In this work, nickel oxide nanoparticles (NiO NPs) have been synthesised via cost-effective and highly convenient co-precipitation method, using cetyl trimethyl ammonium bromide (CTAB) as capping agent and NaOH as a reducing agent. The as-synthesised NPs have been analysed by a number of spectroscopic and microscopic techniques such as UV–visible spectroscopy, transmission electron microscope, X-ray diffraction, Fourier transformed infrared and energy dispersive X-ray. The prepared NiO NPs hold the prodigious potential towards the photocatalytic degradation of reactive blue 81 and Coomassie brilliant blue R-250 dyes with degradation efficiency of 90.8 and 95.7% and have high dye degradation rate constants of 1.3 × 10 ⁻ ² min ⁻ ¹ and 2.2 × 10 ⁻ ² min ⁻ ¹, respectively. Thus, this work signifies an efficient way to employ the NiO NPs as effective photocatalyst towards the alleviation of noxious industrial dyes.

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CTAB assisted co-precipitation synthesis of NiO nanoparticles and their efficient potential towards the removal of industrial dyes

References

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