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Ag/alginate nanofiber membrane for flexible electronic skin

机译：Ag /藻酸盐纳米纤维膜，用于柔性电子皮肤

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摘要

Flexible electronic skin has stimulated significant interest due to its widespread applications in the fields of human-machine interactivity, smart robots and health monitoring. As typical elements of electrical skin, the fabrication process of most pressure sensors combined nanomaterials and PDMS films are redundant, expensive and complicated, and their unknown biological toxicity could not be widely used in electronic skin. Hence, we report a novel, costeffective and antibacterial approach to immobilizing silver nanoparticles into-electrospun Naalginate nanofibers. Due to the unique role of carboxyl and hydroxyl groups in Na-alginate, the silver nanopaticles with 30 nm size in diameter were uniformly distributed inside and outside the alginate nanofibers, which obtained pressure sensor shows stable response, including an ultralow detection limited (1 pa) and high durability (> 1000 cycles). Notably, the pressure sensor fabricated by these Ag/alginate nanofibers could not only follow human respiration but also accurately distinguish words like 'Nano' and 'Perfect' spoke by a tester. Interestingly, the pixelated sensor arrays based on these Ag/alginate nanofibers could monitor distribution of objects and reflect their weight by measuring the different current values. Moreover, these Ag/alginate nanofibers exhibit great antibacterial activity, implying the great potential application in artificial electronic skin.
机译：由于其在人机交互，智能机器人和健康监测领域的广泛应用，灵活的电子皮肤刺激了很大的兴趣。作为电皮肤的典型元素，大多数压力传感器组合的纳米材料和PDMS膜的制造过程是冗余的，昂贵的且复杂，并且它们未知的生物毒性不能广泛用于电子皮肤中。因此，我们报告了一种新颖的，成本效益和抗菌方法，使将银纳米颗粒固定到Electrown Naalginate纳米纤维中。由于羧基和羟基在藻酸盐中的作用，直径为30nm尺寸的银纳米型均匀地分布在藻酸盐纳米纤维内部外部，其获得压力传感器显示出稳定的反应，包括超级检测有限公司（1Pa ）和高耐久性（> 1000个循环）。值得注意的是，由这些Ag /藻酸盐纳米纤维制造的压力传感器不仅可以遵循人类呼吸，而且还可以准确地区分“纳米”和“完美”讲话的词语。有趣的是，基于这些AG /藻酸盐纳米纤维的像素化传感器阵列可以通过测量不同的电流值来监测物体的分布并反映其重量。此外，这些Ag /藻酸盐纳米纤维具有很大的抗菌活性，暗示人造电子皮肤中的巨大潜在应用。

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  • 来源
    《Nanotechnology》 |2017年第44期|共8页
  • 作者

    Hu Wei-Peng; Zhang Bin; Zhang Jun; Luo Wei-Ling; Guo Ya; Chen Shao-Juan; Yun Mao-Jin; Ramakrishna Seeram; Long Yun-Ze;

  • 作者单位

    Qingdao Univ Collaborat Innovat Ctr Nanomat &

    Devices Coll Phys Qingdao 266071 Peoples R China;

    Qingdao Univ Collaborat Innovat Ctr Nanomat &

    Devices Coll Phys Qingdao 266071 Peoples R China;

    Qingdao Univ Collaborat Innovat Ctr Nanomat &

    Devices Coll Phys Qingdao 266071 Peoples R China;

    Qingdao Univ Collaborat Innovat Ctr Nanomat &

    Devices Coll Phys 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 Collaborat Innovat Ctr Nanomat &

    Devices Coll Phys Qingdao 266071 Peoples R China;

    Natl Univ Singapore Fac Engn Ctr Nanofibers &

    Nanotechnol Singapore Singapore;

    Qingdao Univ Collaborat Innovat Ctr Nanomat &

    Devices Coll Phys Qingdao 266071 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    Ag/alginate nanofiber; electrospinning; pressure sensor; electronic skin;

    机译：Ag /藻酸盐纳米纤维;静电纺丝;压力传感器;电子皮肤;

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