Eco-Friendly Synthesis of Titanium Dioxide Doped Tin-Zirconium Oxide Nanocomposites for the Degradation of Brilliant Green and 4-Nitrophenol

In this study, a green, cost-effective, and reliable method was employed to synthesize pure and titanium dioxide-doped Tin dioxide-zirconium dioxide nanocomposite (TiO2@SnO2-ZrO2 NC). The synthesis strategy involves the utilization of leaf extract of the Swertia chirayita plant as a stabilizing and capping agent. The surface area of prepared nanocomposites was analyzed through the N2 adsorption process, crystalline nature, and other properties of the crystal were investigated by X-ray diffraction (XRD) while scanning electron microscopy (SEM) was used to explore the morphology of pure and TiO2@SnO2-ZrO2 NC. The optical properties of pure and TiO2@SnO2-ZrO2 NC were determined by evaluating the band gap through diffused reflectance (DRS) spectroscopy. The functional groups were studied using Fourier Transform infrared (FTIR) spectroscopy. The photocatalytic properties of prepared pure and TiO2@SnO2-ZrO2 NC were examined by performing the degradation of brilliant green and 4-nitrophenol. The incorporation of TiO2 into SnO2-ZrO2 led to a decrease in the photocatalytic activity under solar light irradiation.