Abstract
The growth of effective green chemistry approaches for the production of metal nanoparticles has gained importance to discover an environmentally friendly method for the preparation of well-characterized nanoparticles. The NiO nanoparticles were synthesized by doping Yttrium and Zinc using Nickel (II) Chloride hexahydrate as a precursor using the Coriandrum sativum leaf extract as a reducing agent at room temperature under ordinary conditions. The synthesized nanoparticles were characterized using XRD, FT-IR, HRTEM, HRSEM, and EDAX studies. The degradation rate of Congo red dye was also studied with and without catalysts under visible light irradiation. From the kinetics study, the rate was found to be higher in the presence of 0.1 mol% yttrium doped NiO nanoparticles when compared to other photocatalysts proving its catalytic activity and found to follow first order
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