从桑蚕丝绸到可穿戴应变传感器
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- 英文论文题名：Silk Fabric Based Wearable Strain Sensor
- 论文作者：王春雅 ; 张明超 ; 张莹莹
- 英文论文作者：Chunya Wang ; Mingchao Zhang ; Yingying Zhang ; Department of Chemistry & Center for Nano and Micro Mechanics (CNMM) ; University of Tsinghua
- 年：2016
- 作者机构：清华大学化学系&清华大学微纳米力学研究中心(CNMM);
- 论文关键词：丝绸 ; 纳米石墨碳 ; 编织结构 ; 应变传感器 ; 可穿戴器件
- 会议召开时间：2016-07-01
- 会议录名称：中国化学会第30届学术年会摘要集-第四十一分会：纳米材料与器件
- 语种：中文
- 分类号：TP212
- 学会代码：ZGHY
- 会议名称：中国化学会第30届学术年会-第四十一分会 ; 纳米材料与器件
- 会议地点：中国辽宁大连
- 主办单位：中国化学会
- 学会名称：中国化学会
- 页数：1
- 文件大小：172k
- 原文格式：D
- 会议级别：全国
摘要
作为可穿戴电子设备重要组分的可穿戴应变传感器需具有一定机械柔性、高可拉伸性、高灵敏性、快速响应性、高耐久性等特性以实现其在人体运动检测、个人医疗等方面的应用。~[1]目前报道的柔性应变传感器往往不能同时获得高灵敏性及高可拉伸性,限制了其在全尺度人体运动检测方面的应用。~[2]我们利用具有多级结构的平纹桑蚕丝绸(其经纬线分别由加捻蚕丝纤维和平行蚕丝纤维组成)进行高温处理,得到保持原有多级结构且具有高导电性及柔性的碳化丝绸,将其用于柔性可穿戴应变传感器。该应变传感器展示了优异的性能,包括高可拉伸性(>500%应变)及高灵敏性(在250%和250%-500%应变范围内灵敏系数分别达9.6和37.5)、快速响应性(响应时间<70 ms)及高稳定性(>10,000次循环)等。~[3]该应变传感器可实现人体全尺度运动(关节运动等大尺度运动以及脉搏、微表情、呼吸、声带发声等小尺度运动)的可穿戴式检测,且可将其与信号处理及命令生成系统集成实现对人体运动的捕捉与重建。
Based on a carbonized-silk-fabric with a plain-weave-structure, a ultra-stretchable and highly sensitive strain sensor was developed. Owing to the unique plain-weave-structure in which the weft yarns are composed of parallel fibers and the warp yarns are composed of twisted fibers, the carbonized-silk-fabric based strain sensor(CSF strain sensor) showed combined superiority of wide sensing range(from 0% to more than 500% strain), high sensitivity, fast response(<70 ms) and high durability(10,000 cycles).The impressive performance of the CSF strain sensor in detecting both of large and subtle human motions, and in capture and reconstruction of human body movements was further demonstrated, showing its great potentials for applications in wearable devices and intelligent robots.
Based on a carbonized-silk-fabric with a plain-weave-structure, a ultra-stretchable and highly sensitive strain sensor was developed. Owing to the unique plain-weave-structure in which the weft yarns are composed of parallel fibers and the warp yarns are composed of twisted fibers, the carbonized-silk-fabric based strain sensor(CSF strain sensor) showed combined superiority of wide sensing range(from 0% to more than 500% strain), high sensitivity, fast response(<70 ms) and high durability(10,000 cycles).The impressive performance of the CSF strain sensor in detecting both of large and subtle human motions, and in capture and reconstruction of human body movements was further demonstrated, showing its great potentials for applications in wearable devices and intelligent robots.
引文
[1]Park,J.;You,I.;Shin,S.;Jeong,U.Chem Phys Chem,2015,16:1155.
[2]Zhao,J.;Wang,G.;Yang,R.;Lu,X.et al.,ACS Nano,2015,9:1622.
[3]Wang,C.;Li,X.;Gao,E.;Jian,M.et al.,Adv.Mater.2016,In Press.
[2]Zhao,J.;Wang,G.;Yang,R.;Lu,X.et al.,ACS Nano,2015,9:1622.
[3]Wang,C.;Li,X.;Gao,E.;Jian,M.et al.,Adv.Mater.2016,In Press.