Abstract
The synthesis of photocatalysts with high charge separation and transfer efficiency are of immense significance in the process of using photocatalysis technology for wastewater treatment. In this study core shell g-C3N4@ZnO, and ZnO defects photocatalysts presented an improved morphology in its characterization using techniques such as SEM, DRS, PL, MS, EIS, and XRD, and enhanced photodegradation of sulfamethoxazole, Nitenpyram and Tetracycline. Different composites were obtained as confirmed by the various characterization techniques studied, including core shell g-C3N4@ZnO, and ZnO defects photocatalyst. The synthesized photocatalysts showed high visible light absorption efficiency within a range of ~655 to 420 nm. Core shell g-C3N4@ZnO, and ZnO defects photocatalysts demonstrated high photocatalytic activity ascribed to high load separation and transition as shown in PL, Photocurrent reaction and EIS. It is understandable that core shell g-C3N4@ZnO, and ZnO defects photocatalysts have been confirmed to be one of the ultimate promising entrants for photocatalyst scheming.
Highlights
G-C3 N4 @ZnO core-shell heterostructures have been reported for photocatalytic applications, to the best of our knowledge, not much attention has been paid to the detailed relationship between photocatalytic degradation of sulfonamides and tetracycline by the composites of core shell g-C3 N4 @ZnO
It is against this background that we investigated the core shell g-C3 N4 @ZnO, and the ZnO defects photocatalysts and presented an improved morphology in its characterization using techniques such as SEM, diffuse reflectance spectra (DRS), photoluminescence spectroscopy (PL), MS, EIS, and XRD, and enhanced photodegradation of sulfamethoxazole, Nitenpyram and Tetracycline, which contribute to scientific knowledge along with the existing ones on advanced photocatalytic mechanisms and technology used in wastewater treatment
These findings suggested that combining g-C3N4 and ZnO would improve electron and hole findings suggested that combining g-C3 N4 and ZnO would improve electron and hole separation, oneof ofthe thebest bestphotocatalytic photocatalytic efficiency candidates separation,resulting resulting in in one efficiency candidates
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. G-C3 N4 @ZnO core-shell heterostructures have been reported for photocatalytic applications, to the best of our knowledge, not much attention has been paid to the detailed relationship between photocatalytic degradation of sulfonamides and tetracycline by the composites of core shell g-C3 N4 @ZnO It is against this background that we investigated the core shell g-C3 N4 @ZnO, and the ZnO defects photocatalysts and presented an improved morphology in its characterization using techniques such as SEM, DRS, PL, MS, EIS, and XRD, and enhanced photodegradation of sulfamethoxazole, Nitenpyram and Tetracycline, which contribute to scientific knowledge along with the existing ones on advanced photocatalytic mechanisms and technology used in wastewater treatment. This study hopes to investigate the effectiveness of composites of core shell g-C3 N4 @ZnO for photocatalytic degradation of pharmaceutical residues in wastewater
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