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A NOVEL ROUTE OF SYNTHESIS OF SULPHUR-DOPED G-C3N4

1,2 CVEJN Daniel
Co-authors:
1,3 SMÝKALOVÁ Aneta 3 FONIOK Kryštof 1,3 MATĚJKA Vlastimil 1,3 PRAUS Petr
Institutions:
1 Institute of Environmental Technology, VSB – Technical University of Ostrava, Ostrava, Czech Republic, EU, petr.praus@vsb.cz
2 Nanotechnology Centre, Technical University of Ostrava, Ostrava, Czech Republic, EU, daniel.cvejn@vsb.cz
3 Department of Chemistry Technical University of Ostrava, Ostrava, Czech Republic, EU, vlastimil.matejka@vsb.cz
Conference:
11th International Conference on Nanomaterials - Research & Application, Hotel Voronez I, Brno, Czech Republic, EU, October 16th - 18th 2019
Proceedings:
Proceedings 11th International Conference on Nanomaterials - Research & Application
Pages:
54-59
ISBN:
978-80-87294-95-6
ISSN:
2694-930X
DOI:
https://doi.org/10.37904/nanocon.2019.8763
Published:
1st April 2020
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
1125 views / 680 downloads
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Abstract

A novel two-step pathway towards sulphur-doped graphitic carbon nitride (CN) was hypothesized and practically tested. As a result of that, three new materials with the different content of sulphur (up to 0.023 wt.%) were synthesized. These materials were characterized by X-ray diffraction (XRD), X-ray fluorescence (XRFS), Fourier transform infrared (FTIR) and Raman spectroscopy and UV-Vis diffuse reflectance spectroscopy (DRS) all of which were compared with materials coming from procedures known in literature. Furthermore, photocatalytic properties of gained materials towards the decomposition of acid orange 7 (AO7) were tested and compared to known materials as well. All of three materials show less S-enrichment than CN (SCN) obtained by established procedures from thiourea, on the other hand, they bear a remarkable photocatalytic properties in photodegradation of AO7.

Keywords: Catalysis, graphitic carbon nitride

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