SYNTHESIS AND CHARACTERIZATION OF GRAPHENE BASED BARIUM TITANATE PIEZO-NANO COMPOSITE MATERIAL

Abstract

Applications in various fields of technology like microelectromechanical systems (MEMS), Energy Harvesting, sensing and energy storage, etc., made graphene a unique material of all the carbon allotropes. Barium titanate (BaTiO3) on the other hand is a lead-free piezoelectric ceramic material, which has good applications in the fields of medicine, energy harvesting, sensing, and actuator applications. Mono-layer graphene and its extensive electronic properties make it a prominent substrate material for many applications. In this thesis, we would present the detailed approach of the synthesis of few-layer graphene on a copper template using chemical vapor deposition (CVD) technique at atmospheric pressure. Raman spectroscopy is used for the characterization of few-layer pristine graphene. The thermo-gravimetric analysis is used to measure the yield of graphene on copper foil. Ultrasonication coating of BaTiO3 on few-layer graphene followed by the characterization of the resultant graphene and barium titanate composite material using X-ray photoelectron spectroscopy, X-ray diffraction, scanning electron microscopy and Energy-dispersive X-ray spectroscopy will confirm the presence of elements and phase transformation.