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Synthesis of Graphitic Carbon Nitride on the Surface of Fe3O4 Nanoparticles

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Inorganic Materials Aims and scope

Abstract—

A composite material consisting of graphitic carbon nitride and iron(II,III) oxide (g-C3N4/Fe3O4) and having photocatalytic and magnetic properties has been synthesized via single-step thermal decomposition of melamine in the presence of Fe3O4 nanoparticles. It has been shown that, at synthesis temperatures in the range 400–500°C, Fe2+ ions do not oxidize, and the Fe3O4 particles retain their crystal structure and ferromagnetic properties, but the process involves the formation of crystalline g-C3N4 as well. The maximum in the intensity of photoluminescence bands of the g-C3N4/Fe3O4 composite material is shifted to lower photon energies compared to g-C3N4 prepared without Fe3O4 particles under the same synthesis conditions, which is due to a decrease in its band gap, formed by a system consisting of C–N π bonds with sp2 hybridization. The magnetic properties of g-C3N4/Fe3O4 composite particles allow them to be readily recovered from liquids for reuse.

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ACKNOWLEDGMENTS

We are grateful to Prof. V.V. Uglov for performing the X‑ray diffraction characterizations of the samples and to Prof. X.W. Sun and Dr. M. Marus for analyzing the experimental samples by X-ray photoelectron spectroscopy.

Funding

This work was supported by the Belarussian Academy of Sciences and the Ministry of Education of the Republic of Belarus through the Materials Physics, Novel Materials, and Advanced Technologies National Research Program (task nos. 1.15 and 1.56).

V.E. Borisenko acknowledges the partial support of the Russian Federation Ministry of Science and Higher Education as part of the program aimed at improving the competitiveness of the Moscow Engineering Physics Institute (National Nuclear Research University).

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Correspondence to E. B. Chubenko.

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Translated by O. Tsarev

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Chubenko, E.B., Baglov, A.V., Fedotova, Y.A. et al. Synthesis of Graphitic Carbon Nitride on the Surface of Fe3O4 Nanoparticles. Inorg Mater 57, 136–141 (2021). https://doi.org/10.1134/S0020168521020059

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  • DOI: https://doi.org/10.1134/S0020168521020059

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