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Blade-Coated Porous 3D Carbon Composite Electrodes Coupled with multiscale interfaces for Highly Sensitive All-Paper Pressure Sensors

引用

Nano-Micro Letters 2024年第12期16卷 217-232页

作者： Bowen Zheng Ruisheng Guo Xiaoqiang Dou Yueqing Fu Bingjun Yang Xuqing Liu Feng Zhou State Key Laboratory of Solidification Processing Center of Advanced Lubrication and Seal MaterialsSchool of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072People’s Republic of China Research Center of Resource Chemistry and Energy Materials State Key Laboratory of Solid LubricationLanzhou Institute of Chemical PhysicsChinese of Academy of SciencesLanzhou 730000People’s Republic of China State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou 730000People’s Republic of China Shandong Laboratory of Advanced Materials and Green Manufacturing at Yantai Yantai 264006People’s Republic of China

Flexible and wearable pressure sensors hold immense promise for health monitoring,covering disease detection and postoperative *** pressure sensors with high sensitivity,wide detection range,and cost-effectiveness is *** leveraging paper for its sustainability,biocompatibility,and inherent porous structure,herein,a solution-processed all-paper resistive pressure sensor is designed with outstanding performance.A ternary composite paste,comprising a compressible 3D carbon skeleton,conductive polymer poly(3,4-ethylene dioxythiophene):poly(styrenesulfonate),and cohesive carbon nanotubes,is blade-coated on paper and naturally dried to form the porous composite electrode with hierachical micro-and nano-structured *** with screen-printed Cu electrodes in submillimeter finger widths on rough paper,this creates a multiscale hierarchical contact interface between electrodes,significantly enhancing sensitivity(1014 kPa-1)and expanding the detection range(up to 300 kPa)of as-resulted all-paper pressure sensor with low detection limit and power *** versatility ranges from subtle wrist pulses,robust finger taps,to large-area spatial force detection,highlighting its intricate submillimetermicrometer-nanometer hierarchical interface and nanometer porosity in the composite ***,this all-paper resistive pressure sensor,with its superior sensing capabilities,large-scale fabrication potential,and cost-effectiveness,paves the way for next-generation wearable electronics,ushering in an era of advanced,sustainable technological solutions.

关键词： Micro-and nano-structures PEDOT:PSS Flexible pressure sensors Health monitoring multiscale interfaces

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