Reduced Graphene Oxide–Metal Oxide Nanocomposites (ZrO2 and Y2O3): Fabrication and Characterization for the Photocatalytic Degradation of Picric Acid

Herein, reduced graphene-oxide-supported ZrO2 and Y2O3 (rGO-ZrO2 rGO-Y2O3) nanocomposites were synthesized by hydrothermal method used as the catalysts for photodegradation of picric acid. The structural morphological properties samples characterized using an X-ray diffractometer (XRD), scanning electron microscope (SEM) with energy dispersive absorption spectroscopy (EDAX), UV-Vis spectrophotometer, Raman spectrophotometer Fourier transformation infrared (FT-IR) techniques. In this work, wide band gap was successfully addition graphene oxide (rGO) to absorb visible light photocatalytic application. performance rGO-ZrO2 rGO-Y2O3 in degradation acid evaluated under UV irradiation. study analyzed different sources (254, 365 395 nm), sunlight at pH conditions (pH = 3, 7 10). activity showed excellent optimum identical mild variations 3. Compared rGO-Y2O3, nanocomposite a better action, percentage rate 100, 99.3, 99.9, 100 100% UV-252, 365, 395, sunlight, respectively. efficiency is attributed factors such oxygen-deficient metal phase, high surface area creation greater number hydroxyl groups.