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Synthesis of cerium oxide/cadmium sulfide nanocomposites using inverse microemulsion methodology for photocatalytic degradation of methylene blue

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Abstract

This research study demonstrates the inverse microemulsion methodology for the synthesis of cerium oxide (CeO2)/Cadmium sulfide (CdS) nanocomposites (NCs) and utilizes the engineered system for photocatalytic applications. The synthesized system was characterized using X-ray diffraction (XRD), Ultra-violet visible spectroscopy (UV–VIS), and scanning electron microscopy (SEM). The acquired results justified the formation of the NCs in the reaction medium. For investigating the photocatalytic potential of the CeO2/CdS NCs, the degradation efficacy of the assembly for the model reaction of photocatalytic degradation of methylene blue (MB) was studied. The optimization methodologies including conventional (kinetic model-based optimization) and advanced (response surface methodology (RSM)-based optimization) approaches were compared for achieving the best degradation efficacy for this particular degradation reaction. The RSM-based optimization was found to be a more effective approach for optimization of the photocatalytic reaction of MB in the presence of CeO2/CdS NCs as a photocatalyst.

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Funding

Prof. Dr. Muhammad Danish is thankful to Higher Education Commission Islamabad Pakistan, for financial support under HEC-NRPU Project No: 6494/Punjab/NRPU/R&D/HEC/2016.

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Correspondence to Muhammad Danish.

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Danish, M., Ayub, H., Sandhu, Z.A. et al. Synthesis of cerium oxide/cadmium sulfide nanocomposites using inverse microemulsion methodology for photocatalytic degradation of methylene blue. Appl Nanosci 11, 2503–2515 (2021). https://doi.org/10.1007/s13204-021-02027-8

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  • DOI: https://doi.org/10.1007/s13204-021-02027-8

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