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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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Vadivel, Vinod Kumar
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Publications (4/4 displayed)
- 2023Solvothermal Synthesis of g-C3N4/TiO2 Hybrid Photocatalyst with a Broaden Activation Spectrumcitations
- 2023Cu-coated graphitic carbon nitride (Cu/CN) with ideal photocatalytic and antibacterial propertiescitations
- 2021Aerogels for water treatmentcitations
- 2020Ethanol-activated granular aerogel as efficient adsorbent for persistent organic pollutants from real leachate and hospital wastewatercitations
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article
Solvothermal Synthesis of g-C3N4/TiO2 Hybrid Photocatalyst with a Broaden Activation Spectrum
Abstract
<p>A solvothermal self-made composite of graphitic carbon nitride (g-C<sub>3</sub>N<sub>4</sub>) and commercially available titanium dioxide (TiO<sub>2</sub>) demonstrated the removal of commercial acid green-25 (AG-25) textile dye in a saline water matrix when activated by ultraviolet (UV) and visible light. The g-C<sub>3</sub>N<sub>4</sub>-TiO<sub>2</sub> composite was characterized by X-ray diffraction (XRD), Nitrogen sorption–desorption recording and modeling by the Brunauer–Emmett–Teller (BET) theory, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), photoluminescence (PL), and electron spin resonance (ESR). The solvothermal process did not modify the crystalline structure of the g-C<sub>3</sub>N<sub>4</sub> and TiO<sub>2</sub> but enhanced the surface area by interlayer delamination of g-C<sub>3</sub>N<sub>4.</sub> Under a simulated solar spectrum (including UVA/B and vis wavelengths), the degradation rate of AG-25 by the composite was two and four times higher than that of TiO<sub>2</sub> and pure g-C<sub>3</sub>N<sub>4</sub>, respectively (0.04, 0.02, and 0.01 min<sup>−1</sup>). Unlike TiO<sub>2,</sub> the g-C<sub>3</sub>N<sub>4</sub>-TiO<sub>2</sub> composite was activated with visible light (the UV portion of the solar spectrum was filtered out). This work provides insight into the contribution of various reactive oxidative species (ROS) to the degradation of AG-25 by the composite.</p>