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CoFe2O4–Pd (0) Nanocomposite: Magnetically Recyclable Catalyst

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Abstract

This study reports on the fabrication and characterization of magnetically recyclable catalysts of CoFe2O4–Pd (0) nanocomposite as highly effective catalysts for reduction reactions (hydrogenation reactions) in liquid phase. The CoFe2O4 nanoparticles were prepared by a sonochemical method, and the reduction of Pd2+ was accomplished with polyethylene glycol 400 (PEG-400). The formation of CoFe2O4–Pd (0) magnetically recyclable catalysts (MRCs) was confirmed by X-ray diffraction, Fourier transform infrared spectroscopy, and inductively coupled plasma. Vibrating sample magnetometer showed the ferromagnetic property of the product. The crystallite size (16 ± 4 nm) obtained from XRD was consistent with the particle size (15 ± 5 nm) from TEM. Thus, formed CoFe2O4–Pd (0) MRCs showed a very high activity in reduction reactions of 4-nitroaniline and 1,3-dinitrobenzene in liquid phase. Magnetic character of this system allowed recovery and multiple uses without significant loss of its catalytic activity.

 Preparation steps for fabricating CoFe2O4–Pd (0) MRCs

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Acknowledgments

This work was supported by Fatih University under BAP grant no. P50021301-Y (3146).

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Art and Sciences, Fatih University, B. Cekmece, 34500, Istanbul, Turkey

    E. Karaoglu & A. Baykal

  2. Department of Medical Biochemistry, Faculty of Medicine, Sakarya University, Korucuk, Sakarya, Turkey

    E. Karaoglu

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  1. E. Karaoglu
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  2. A. Baykal
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Correspondence to E. Karaoglu.

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Karaoglu, E., Baykal, A. CoFe2O4–Pd (0) Nanocomposite: Magnetically Recyclable Catalyst. J Supercond Nov Magn 27, 2041–2047 (2014). https://doi.org/10.1007/s10948-014-2522-3

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  • DOI: https://doi.org/10.1007/s10948-014-2522-3

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