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AI InsightBesides, the NiO-catalyzed degradation of MB was determined to follow pseudo-first-order and Elovich kinetics.
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Abstract
This study introduces a cost-effective and practical approach for highly crystalline and pure nickel oxide nanoparticles (NiO NPs) from a novel nickel-dithiocarbamate complex that has not been previously reported, as well as we know. This complex was prepared through successive reactions of 4-chlorobenzaldehyde, 2-phenylethylamine, sodium borohydride, carbon disulfide, and nickel sulfate. The crystalline properties of the NPs were investigated by X-ray diffraction (XRD) spectroscopy, and the average crystal size was determined as 11.65 nm using the Debye–Scherrer equation. Morphological analysis revealed predominantly spherical and highly agglomerated particles, as expected. Zeta potential measurements indicated a value of -28.8 mV, confirming the moderate colloidal stability of the prepared NPs in suspension. Photocatalytic activity assessment revealed that the produced NPs achieved a degradation efficiency of 58.95% for the photodecomposition of methylene blue (MB), a common water pollutant. Besides, the NiO-catalyzed degradation of MB was determined to follow pseudo-first-order and Elovich kinetics.