Hydrothermal fabrication of monoclinic bismuth vanadate (m-BiVO4) nanoparticles for photocatalytic degradation of toxic organic dyes

Herein, we report the one pot template-free synthesis of novel monoclinic Bismuth vanadate (m-BiVO4) nanoparticles, with highly dispersive nature and uniform size of 50–70 nm were fabricated by the facile hydrothermal method, for efficient visible light photocatalytic degradation of toxic organic dyes (Rhodamine-B and Crystal violet). For phase, composition and chemical purity, of the as-synthesized nanoparticles were characterized by using X-ray diffraction (XRD) and energy dispersive X-ray spectroscopy (EDX). To elucidate the morphology and topography, scanning electron microscopy (SEM) and transmission electron microscope (TEM) techniques were used. For the ascription of functional groups, Fourier transforms infrared spectroscopy (FTIR) was employed. The surface area of the as-synthesized nanoparticles was analyzed using Brunauer−Emmett−Teller (BET) and found to be 24.946 m2/g and pore diameter 1.932 nm; m-BiVO4 nanoparticles showed enhance photocatalytic response for the degradation for both dyes under visible light. PL study indicates the promised ability of the m-BiVO4 nanoparticle for visible light devices.