High mechanical and pressure sensitive dielectric properties of graphene oxide doped PVA nanocomposites
Abstract
We report the significant enhancement in mechanical stiffness, Young’s modulus and tensile strength properties of graphene oxide (GO) doped poly(vinyl alcohol) (PVA) nanocomposites. The prepared nanocomposites exhibit a relatively high dielectric constant with a small loss factor and significant response to applied pressure. High mechanical strength is observed for the lower concentration of GO. Recognition to the applied pressure technique has been demonstrated to study the behavior of dielectric and electrical responses. In this study, a unique and sensitive change in dielectric and electrical properties was observed, which can be used to open up new design space for pressure sensing applications.
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