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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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Abubshait, Samar A.
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Topics
Publications (2/2 displayed)
- 2021Designing of highly active g-C3N4/Co@ZnO ternary nanocomposites for the disinfection of pathogens and degradation of the organic pollutants from wastewater under visible lightcitations
- 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
Effective 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 pathogens
Abstract
<p>The restricted visible light captivation and unwanted prompt recombination of photoinduced carriers remarkably hinder the activity of photocatalysts for the removal of organic pollutants. In this study, a new type heterojunction 1D/2D photocatalyst based on cobalt doped NiS nanorods (NRs) S-g-C<sub>3</sub>N<sub>4</sub> nanosheets (NSs) was effectively fabricated by self-assembly technique, and its photocatalytic performance for methylene blue (MB) degradation and antibacterial activity under visible light were explored. The quick electron transport of S-g-C<sub>3</sub>N<sub>4</sub> NSs and the compatible energy band positions of S-g-C<sub>3</sub>N<sub>4</sub> and 4% Co-NiS NRs synergistic accelerate the separation and transmission of e<sup>-</sup> and h<sup>+</sup> pairs across the Co-NiS/S-g-C<sub>3</sub>N<sub>4</sub> heterointerface. The as-constructed heterostructures were assessed by cutting-edge analytical techniques such as SEM, XRD, EDX, FTIR, TEM, UV–vis, XPS, PL, transient photocurrent and BET. Additionally, this rational design enriches visible-light absorption and demonstrates a high BET surface area. Advantaging from the combing effect of 1D and 2D nanostructures, the 25% Co-NiS/S-g-C<sub>3</sub>N<sub>4</sub> heterostructures achieve a significant photocatalytic MB removal rate of 98%, substantially enriched than that of undoped NiS NRs (32%), 4% Co-NiS NRs (55%) and S-g-C<sub>3</sub>N<sub>4</sub> (29%). Simultaneously, the inherent photo-corrosion feature of S-g-C<sub>3</sub>N<sub>4</sub> was stifled by concurrent coupling with Co-NiS NRs and modifying with Co, which was proved over a stability assessment with 6 repeated experimental results. Antibacterial activity of 25% 1D/2D Co-NiS/S-g-C<sub>3</sub>N<sub>4</sub> nanocomposites (NCs) alongside four bacterial species was explored by irradiation of visible light. Our findings highlight the inordinate distinction of the successful heterointerface coupling of Co-NiS/S-g-C<sub>3</sub>N<sub>4</sub> 1D/2D heterojunction as a potential photocatalyst system for boosted photocatalytic removal of MB and decontamination of pathogens.</p>