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Photo-catalyst and magnetic nanocomposites: hydrothermal preparation of core–shell Fe3O4@PbS for photo-degradation of toxic dyes

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Abstract

In this work, at the first stage Fe3O4 and mono-disperse lead sulfide (PbS) nanostructures were synthesized via a simple hydrothermal method at water as a green solvent. Then Fe3O4@PbS nanocomposites were prepared by facile chemical procedure. The effect of concentration, temperature, precipitating agent, capping agent on the morphology and particle size of the products was investigated. Glucose was used as green, safe, cost-effective and bio-compatible capping agent. The prepared products were characterized by X-ray diffraction, scanning electron microscopy, electron microscopy transmission and Fourier transform infrared spectroscopy. Vibration sample magnetometer approves the super paramagnetic property of the magnetite and nanocomposites. The photo-catalytic behaviour of nanocomposites was evaluated using the degradation of four azo dyes (acid black, acid brown, acid violet and acid blue) under ultraviolet light irradiation. The results introduce a nanocomposite with applicable magnetic and photocatalytic performance.

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Authors and Affiliations

  1. Department of Science, Arak University of Technology, Arak, Iran

    Kambiz Hedayati, Mohsen Kord, Mojtaba Goodarzi & Simin Gharigh

  2. Young Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, Iran

    Davood Ghanbari

Authors
  1. Kambiz Hedayati
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  2. Mohsen Kord
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  3. Mojtaba Goodarzi
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  4. Davood Ghanbari
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  5. Simin Gharigh
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Correspondence to Kambiz Hedayati.

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Hedayati, K., Kord, M., Goodarzi, M. et al. Photo-catalyst and magnetic nanocomposites: hydrothermal preparation of core–shell Fe3O4@PbS for photo-degradation of toxic dyes. J Mater Sci: Mater Electron 28, 1577–1589 (2017). https://doi.org/10.1007/s10854-016-5698-4

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  • DOI: https://doi.org/10.1007/s10854-016-5698-4

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