Abstract
Graphite-like carbon nitride (g-C3N4) nanopowders were synthesized by heat treatment of urea in air at a temperature of 450–550°С for 30 min and studied by X-ray diffraction and infrared spectroscopy. The main processes resulting in the formation of g-C3N4 from urea under the above conditions was established using the method of simultaneous thermal analysis. It was found that with an increase in the processing temperature of urea from 450 to 550°C, a rise in the specific surface of the powders occurs from 43.3 to 58.6 m2 g–1, as well as an increase in the crystallite sizes of graphite-like carbon nitride in the crystallographic direction (002) from 2.8 to 4.1 nm. According to the results of scanning electron microscopy and low-temperature nitrogen adsorption, the obtained graphite-like carbon nitride powders have a mesoporous structure and are characterized by an average pore size of 6.6–13.8 nm and porosity of 0.07–0.20 cm3 g–1. According to the results of diffuse reflectance spectroscopy, it was found that g-C3N4 nanopowders absorb radiation in the visible region and have a band gap of 2.9 eV. The photocatalytic activity of the obtained graphite-like carbon nitride during the oxidation of an aqueous murexide solution under the influence of visible light was analyzed and it was shown that the obtained g-C3N4 nanopowders have activity close to that of the commercial TiO2 photocatalyst (AEROXIDE P25). In view of the high activity and low cost, the obtained powders of graphite-like carbon nitride can be used as the substrate for new photocatalytic materials.
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REFERENCES
Spasiano, D., Marotta, R., Malato, S., Fernandez-Ibanez, P., and Di Somma, I., Appl. Catal. B: Environmental, 2015, vol. 170–171, pp. 90–123. https://doi.org/10.1016/j.apcatb.2014.12.050
Vasilevskaia, A.K., Popkov, V.I., Valeeva, A.A., Rempel, A.A., Russ. J. Appl. Chem., 2016, vol. 89, no. 8, pp. 1211–1220. https://doi.org/10.1134/S1070427216080012
Fagan, R., McCormack, D.E., Dionysiou, D.D., and Pillai, S.C., Mater. Sci. Semiconductor Processing, 2016, vol. 42, pp. 2–14. https://doi.org/10.1016/j.mssp.2015.07.052
Ilkaeva, M., Krivtsov, I., Bartashevich, E., Khainakov, S.A., García, J.R., Díaz, E., and Ordónez, S., Green Chem. Lett. and Reviews, 2017, vol. 19, no. 18, pp. 4299–4304. https://doi.org/10.1039/C7GC01588G
Kadi, M.W., Mohamed, R.M., Ismail, A.A., and Bahnemann, D.W., Appl. Nanosci., 2018, vol. 8, no. 6, pp. 1587–1596. https://doi.org/10.1007/s13204-018-0835-4
Schaber, P.M., Colson, J., Higgins, S., Thielen, D., Anspach, B., and Brauer, J., Thermochim. Acta, 2004, vol. 424, nos. 1–2, pp. 131–142. https://doi.org/10.1016/j.tca.2004.05.018
Mo, Z., She, X., Li, Y., Liu, L., Huang, L., Chen, Z., Zhang, Q., Xu, H., Li, H., RSC Advances—Royal Soc. Chem., 2015, vol. 5, no. 123, pp. 101552–101562. https://doi.org/10.1039/C5RA19586A
Wen, J., Xie, J., Chen, X., Li, X., Appl. Surface Sci., 2017, vol. 391, pp. 72–123. https://doi.org/10.1016/j.apsusc.2016.07.030
Zhang, J.-H., Hou, Y.-J., Wang, S.-J., Zhu, X., Zhu, Ch.-Y., Wang, Zh., Li, Ch.-J., Jiang, J.-J., Wang, H.-P., Pan, M., and Sua, C-Y., J. Mater. Chem. A, 2018, vol. 6, no. 37, pp. 18252–18257. https://doi.org/10.1039/C8TA06726K
Ming, L., Yue, H., Xu, L., and Chen, F., J. Mater. Chem. A., 2014, vol. 2, no. 45, pp. 19145–19149. https://doi.org/10.1039/C4TA04041D
Khan, A., Alama, U., Razaa, W., Bahnemannbc, D., and Muneer, M., J. Phys. Chem. Solids, 2018, vol. 115, pp. 59–68. https://doi.org/10.1016/j.jpcs.2017.10.032
Kharlamov, A., Bondarenko, M., Kharlamova, G., and Gubareni, N., Diamond and Related Mater., 2016, vol. 66, pp. 16–22. https://doi.org/10.1016/j.diamond.2016.03.012
Chidhambaram, N. and Ravichandran, K., Mater. Lett., 2017, vol. 207, pp. 44–48. https://doi.org/10.1016/j.matlet.2017.07.040
Dong, F., Wang, Zh., Sun, Y., Hob, W.-K., and Zhang, H., J. Colloid Interface Sci., 2013, vol. 401, pp. 70–79. https://doi.org/10.1016/j.jcis.2013.03.034
Dong, F., Liwen Wu, L., Sun, Y., Fu, M., Wu, Zh., and Lee, S.C., J. Mater. Chem., 2011, vol. 21, no. 39, pp. 15171–15174. https://doi.org/10.1039/c1jm12844b
Xu, J., Li, Y., Peng, Sh., Lu, G., and Li, Sh., Phys. Chem. Chem. Phys., 2013, vol. 15, no. 20, pp. 7657. https://doi.org/10.1039/c3cp44687e
Lotsch, B.V. and Schnick, W., Chem. Mater., 2005, vol. 17, pp. 3976–3982. https://doi.org/10.1021/cm050350q
Zhang, Y., Liu, J., Wua, G., and Chen, W., Nanoscale, 2012, vol. 4, pp. 5300–5303. https://doi.org/10.1039/C2NR30948C
Ye, S., Wang, R., Wu, M.-Z., and Yuan, Y.-P., Appl. Surface Sci., 2015, vol. 358, pp. 15–27. https://doi.org/10.1016/j.apsusc.2015.08.173
Sosnov, E.A., Malkov, A.A., and Malygin, A.A., Russ. J. Phys. Chem. A, 2009, vol. 83, no. 4, pp. 642–648. https://doi.org/10.1134/s0036024409040219
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The studies were performed using the analytical equipment of the Engineering Center of the St. Petersburg State Institute of Technology.
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N.V. Zakharova declares that she is the executive secretary of the Journal of Applied Chemistry, the remaining authors have no conflict of interest that requires disclosure in this article.
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Chebanenko, M.I., Zakharova, N.V. & Popkov, V.I. Synthesis and Visible-Light Photocatalytic Activity of Graphite-like Carbon Nitride Nanopowders. Russ J Appl Chem 93, 494–501 (2020). https://doi.org/10.1134/S1070427220040035
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DOI: https://doi.org/10.1134/S1070427220040035