Abstract
Cerium oxide (CeO2) was produced using the reflux process and then deposited on reduced graphene oxide (rGO). The CeO2/rGO was confirmed by X-ray diffraction, Fourier transform infrared, UV–visible, scanning electron microscopy, and XPS techniques. When malachite green (MG) photodegradation was investigated, first-order kinetics revealed that MG could degraded up to 84 % in 120 min. The nanocomposite's anti-oxidative characteristics were examined against 2,2-diphenyl-1picrylhydrazyl (DPPH) radicals, and the IC50 value of 356.763 mg/µL was evaluated, suggesting a 94 % efficiency rate. Tartaric acid and grape juice's electrochemical characteristics and sensing capacities were assessed using differential pulse voltammetry (DPV) and cyclic voltammetry (CV). Measurements show that grape juice and tartaric acid had detection limits of 13.2 μM and 32 μM, respectively.
Published Version
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