Nickel Oxide Nanoparticles From An Organometallic Precursor: Preparatıon and Catalytic Insights

Year 2025, Volume: 9 Issue: 2, 323 - 332, 29.12.2025

Ayşegül Şenocak , Hüseyin Akbaş , Seda Nur Şenkal

https://doi.org/10.32571/ijct.1777681

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.

Keywords

Calcination , nickel oxide nanoparticles , methylene blue , environmental remediation , photocatalytic degradation

Supporting Institution

TUBİTAK

Project Number

Tubitak 2209A-1919B012206213

Thanks

This study was supported by TUBİTAK (The Scientific and Technological Research Council of Türkiye) under the 2209-A Research Project Support Programme for Undergraduate Students (Project Number: 1919B012206213).

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