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Applied Sciences
Volume 14
Issue 21
10.3390/app14219923
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Article

Cu2ZnSnS4 Nanoparticles as an Efficient Photocatalyst for the Degradation of Diclofenac in Water

by
Giorgio Tseberlidis
1,*,
Vanira Trifiletti
1,*,
Amin Hasan Husien
1,
Andrea L’Altrella
1,2,
Simona Binetti
1 and
Fabio Gosetti
2
1
Department of Materials Science, Solar Energy Research Center (MIB-SOLAR), University of Milano-Bicocca, Via Cozzi 55, 20125 Milan, Italy
2
Department of Earth and Environmental Sciences, POLARIS Research Center, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milan, Italy
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2024, 14(21), 9923; https://doi.org/10.3390/app14219923
Submission received: 26 September 2024 / Revised: 17 October 2024 / Accepted: 25 October 2024 / Published: 30 October 2024
(This article belongs to the Special Issue Nanomaterials: Synthesis, Characterization and Applications in Electronic Devices)
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Featured Application

This work has the potential to have a great impact on wastewater treatment plants. The currently adopted methods for the degradation of emerging water micropollutants, such as Diclofenac, are not efficient enough, leading to only 20–40% degradation. Our photocatalyst is a cheap and sustainable tool that allows for up to 90% degradation over 120 min, even when just using visible light sources, meaning it is superior to the dangerous UV-driven photolysis typically observed for this class of compounds.

Abstract

Dangerous emerging water micropollutants like Diclofenac are harming ecosystems all over the planet, and immediate action is needed. The large bandgap photocatalysts conventionally used to degrade them need to be more efficient. Cu2ZnSnS4, a well-known light absorber in photovoltaics with a bandgap of 1.5 eV, can efficiently harvest an abundant portion of the solar spectrum. However, its photocatalytic activity has so far only been reported in relation to the degradation of organic dyes, and it is usually used as a benchmark to assess the activity of a photocatalyst without testing its actual potential on a hazardous water micropollutant conventionally encountered in primary and secondary waters. Here, we report the promising photocatalytic activity of Cu2ZnSnS4 nanoparticles in the degradation of Diclofenac, chosen as a benchmark for dangerous emerging water micropollutants.
Keywords: photocatalysis; kesterite; Cu2ZnSnS4; nanoparticles; wastewaters; water treatment; emerging micropollutants photocatalysis; kesterite; Cu2ZnSnS4; nanoparticles; wastewaters; water treatment; emerging micropollutants

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MDPI and ACS Style

Tseberlidis, G.; Trifiletti, V.; Husien, A.H.; L’Altrella, A.; Binetti, S.; Gosetti, F. Cu2ZnSnS4 Nanoparticles as an Efficient Photocatalyst for the Degradation of Diclofenac in Water. Appl. Sci. 2024, 14, 9923. https://doi.org/10.3390/app14219923

AMA Style

Tseberlidis G, Trifiletti V, Husien AH, L’Altrella A, Binetti S, Gosetti F. Cu2ZnSnS4 Nanoparticles as an Efficient Photocatalyst for the Degradation of Diclofenac in Water. Applied Sciences. 2024; 14(21):9923. https://doi.org/10.3390/app14219923

Chicago/Turabian Style

Tseberlidis, Giorgio, Vanira Trifiletti, Amin Hasan Husien, Andrea L’Altrella, Simona Binetti, and Fabio Gosetti. 2024. "Cu2ZnSnS4 Nanoparticles as an Efficient Photocatalyst for the Degradation of Diclofenac in Water" Applied Sciences 14, no. 21: 9923. https://doi.org/10.3390/app14219923

APA Style

Tseberlidis, G., Trifiletti, V., Husien, A. H., L’Altrella, A., Binetti, S., & Gosetti, F. (2024). Cu2ZnSnS4 Nanoparticles as an Efficient Photocatalyst for the Degradation of Diclofenac in Water. Applied Sciences, 14(21), 9923. https://doi.org/10.3390/app14219923

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