Highly flexible and sensitive strain sensors based on reduced graphene oxide-silver nanowire composite hydrogels
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초록
내용
Recently, flexible and soft strain sensors, which can convert external mechanical deformation into visual and electrical responses, have great potential in a variety of applications, including human motion detection, bioelectronic skin, implantable sensors, electrochemical supercapacitors, and soft robotics. Reduced graphene oxide (rGO) as a 2D graphitic monolayer exhibits excellent properties such as low specific gravity, high resistant to heat, high thermal and electrical conductivity, and significant mechanical properties. In this study, high conductivity and flexible rGO-based hydrogels with silver nanowires were developed for the detection of human motion. In addition, the equilibrium water content, gel fraction, mechanical and electrochemical properties of hydrogels were investigated.