Highly Sensitive Pseudocapacitive Iontronic Pressure Sensor with Broad Sensing Range

作     者：Libo Gao Meng Wang Weidong Wang Hongcheng Xu Yuejiao Wang Haitao Zhao Ke Cao Dandan Xu Lei Li Libo Gao;Meng Wang;Weidong Wang;Hongcheng Xu;Yuejiao Wang;Haitao Zhao;Ke Cao;Dandan Xu;Lei Li

作者机构：School of Mechano-Electronic EngineeringXidian UniversityXian 710071ShaanxiP.R.China CityU-Xidian Joint Laboratory of Micro/Nano-ManufacturingShenzhen 518057P.R.China Department of Mechanical EngineeringCity University of Hong KongKowloon 999077Hong Kong SARP.R.China Materials Interfaces CenterShenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen 518055GuangdongP.R.China State Key Laboratory for Mechanical Behavior of MaterialsXian Jiaotong UniversityNo.28Xianning West RoadXian 710049ShaanxiP.R.China 

出 版 物：《Nano-Micro Letters》 (纳微快报（英文版）)

年 卷 期：2021年第13卷第9期

页      面：209-222页

核心收录：

学科分类：080202[工学-机械电子工程] 08[工学] 0802[工学-机械工程] 

基　　金：These authors would like to acknowledge the financial support of the project from the National Natural Science Foundation of China(No.61904141) the funding of Natural Science Foundation of Shaanxi Province(No.2020JQ-295) China Postdoctoral Science Foundation(2020M673340) the Fundamental Research Funds for the Central Universities(JB210407) the Key Research and Development Program of Shaanxi(Program No.2020GY-252 No.2021GY-277) National Key Laboratory of Science and Technology on Vacuum Technology and Physics(HTKJ2019KL510007) 

主　　题：Iontronic sensor Flexible electronics Pressure sensor Pseudocapacitance Ti_(3)C_(2)T_(x)MXene 

摘      要：Flexible pressure sensors are unprecedentedly studied on monitoring human physical activities and ***,improving the response sensitivity and sensing range of flexible pressure sensors is a great challenge,which hinders the devices’practical *** this obstacle,we developed a Ti_(3)C_(2)T_(x)-derived iontronic pressure sensor(TIPS)by taking the advantages of the high intercalation pseudocapacitance under high pressure and rationally designed structural *** achieved an ultrahigh sen-sitivity(S_(min)200 kPa^(−1),S_(max)45,000 kPa^(−1))in a broad sensing range of over 1.4 MPa and low limit of detection of 20 Pa as well as stable long-term working durability for 10,000 *** practical application of TIPS in physical activity monitoring and flexible robot manifested its versatile *** study provides a demonstration for exploring pseudocapacitive materials for building flexible iontronic sensors with ultrahigh sensitivity and sensing range to advance the development of high-performance wearable electronics.