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Title: Synthesis of Graphitic Carbon Nitride on the Surface of Fe3O4 Nanoparticles
Authors: Chubenko, E. B.
Baglov, A. V.
Fedotova, Y. A.
Borisenko, V. E.
Чубенко, Е. Б.
Баглов, А. В.
Борисенко, В. Е.
Keywords: публикации ученых;graphitic carbon nitride;nanoparticles;X-ray diffractometry;photoluminescence
Issue Date: 2021
Publisher: Springer, Германия
Citation: Synthesis of Graphitic Carbon Nitride on the Surface of Fe3O4 Nanoparticles / E. B. Chubenko [et al.] // Inorganic Materials. – 2021. – Vol. 57, № 2. – P. 136141. – DOI: 10.1134/S0020168521020059.
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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