Synthesis of BaTiO3/Graphene Oxide/Polyvinylidene Fluoride Nanocomposite Film based Nanogenerator for Energy Harvesting Application

Abstract

Piezoelectric based flexible sensors are very important in the field of the wearable electronics and self-powered sensor applications. Herein, the synthesis of barium titanate nanoparticles (BT NPs) with a diameter are in the range of approximately 70-200 nm via hydrothermal process is reported. The synthesized BT NPs and graphene oxide (GO) are dispersed in PVDF polymer matrix to fabricate the nanocomposite film. Flexible nanogenerator was developed using BT/GO/PVDF nanocomposite film and copper electrodes and packed in the epoxy polymer. Nanogenerator exhibited the output voltage ~11 V and ~0.34 W power under repeated mechanical tapping. The robustness of developed nanogenerator was studied under 1000 cycle of continuous mechanical tapping.