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Synthesis of novel Fe3O4@SiO2@Er2TiO5 superparamagnetic core–shell and evaluation of their photocatalytic capacity

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Abstract

Rare earth oxides Er2TiO5 photocatalysts supported on superparamagnetic Fe3O4@SiO2 core–shell nanostructures were prepared through a sol–gel method. The achieved magnetic nanostructures were characterized by a number of procedures such as XRD, FE-SEM, TEM, UV–Vis DRS, VSM and PL spectroscopy and then the activity of the magnetic nanostructures as a photocatalysts for the UV–Vis induced degradation of methyl orange was evaluated. The activity of Fe3O4@SiO2@Er2TiO5 were tested as photodegradation catalysts for removing methyl orange. Moreover, the effect of incorporating different amounts of erbium oxides in the photocatalysts was studied and it was found that the optimal amount of erbium oxide in terms of reaching the highest photocatalytic activity was 25 wt%.

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Acknowledgements

The authors wish to thank the National Institute for Medical Research Development (NIMAD) for their support (Grant No. 971032).

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Authors and Affiliations

  1. Students’ Scientific Research Center (SSRC), Tehran University of Medical Sciences (TUMS), Tehran, Iran

    Faezeh Gandomi

  2. Social Determinants of Health (SDH) Research Center, Kashan University of Medical Sciences, Kashan, Iran

    Ali Sobhani-Nasab

  3. Core Research Lab, Kashan University of Medical Sciences, Kashan, Iran

    Ali Sobhani-Nasab

  4. Department of Physics, University of Kashan, Kashan, Iran

    Saeid Pourmasoud & Mohammad Eghbali-Arani

  5. Nanobiotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran

    Mehdi Rahimi-Nasrabadi

  6. Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran

    Mehdi Rahimi-Nasrabadi

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  1. Faezeh Gandomi
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  2. Ali Sobhani-Nasab
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  3. Saeid Pourmasoud
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  4. Mohammad Eghbali-Arani
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  5. Mehdi Rahimi-Nasrabadi
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Correspondence to Mehdi Rahimi-Nasrabadi.

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Gandomi, F., Sobhani-Nasab, A., Pourmasoud, S. et al. Synthesis of novel Fe3O4@SiO2@Er2TiO5 superparamagnetic core–shell and evaluation of their photocatalytic capacity. J Mater Sci: Mater Electron 31, 10553–10563 (2020). https://doi.org/10.1007/s10854-020-03604-3

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