Breathable and Skin-Conformal Electronics with Hybrid Integration of Microfabricated Multifunctional Sensors and Kirigami-Structured Nanofibrous Substrates

Hegeng Li; Zuochen Wang; Mingze SunHengjia ZhuHongzhen LiuChuyang Y. TangLizhi Xu

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Breathable and Skin-Conformal Electronics with Hybrid Integration of Microfabricated Multifunctional Sensors and Kirigami-Structured Nanofibrous Substrates

机译：Breathable and Skin-Conformal Electronics with Hybrid Integration of Microfabricated Multifunctional Sensors and Kirigami-Structured Nanofibrous Substrates

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Skin-integrated soft electronics have attracted extensive research attention due to their potential utility for fitness monitoring, disease management, human–machine interfaces, and other applications. Although many materials and device components are explored for the construction of skinintegrated systems, achieving multifunctional sensor platform combined with good breathability and conformability on the skin remains difficult. This challenge is partly due to the processing incompatibility between planarfabricated microelectronics and biocompatible porous substrates. Here, a fabrication strategy that can overcome this limitation, leading to largearea multifunctional skin electronics with breathability and conformability required for wearable applications, is reported. In this scheme, a hybrid integration of high-performance microfabricated sensors and nanofibrous soft substrates is made possible with stamp-based transferring techniques combined with electrospinning. The resulting membrane devices exhibit tissue-like mechanical properties with high permeability for vapor transport. In addition, kirigami structures can be introduced into these membranes, providing high stretchability and 3D conformability for large-area integration on the skin. The multifunctional sensors array allow for spatiotemporal measurement of bioelectrical signals, temperature, skin hydration, and potentially many other physiological parameters. The robust performance and manufacturing scalability provided by these multifunctional skin electronics may create further opportunities for the development of advanced wearable systems.

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来源
《Advanced functional materials》 |2022年第32期|2202792.1-2202792.8|共8页
作者
Hegeng Li; Zuochen Wang; Mingze SunHengjia ZhuHongzhen LiuChuyang Y. TangLizhi Xu;
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Department of Mechanical Engineering The University of Hong Kong Hong Kong SAR 999077, China;

Department of Mechanical Engineering The University of Hong Kong Hong Kong SAR 999077, China,Advanced Biomedical Instrumentation Centre Limited Hong Kong SAR 999077, China;

Department of Civil Engineering The University of Hong Kong Hong Kong SAR 999077, China;

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正文语种英语
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breathability; kirigami devices; nanofibers; physiological monitoring; skin-integrated electronics;

Breathable and Skin-Conformal Electronics with Hybrid Integration of Microfabricated Multifunctional Sensors and Kirigami-Structured Nanofibrous Substrates

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