Janus AgNWs Deposited Composite Membrane-Yarn for Multi-Functional Wearable Electronics: Electromagnetic Interference Shielding, Strain Sensing, Joule Heating

IF 22.6 1区工程技术 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Advanced Fiber Materials Pub Date : 2026-05-29 DOI:10.1007/s42765-026-00734-x

Tao Yan, Xiaole Tao, Hong Lei, Shidong Ma, Bin He, Yuting Wu, Zhijuan Pan

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引用次数: 0

Abstract

Flexible multi-functional yarn plays a significant role in the development of flexible wearable devices. In this work, the influence of the components of silver nanowires (AgNWs) with two different lengths, their assembly methods with polyurethane (TPU), the spraying volume of AgNWs and the pre-stretching process on the sensing performance were systematically investigated to develop TPU/AgNWs strain sensing yarn (TASY). The synchronous optimization of multi-functions was achieved by establishing Janus asymmetric conductive networks. The Janus composite nanofiber membrane showed an outstanding electromagnetic interference shielding performance with around 40 dB and high shielding efficiency of 99.99%. The strain range of TASY can reach 122%, and the gauge factor within the linear interval of 0–80% was 37.34 with the high linearity of 0.984. Meanwhile, bending and twisting deformations can also be effectively detected. In addition, TASY can reach a temperature of 108 ℃ at a low voltage of 1.4 V. The linear relationship between temperature and the square of voltage was as high as 0.998. The power density was greater than 4500 W/m². The high stability was achieved for Joule heating and strain sensing. The excellent comprehensive performance can provide support to develop the multi-functional wearable electronics.

Graphical Abstract

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用于多功能可穿戴电子产品的Janus AgNWs沉积复合膜纱：电磁干扰屏蔽、应变传感、焦耳加热

柔性多功能纱线在柔性可穿戴设备的发展中发挥着重要作用。本文系统地研究了两种不同长度银纳米线（AgNWs）的组成、与聚氨酯（TPU）的组装方式、AgNWs的喷涂量和预拉伸工艺对传感性能的影响，以开发TPU/AgNWs应变传感纱（TASY）。通过建立Janus不对称导电网络，实现了多种功能的同步优化。Janus复合纳米纤维膜具有良好的电磁干扰屏蔽性能，屏蔽效率高达99.99%，屏蔽强度约为40 dB。TASY的应变范围可达122%，0 ~ 80%线性区间内的应变系数为37.34，线性度为0.984。同时，还可以有效地检测弯曲和扭转变形。此外，TASY在1.4 V的低电压下可以达到108℃的温度。温度与电压的平方成线性关系高达0.998。功率密度大于4500w /m2。对焦耳加热和应变传感具有较高的稳定性。其优异的综合性能可为开发多功能可穿戴电子产品提供支持。图形抽象

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advanced Fiber Materials Multiple-

CiteScore

18.70

自引率

11.20%

发文量

109

期刊介绍： Advanced Fiber Materials is a hybrid, peer-reviewed, international and interdisciplinary research journal which aims to publish the most important papers in fibers and fiber-related devices as well as their applications.Indexed by SCIE, EI, Scopus et al. Publishing on fiber or fiber-related materials, technology, engineering and application.