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首页> 外文期刊>Organic Electronics >High-sensitivity crack-based flexible strain sensor with dual hydrogen bond-assisted structure for monitoring tiny human motions and writing behavior
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High-sensitivity crack-based flexible strain sensor with dual hydrogen bond-assisted structure for monitoring tiny human motions and writing behavior

机译：基于高灵敏度裂缝的柔性应变传感器，具有双氢键辅助结构，用于监测微小的人类运动和书写行为

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摘要

Owing to their ultrahigh sensitivity, crack-based flexible strain sensors have garnered considerable attention in recent years. In this study, a practical, and reliable chemical bonding-based dip-coating method is proposed to fabricate high sensitivity and high stability crack-based flexible strain sensor with dual hydrogen bond-assisted structure. The strain sensor has a sandwich structure, which is composed of graphene nanoplatelets (GNPs)/poly (sodium-p-styrenesulfonate) (PSS) conductive layer, ultra-violet (UV) adhesive substrate layer, and UV adhesive covering layer. The fabrication process, principle of dual hydrogen bond-assisted structure, strain sensing mechanism, and various properties of die proposed sensor are examined. It is demonstrated that the cracks and the dual hydrogen bond-assisted structure facilitate a practical strain sensor with high sensitivity (gauge factor of 19.65 in the strain range of 0-30%), long-term stability (over 10,000 cycles), good linearity, negligible drift, fast response time (~50 ms), and low detection limit (0.10%). Meanwhile, the proposed crack-based flexible strain sensor can be used as a wearable device, which can be directly mounted on human skin to monitor tiny human motions and writing behavior. Consequently, it exhibits immense potential for wearable applications including artificial skin, human-machine interfaces, and medical healthcare.
机译：由于它们的超高敏感性，近年来基于裂缝的柔性应变传感器已经获得了相当大的关注。在该研究中，提出了一种实用且可靠的化学键合的浸涂方法，以制造具有双氢键辅助结构的高灵敏度和高稳定性裂缝的柔性应变传感器。应变传感器具有夹层结构，该夹层结构由石墨烯纳米片（GNPS）/聚（钠-P-苯乙烯磺酸盐）（PSS）导电层，紫外（UV）粘合剂基板层和UV粘合剂覆盖层组成。采用制造工艺，双氢粘结结构，应变感应机构和模具提出传感器的各种性能的原理。结果表明，裂缝和双氢粘合辅助结构有助于具有高灵敏度的实用应变传感器（量尺寸为19.65，应变范围为0-30％），长期稳定性（超过10,000个循环），良好的线性度漂移，空速，快速响应时间（〜50毫秒）和低检测限（0.10％）。同时，所提出的基于裂缝的柔性应变传感器可用作可穿戴装置，可直接安装在人体上，以监测微小的人类运动和书写行为。因此，它表现出可穿戴应用的巨大潜力，包括人造皮肤，人机界面和医疗医疗保健。

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  • 来源
    《Organic Electronics》 |2021年第1期|105977.1-105977.10|共10页
  • 作者

    Caixia Liu; Mengdi Li; Baisheng Lu; Ying Huang; Yangyang Zhang; Ping Liu; Xiaohui Guo; Yuanming Ma; Yugang Zhang; Shenyang Li; Wei Chen; Yunjian Ge;

  • 作者单位

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronics and Information Engineering Anhui University Hefei Anhui 230601 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    School of Electronic Science & Applied Physics Hefei University of Technology Hefei Anhui 230009 PR China;

    Institute of Intelligent Machines Chinese Academy of Sciences Hefei Anhui 230031 PR China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Cracks; Ultra-violet adhesive substrate; Dual hydrogen bond-assisted structure; High sensitivity; High stability; Human motion detection;

    机译：裂缝;紫外粘合剂基材;双氢键辅助结构;高灵敏度;高稳定性;人体运动检测;
  • 入库时间 2022-08-18 22:55:33

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