SYNTHESIS AND CHARACTERISATION OF Fe₃O₄-SnO₂ NANOCOMPOSITES WITH ELECTROCHEMICAL PROPERTIES

Sergiu MACAVEI; Maria ȘTEFAN; Florina POGĂCEAN; Ovidiu PANĂ; Cristian LEOŞTEAN; Adriana POPA; Dana TOLOMAN; Lucian BARBU-TUDORAN

doi:10.24193/subbchem.2020.1.14

Authors

Sergiu MACAVEI National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: sergiu.macavei@itim-cj.ro. https://orcid.org/0000-0001-6367-2398
Maria ȘTEFAN National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: mstefan@itim-cj.ro. https://orcid.org/0000-0002-2426-0312
Florina POGĂCEAN National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Corresponding author: mstefan@itim-cj.ro. https://orcid.org/0000-0001-6387-6307
Ovidiu PANĂ National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: ovidiu.pana@itim-cj.ro. https://orcid.org/0000-0002-8197-0484
Cristian LEOŞTEAN National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: cristian.leostean@itim-cj.ro. https://orcid.org/0000-0002-4346-5006
Adriana POPA National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: adriana.popa@itim-cj.ro. https://orcid.org/0000-0001-6958-0099
Dana TOLOMAN National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: dana.toloman@itim-cj.ro. https://orcid.org/0000-0002-4866-7264
Lucian BARBU-TUDORAN National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania. Email: lucian.barbu@itim-cj.ro.

DOI:

https://doi.org/10.24193/subbchem.2020.1.14

Keywords:

SnO₂; nanoparticles; photocatalytic properties, electrochemical properties

Abstract

Composite Fe₃O₄-SnO₂ nanoparticles were synthesized by growing SnO₂ nanoparticles on the surface of previously prepared Fe₃O₄ nanoparticles. First, Fe₃O₄ nanoparticles were prepared by chemical precipitation of precursors followed by the obtaining of SnO₂ nanoparticles by chemical precipitation or sol-gel process. The composite nanoparticle samples were characterized by using X-Ray diffraction (XRD), Transmission Electron Microscopy (TEM) and X-Ray photoelectron Spectroscopy (XPS) techniques. Also, electrochemical behaviour was recorded. The results revealed that by adjusting the composition of components one can control the properties of composite nanoparticles.

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