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A facile and cost-effective approach to fabrication of high performance pressure sensor based on graphene-textile network structure

引用

Progress in Natural Science:Materials International 2020年第3期30卷 437-442页

作者： Yanyan Fan Hongbin Zhao Feng Wei Yi Yang Tianling Ren Hailing Tu State Key Laboratory of Advanced Materials for Smart Sensing General Research Institute for Nonferrous Metals GRIMAT Engineering Institute Co. Ltd General Research Institute for Nonferrous Metals Institute of Microelectronics Tsinghua University Beijing National Research Center for Information Science and Technology (BNRist) Tsinghua University

High performance flexible pressure sensors have received tremendous attention due to the potential applications in wearable electronics and humanoid ***,a low-cost,time-saving fabrication strategy is reported to efficiently construct highly sensitive and scalable pressure sensors based on *** flexible pressure sensor was prepared through a dip coating approach where the graphene ink was used as the active material and textile with ordered network structure,serves as the flexible support *** increasing the number of layers of the textile,the pressure sensor could achieve a high linear sensitivity value of 0.23 kPa;,a broad pressure range from 0 to 140 kPa,and a durability over 800 *** was found that the network structure of the graphene-textile contributed to the enhancement of the sensing performance due to the piezoresistive effect resulting from the deformation of conductive ***,by virtue of its exceptional properties,it is demonstrate that the high performance flexible pressure sensor could be further used to detect human physiological signals,such as wrist pulse,finger press detection and walking state monitoring,indicating its promising potential to flexible and wearable electronics.

关键词： Graphene ink Pressure sensor Flexible device network structure textile Piezoresistive effect

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