Novel double Z-scheme g-C3N5/BiFeO3/ZnIn2S4 heterojunction system with enhanced visible-light-induced photo-Fenton activity towards sulfamethoxazole degradation
- 주제(키워드) BiFeO<sub>3</sub> , Double Z-scheme , Photo-Fenton reaction , Sulfamethoxazole , ZnIn<sub>2</sub>S<sub>4</sub>
- 등재 SCIE, SCOPUS
- 발행기관 Elsevier B.V.
- 발행년도 2023
- 총서유형 Journal
- URI http://www.dcollection.net/handler/ewha/000000211451
- 본문언어 영어
- Published As https://doi.org/10.1016/j.cej.2023.144707
초록/요약
In this study, a novel double Z-scheme g-C3N5/BiFeO3/ZnIn2S4 (CBZ) heterojunction nanocomposite was synthesized using a simple wet chemical process. The crystal structure, morphology, optical, and chemical compositional behaviors of the prepared nanocomposite were characterized using various techniques. The Vis/H2O2/CBZ-40% system could remove 97% sulfamethoxazole (SMX) pollutant for 60 min. The significantly enriched performance was attributed to the greater Fe2+/Fe3+ conversion efficiency by decomposing H2O2, and the synergistic coupling of the CBZ-40% in ternary heterojunction provided a better charge transfer pathway for the initiation of photo-Fenton reactions. In addition, the trapping experiments and electron spin resonance analysis identified active reactive oxygen species such as •OH, •O2−, and 1O2. The possible degradation mechanism of SMX and their intermediate products were proposed based on the above experimental analysis. Moreover, this results showed the suitability of using Vis/H2O2/CBZ-40% system, providing excellent reusability and an admissible platform for wastewater remediation via double Z-scheme heterojunction. © 2023 Elsevier B.V.
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