Structural and electrochemical studies of Scheelite type BiVO4 nanoparticles: synthesis by simple hydrothermal method

Monoclinic scheelite type Bismuth Vanadate (BiVO4) nanoparticles (NPs) were prepared by simple hydrothermal method. The prepared BiVO4 particles were characterized by various analytical studies such as Structural, optical, elemental and morphological analysis. The monoclinic scheelite type BiVO4 was confirmed using X-ray diffraction. Optical band gap was calculated 2.27 eV at the absorbance edge lambda = 545 nm using DRS UV spectrum. The elemental composition and functional group were confirmed the BiVO4 through EDX and FTIR respectively. Rod shaped morphology was observed by electron microscopes like SEM and TEM. The prepared BiVO4 NPS modified electrode was subjected with electrochemical studies like cyclic voltmetry (CV), electrochemical impedance spectroscopy (EIS) and galvanostatic charge-discharge (GCD) analysis. The rod shaped BiVO4 NPS modified electrode obtained maximum capacitance value of 1166 Fg(-1).