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All-organic, conductive and biodegradable yarns from core-shell nanofibers through electrospinning

机译：通过静电纺丝通过芯壳纳米纤维的全有机，导电和可生物降解的纱线

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摘要

Electrically conductive and biodegradable materials are desired for a range of applications in wearable electronics to address the growing ecological problem of e-waste. Herein, we report on the design and fabrication of all-organic, conductive and biodegradable nanofibrous core-shell yarn produced byin situpolymerization of aniline on the surface of electrospun poly(epsilon-caprolactone) nanofibers. The effect of concentration of aniline monomer on the morphology and resistivity of deposited polyaniline layer was investigated. The electrical resistance changed almost instantaneously with the strain for multiple stretch and recovery cycles. This rapid and sensitive response to mechanical loading and unloading is promising to validate the possibility of using the conductive yarns as strain sensors for monitoring human motion. Increasing the number of plies of yarn to three resulted in a three-fold reduction of the resistance. The twisted plied yarns were incorporated into fabric by stitching to demonstrate their use as a wearable electrode for capacitive sensors. This approach presents an early step in realizing all-organic conductive biodegradable nanofibrous yarns for biodegradable smart textiles.
机译：在可穿戴电子设备中的一系列应用中需要导电和可生物降解的材料，以解决E废料的生态问题。在此，我们报告了通过有机，导电和可生物降解的纳米纤维核壳纱线的设计和制作，在ElectrowOM聚（ε-己内酯）纳米纤维表面上苯胺的SITUMELY化产生。研究了苯胺单体浓度对沉积聚苯胺层的形态和电阻率的研究。电阻几乎与多个拉伸和恢复循环的应变几乎瞬间变化。这种对机械装载和卸载的快速和敏感的反应是有希望验证使用导电纱线作为用于监测人类运动的应变传感器的可能性。增加纱线的数量至三个导致抗性的三倍降低。通过缝合将绞合纱线掺入织物中，以证明它们作为用于电容传感器的可穿戴电极的用途。该方法呈现了用于实现可生物降解的智能纺织品的全有机导电可生物降解的纳米纤维纱线的早期步骤。

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