural Science Foundation of China(51821003)Shanxi“1331 Project”Key Subject Construction(1331KSC)Applied Fundamental Research Program of Shanxi Province(201801D121152).
文摘Stretchable,skin-conformal,and self-powered wearable pressure sensors have garnered significant attention for use in human joint bending motion monitoring.Here,a piezo-triboelectric pressure sensor(P-TPS)based on triboelectric nanogenerator and piezoelectric nanogenerator is demonstrated.The P-TPS can generate an enhanced electrical output by coupling the dual-mode triboelectrification and piezoelectric effect.The P-TPS shows high sensitivity(voltage=0.3 V/kPa;current=4.3 nA/kPa;pres-sure range=0-200 kPa),high linearity,and good stability.Furthermore,it demonstrates a wide mea-surement range(0-800 kPa),table frequency response,and fast response time.Additionally,all components of the P-TPS are fabricated using flexible and stretchable materials,affording satisfactory stretchability and excellent skin conformality.Owing to their ability to self-power,they can be attached to the outside of joints to monitor human joint bending movements in real time.Hence,this study provides a novel method of using a stretchable and skin-conformal piezo-triboelectric nanogenerator with high electrical performance as a self-powered pressure sensor,which offers significant potential in personalized recognition,medical research,and human machine interface.
