Highly stable capacitive tactile sensors with tunable sensitivity facilitated by electrostatic interaction of layered double hydroxide,MXene,and Ag NWs

作     者：SHEN GengZhe HUANG WeiQing LI HaiFeng WANG FengMing SU DaoJian LI BaiJun ZHANG BoLun LIANG Ping ZHANG Chi XIN Yue HE Xin 

作者机构：School of Applied Physics and MaterialsWuyi UniversityJiangmen 529020China School of Materials and EnergyGuangdong University of TechnologyGuangzhou 510006China 

出 版 物：《Science China(Technological Sciences)》 (中国科学（技术科学英文版）)

年 卷 期：2023年第66卷第11期

页      面：3287-3297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：supported by the Natural Science Foundation of Guangdong Province(Grant No.2021A1515010691) the College Innovation Team Project of Guangdong Province(Grant No.2021KCXTD042) the Major Program of Basic Research and Applied Research of Guangdong Province(Grant No.2019KZDXM051) Wuyi University-Hong Kong-Macao Joint Research and Development Fund(Grant Nos.2019WGALH06 and 2021WGALH15) 

主　　题：capacitive tactile sensor adjustable sensitivity long-term durability human activity monitoring 

摘      要：A capacitive tactile sensor(CTS)has been developed by assembling a double-sided patterned dielectric layer and novel *** patterned aluminium foil-supported electrode comprises zinc-aluminium layered double hydroxides(Zn AlLDH),MXene,and Ag NWs via electrostatic *** flexible device enables greater structural deformation,thereby enhancing sensitivity to a wide range of *** sensitivity of the CTS can be customized to meet specific requirements by matching the microstructured electrodes with the patterned dielectric *** optimized sensor exhibits a sensitivity of 2.752 kPa^(–1)within 30 kPa,a response time of approximately 100 ms,and a wide detection range of 0–300 *** strong physical interaction among the electrode materials ensures a reliable conductive network,ensuring the long-term stability of the sensor,even after 7500 loading and unloading ***,the fabricated CTS device presents a promising prospect for the integration into wearable electronics,with the ability to effectively respond to both human activities and external physical stimuli.