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首页> 外文期刊>Advanced Functional Materials >Stretchable Conductive Fibers Based on a Cracking Control Strategy for Wearable Electronics
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Stretchable Conductive Fibers Based on a Cracking Control Strategy for Wearable Electronics

机译：基于裂纹控制策略的可穿戴电子可拉伸导电纤维

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摘要

Stretchability plays an important role in wearable devices. Repeated stretching often causes the conductivity dramatically decreasing due to the damage of the inner conductive layer, which is a fatal and undesirable issue in this field. Herein, a convenient rolling strategy to prepare conductive fibers with high stretchability based on a spiral structure is proposed. With the simple rolling design, low resistance change can be obtained due to confined elongation nof the gold thin-film cracks, which is caused by the encapsulated effect in such a structure. When the fiber is under 50% strain, the resistance change (R/R-0) is about 1.5, which is much lower than a thin film at the same strain (R/R-0 approximate to 10). The fiber can even afford a high load strain (up to 100%), but still retain good conductivity. Such a design further demonstrates its capability when it is used as a conductor to confirm signal transfer with low attenuation, which can also be woven into textile to fabricate wearable electronics.
机译：伸缩性在可穿戴设备中起着重要作用。重复拉伸通常会由于内部导电层的损坏而导致电导率急剧下降，这是该领域中的致命和不希望的问题。在此，提出了一种方便的轧制策略，以基于螺旋结构来制备具有高拉伸性的导电纤维。通过简单的轧制设计，由于金薄膜裂纹的有限伸长率，可以得到低电阻变化，这是由于在这种结构中的封装效应引起的。当光纤处于50％应变下时，电阻变化（R / R-0）约为1.5，远低于相同应变下的薄膜（R / R-0约为10）。该纤维甚至可以提供高的负载应变（高达100％），但仍保持良好的导电性。这种设计在用作导体以确认信号传递时具有低衰减的情况下进一步证明了其功能，该信号也可以编织到纺织品中以制造可穿戴电子设备。

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  • 来源
    《Advanced Functional Materials》 |2018年第29期|1801683.1-1801683.7|共7页
  • 作者

    Zhang Bo; Lei Jie; Qi Dianpeng; Liu Zhiyuan; Wang Yu; Xiao Gengwu; Wu Jiansheng; Zhang Weina; Huo Fengwei; Chen Xiaodong;

  • 作者单位

    Nanjing Tech Univ NanjingTech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;

    Nanjing Tech Univ NanjingTech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;

    Nanyang Technol Univ, Innovat Ctr Flexible Devices iFLEX, Sch Mat Sci & Engn, Singapore 639798, Singapore;

    Nanyang Technol Univ, Innovat Ctr Flexible Devices iFLEX, Sch Mat Sci & Engn, Singapore 639798, Singapore;

    Nanjing Tech Univ NanjingTech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;

    Nanjing Tech Univ NanjingTech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;

    Nanjing Tech Univ NanjingTech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;

    Nanjing Tech Univ NanjingTech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;

    Nanjing Tech Univ NanjingTech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China;

    Nanyang Technol Univ, Innovat Ctr Flexible Devices iFLEX, Sch Mat Sci & Engn, Singapore 639798, Singapore;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    composite thin films; conductive fibers; ultrathin films; wearable electronics;

    机译：复合薄膜;导电纤维;超薄膜;可穿戴电子产品;

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