Lantern-Inspired On-Skin Helical Interconnects for Epidermal Electronic Sensors

Ding Li; Tianrui Cui; Jinming JianJianlan YanJiandong XuXin LiZhen LiAnzi YanZhikang ChenWancheng ShaoZeyi TangZigan XuGuohua WuHoufang LiuYi YangTian-Ling Ren

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Lantern-Inspired On-Skin Helical Interconnects for Epidermal Electronic Sensors

机译：Lantern-Inspired On-Skin Helical Interconnects for Epidermal Electronic Sensors

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Epidermal electronics have been attracting considerable attention due totheir various potential applications in human-computer interaction andhealth monitoring. However, because of the lack of a self-adhesive and stableinterconnect method between epidermal electronic sensors and rigid circuitboards, there remain difficulties in detecting body signals accurately by epidermalelectronic sensors in daily life. Here, a 3D helical on-skin interconnectis first introduced for epidermal electronics sensors. Inspired by the structureof the accordion lantern, the interconnect is composed of two electrospinningpolyurethane (PU) fiber films and a helical metal fiber. The helical metal fiberacts as a stable conductor with stretchability, and the PU fiber film with polydimethylsiloxaneprovides a self-adhesive substrate. Mechanical simulationsand tests prove that the proposed interconnect can laminate conformally andunobtrusively onto human skin with excellent electrical stability (less than0.5% electrical resistance change upon 100% elongation). Furthermore, basedon the proposed interconnect, an all-in-one sensor-interconnect design ispresented, which endows the epidermal electronic systems with anti-motioninterference capability. A gesture identification wristband system realized bya single all-in-one strain sensor is demonstrated. Besides, a wireless on-skinsystem that accurately monitors dynamic 12-lead electrocardiographic is successfullybuilt using all-in-one electrodes.

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来源
《Advanced functional materials》 |2023年第18期|2213335.1-2213335.11|共11页
作者
Ding Li; Tianrui Cui; Jinming JianJianlan YanJiandong XuXin LiZhen LiAnzi YanZhikang ChenWancheng ShaoZeyi TangZigan XuGuohua WuHoufang LiuYi YangTian-Ling Ren;
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作者单位

School of Integrated CircuitTsinghua UniversityBeijing 100084, P. R. China,Beijing National Research Center for Information Scienceand Technology (BNRist)Tsinghua UniversityBeijing 100084, P. R. China;

School of Integrated CircuitTsinghua UniversityBeijing 100084, P. R. China;

Beijing National Research Center for Information Scienceand Technology (BNRist)Tsinghua UniversityBeijing 100084, P. R. ChinaSchool of Integrated CircuitTsinghua UniversityBeijing 100084, P. R. China,Beijing National Research Center for Information Scienceand Technology (BNRist)Tsinghua UniversityBeijing 100084, P. R. China,Center for Flexible Electronics TechnologyTsinghua Uni;

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正文语种英语
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electronic skin; epidermal electronics; interconnects; stretchable conductors;

Lantern-Inspired On-Skin Helical Interconnects for Epidermal Electronic Sensors

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