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首页> 外文期刊>Journal of Materials Science >Fabrication of high-performance wearable strain sensors by using CNTs-coated electrospun polyurethane nanofibers
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Fabrication of high-performance wearable strain sensors by using CNTs-coated electrospun polyurethane nanofibers

机译：使用CNTS涂层电纺聚氨酯纳米纤维制备高性能可穿戴菌株传感器

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摘要

In this work, a new kind of composite nanofiber-based strain sensor with superior electromechanical properties was fabricated by using aligned thermal plastic polyurethane (TPU) nanofibers coated with multi-wall carbon nanotubes (CNTs). In order to improve the deposition efficiency and the fastness of CNTs coating on TPU nanofibers, bio-inspired dopamine (DA) was employed to modify the surface of the TPU nanofiber via a fast deposition method. (The composite nanofibers obtained were denoted as DATPU.) The electromechanical tests showed that DATPU/CNTs nanofiber membrane had a wide linear working range of 370% in the direction parallel to the nanofibers (P-DATPU/CNTs), a high gauge factor of 22.0 and a high linear coefficient of determination (r(2)) of 0.997. P-DATPU/CNTs nanofibers also exhibited excellent durability during stretching-releasing test for 5000 cycles. The P-DATPU/CNTs composite nanofibers demonstrated high sensing performance in detecting human motions of finger and elbow bendings.
机译：在这项工作中，通过使用涂覆有多壁碳纳米管（CNT）的对齐的热塑料聚氨酯（TPU）纳米纤维来制造具有优异机电性能的新型复合纳米纤维的应变传感器。为了提高TPU纳米纤维上CNTs涂层的沉积效率和CNTs涂层的牢度，使用生物启发多巴胺（DA）通过快速沉积方法改变TPU纳米纤维的表面。 （得到的复合纳米纤维被称为DADPU。）机电测试表明，DATPU / CNT纳米纤维膜在平行于纳米纤维（P-DATPU / CNT）的方向上具有370％的宽线性工作范围，高规格因子22.0和高线性测定系数（R（2））为0.997。 P-DATPU / CNT纳米纤维在拉伸释放试验期间也表现出优异的耐久性5000次循环。 P-DATPU / CNT复合纳米纤维在检测手指和肘部弯曲的人类运动方面表现出高的感测性能。

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  • 来源
    《Journal of Materials Science》 |2020年第26期|共15页
  • 作者

    Wang Yuhao; Li Wenyue; Zhou Yanfen; Jiang Liang; Ma Jianwei; Chen Shaojuan; Jerrams Stephen; Zhou Fenglei;

  • 作者单位

    Qingdao Univ Coll Text &

    Clothing Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Qingdao 266071 Peoples R China;

    Qingdao Univ Coll Text &

    Clothing Qingdao 266071 Peoples R China;

    Dublin Inst Technol Focas Res Inst Ctr Elastomer Res Dublin D08 NF82 Ireland;

    Qingdao Univ Coll Text &

    Clothing Qingdao 266071 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料学;
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