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Wearable Pressure Sensors Based on MXene/Tissue Papers for Wireless Human Health Monitoring

Li YangState Key Laboratory of Reliability and Intelligence of Electrical Equipment, Department of Electrical Engineering, Hebei University of Technology, Tianjin 300130, ChinaHongli WangDepartment of Mechanical Engineering, Hebei University of Technology, Tianjin 300130, ChinaWenjing YuanTianjin Key Laboratory of Materials Laminating Fabrication and Interface Control Technology, Department of Materials Science & Engineering, Hebei University of Technology, Tianjin 300130, ChinaYuhang LiInstitute of Solid Mechanics, Beihang University (BUAA), Beijing 100191, ChinaPeng GaoDepartment of Electronic Information, Hebei University of Technology, Tianjin 300130, ChinaNaveen TiwariDepartment of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania 16802, United StatesXue ChenDepartment of Mechanical Engineering, Hebei University of Technology, Tianjin 300130, ChinaZihan WangDepartment of Mechanical Engineering, Hebei University of Technology, Tianjin 300130, ChinaGuangyu NiuDepartment of Architecture and Art, Hebei University of Technology, Tianjin 300130, ChinaHuanyu ChengDepartment of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania 16802, United States

2021en

ABI

Annotatsiya

Though the widely available, low-cost, and disposable papers have been explored in flexible paper-based pressure sensors, it is still difficult for them to simultaneously achieve ultrahigh sensitivity, low limit and broad range of detection, and high-pressure resolution. Herein, we demonstrate a novel flexible paper-based pressure sensing platform that features the MXene-coated tissue paper (MTP) sandwiched between a polyimide encapsulation layer and a printing paper with interdigital electrodes. After replacing the polyimide with weighing paper in the MTP pressure sensor, the silver interdigital electrodes can be recycled through incineration. The resulting pressure sensor with polyimide or paper encapsulation exhibits a high sensitivity of 509.5 or 344.0 kPa–1, a low limit (∼1 Pa) and a broad range (100 kPa) of detection, and outstanding stability over 10 000 loading/unloading cycles. With ultrahigh sensitivity over a wide pressure range, the flexible pressure sensor can monitor various physiological signals and human movements. Configuring the pressure sensors into an array layout results in a smart artificial electronic skin to recognize the spatial pressure distribution. The flexible pressure sensor can also be integrated with signal processing and wireless communication modules on a face mask as a remote respiration monitoring system to wirelessly detect various respiration conditions and respiratory abnormalities for early self-identification of opioid overdose, pulmonary fibrosis, and other cardiopulmonary diseases.

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Identifikatorlar

DOI: 10.1021/acsami.1c22001

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