Weave-pattern-dependent fabric piezoelectric pressure sensors based on polyvinylidene fluoride nanofibers electrospun with 50 nozzles
作者机构：Department of Materials Science and EngineeringYonsei UniversitySeoul 03722Republic of Korea Department of Textile Engineering and TechnologyYeungnam UniversityGyeongsan 38541Republic of Korea Deparment of TextileMerchandising and Fashion DesignSeoul National UniversitySeoul 08826Republic of Korea Samsung Electro-Mechanics Co.Ltd.Suwon 16674Republic of Korea Ceratorq Inc.Seoul 08511Republic of Korea Electronic Materials and Component CenterKorea Institute of Ceramic Engineering and TechnologyJinju 52851Republic of Korea
出 版 物：《npj Flexible Electronics》 (npj-柔性电子（英文）)
年 卷 期：2022年第6卷第1期
页 面：699-707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]
主 题：pattern fluoride piezoelectric
摘 要：Wearable pressure sensors having versatile device structures have been extensively investigated to achieve high sensitivity under mechanical ***,we introduce piezoelectric pressure sensors based on fabrics woven using polyvinylidene fluoride(PVDF)weft and polyethylene terephthalate(PET)warp yarns with different weave structures:1/1(plain),2/2,and 3/3 weft rib *** dependence of the pressure-sensing performance on the weave pattern is demonstrated with an actual large-scale fabric up to the~2 m *** optimized pressure sensor with a 2/2 weft rib pattern produced a high sensitivity of 83 mV N−1,which was 245%higher than that of the 1/1 *** detection performance of the optimal fabric was extensively evaluated with a variety of ambient input sources,such as pressing,bending,twisting,and crumpling,as well as various human ***,a large allfabric pressure sensor with arrayed touch pixel units demonstrated highly sensitive and stable sensing performance.
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