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Structural and catalytic properties of Zn1−x Cu x Fe2O4 nanoparticles

  • Nano May 2006
  • Published:
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Abstract

A series of zinc copper mixed ferrites having general formula Zn1−x Cu x Fe2O4 (x = 0.0, 0.25,0.50,0.75,1.0) have been synthesized by co-precipitation method. The average particle sizes of these ferrites as determined from XRD data using Scherer’s relation have been found to range from 10.45 to 18.39 nm. The samples have been characterized by XRD, Mössbauer spectroscopy, B.E.T.surface area and acidity measurements. These ferrites have been tested for their catalytic activity in alkylation of pyridine by methanol. The conversion of pyridine as well as yield to 3-methyl pyridine is found to be lowest in case of ZnFe2O4 which increases as the copper content is increased and is maximum for CuFe2O4. The results on the acidity measurements on these ferrites as well as structural properties support these results. CuFe2O4 is found to be highly selective for 3-methylpyridine.

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Acknowledgements

The authors wish to express sincere thanks to the UGC-DAE Consortium for Scientific Research (UGC-DAE-CSR), Indore center for recording Mössbauer spectra and XRD pattern of the samples and to Dr. A. Gupta, Center Director UGC-DAE-CSR, Indore center for fruitful discussions and helpful suggestions.

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Author notes

  1. N. Verma

    Present address: Dipartminta di Fisica Generale, Universitá di Torino, Torino, Italy

Authors and Affiliations

  1. School of Physics, Devi Ahilya University, Vigyan Bhawan, Takshashila Parisar, Khandwa Road, Indore, 452017, India

    M. Banerjee & N. Verma

  2. School of Chemical Sciences, Devi Ahilya University, Vigyan Bhawan, Takshashila Parisar, Khandwa Road, Indore, 452017, India

    R. Prasad

Authors
  1. M. Banerjee
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  2. N. Verma
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  3. R. Prasad
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Correspondence to M. Banerjee.

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Banerjee, M., Verma, N. & Prasad, R. Structural and catalytic properties of Zn1−x Cu x Fe2O4 nanoparticles. J Mater Sci 42, 1833–1837 (2007). https://doi.org/10.1007/s10853-006-0821-1

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  • DOI: https://doi.org/10.1007/s10853-006-0821-1

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