文献类型：期刊文献

英文题名：3D-Printed Coaxial Fibers for Integrated Wearable Sensor Skin

作者：Gao, Yang[1];Yu, Guohui[1];Shu, Tao[1];Chen, Yonqiu[2];Yang, Wenzhen[2];Liu, Yu[2];Long, Jing[3];Xiong, Wei[3];Xuan, Fuzhen[1]

机构：[1]East China Univ Sci & Technol, Sch Mech & Power Engn, Shanghai 200237, Peoples R China;[2]Jiangnan Univ, Sch Mech Engn, Wuxi 214122, Jiangsu, Peoples R China;[3]Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China

年份：2019

卷号：4

期号：10

外文期刊名：ADVANCED MATERIALS TECHNOLOGIES

收录：;EI(收录号：20193407343812);WOS:【SCI-EXPANDED(收录号:WOS:000482352000001)】；

基金：This project was supported by National Key Research and Development Program of China (no. 2018YFB1105400), National Natural Science Foundation of China (grant no. 51705154 and 61804054), Shanghai Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning, Shanghai Rising-Star Program (A type) (grant no. 18QA1401300), and Shanghai Sailing Program 17YF1403300.

语种：英文

外文关键词：coaxial 3D printing; electrical properties; force detection; integrated wearable sensors

摘要：Coaxial 3D printing technology, with its advantages of scalability and controllability, is applied in research to develop integrated wearable sensors composed of pressure sensor arrays and strain sensors. In order to improve the performance of the pressure sensor array, microstructures molded from sandpaper are introduced into the contact interface of the extruded fibers, resulting in a sensitivity (defined as the ratio of capacitance change to the change of applied pressure) of 0.562 kPa(-1), a response/relaxation time of 230 ms, and a high durability. The printed strain sensor has a sensitivity (defined as the ratio of resistance change to the change of applied strain) of 11.8 and a good stability for 10000 cycles. The high-performance pressure sensor array and strain sensors give the integrated device the ability to detect various mechanical stimuli such as pressing, bending, twisting, and shear forces, showing potential application in the field of electronic skin.