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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Al-Muhimeed, Tahani I.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (2/2 displayed)
- 2022Synergetic intimate interface contacts of 2D/1D S-g-C3N4/Co-NiS heterojunction with spatial charge separation for boosting photodegradation of MB and inactivation of pathogens under visible light irradiationcitations
- 2021Effective heterointerface combination of 1D/2D Co-NiS/S-g-C3N4 heterojunction for boosting spatial charge separation with enhanced photocatalytic degradation of organic pollutants and disinfection of pathogenscitations
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article
Synergetic intimate interface contacts of 2D/1D S-g-C3N4/Co-NiS heterojunction with spatial charge separation for boosting photodegradation of MB and inactivation of pathogens under visible light irradiation
Abstract
<p>The constricted visible light harvesting and undesirable rapid recombination of photogenerated e<sup>-</sup> and h<sup>+</sup> set enormously hinder the activity of the photocatalysts. In this work, we design and develop two-dimensional/one-dimensional (2D/1D) S-g-C<sub>3</sub>N<sub>4</sub>/Co-NiS heterojunction with intimate heterointerface contact by self-assembly technique. The fast electron transportation of 2D S-g-C<sub>3</sub>N<sub>4</sub> nanosheets (NSs) and the well-matched energy levels of bare S-g-C<sub>3</sub>N<sub>4</sub> and 5% Co-NiS nanorods (NRs) cooperative support the transportation and separation of photo-carriers at the heterointerface of S-g-C<sub>3</sub>N<sub>4</sub>/Co-NiS. The as-fabricated samples were evaluated EDX, SEM, UV–vis, XRD, TEM, FTIR, XPS, BET, PL and transient photocurrent. Moreover, this well-defined construction boosts sunlight harvesting and exhibits a large surface area. Benefiting from the intimate coupling and structural features, the 20% S-g-C<sub>3</sub>N<sub>4</sub>/Co-NiS heterojunction attains a noteworthy photocatalytic methylene blue (MB) degradation rate of 100%, considerably improved than that of bare NiS (34%), 5% Co-NiS (57%) and pristine S-g-C<sub>3</sub>N<sub>4</sub> (31%). Concurrently, the photocorrosion of bare S-g-C<sub>3</sub>N<sub>4</sub> was suppressed by simultaneous integrating with NiS and engineering with cobalt, which was demonstrated through a chemical stability test with 6 consecutive experimental tests. Such outstanding enrichment in photocatalytic activity and chemical stability was primarily attributed to boosting spatial charge separation and synergistic effects of the 20% 2D/1D S-g-C<sub>3</sub>N<sub>4</sub>/Co-NiS nanocomposites (NCs). Antibacterial performance of 20% 2D/1D S-g-C<sub>3</sub>N<sub>4</sub>/Co-NiSNCs against 4 infectious species was evaluated in visible light radiance. Our results emphasize the great importance of the efficacious heterointerface blend of 2D/1D S-g-C<sub>3</sub>N<sub>4</sub>/Co-NiS NCs as a promising photocatalyst scheme for enhanced photocatalytic degradation of dye and disinfection of pathogens.</p>