High-performance research of the photocatalyst of amorphous iron oxide supported on the novel Bi-based compound in the photo-Fenton system for the removal of dye pollutant
Source abstract
Abstract
The research and application of bismuth-based semiconductor photocatalysis for the green and environmentally friendly degradation of dye pollutants have garnered widespread attention from scholars. The key factor in photocatalytic activity lies in the development of composite catalysts with high activity and high stability. A new type of Fe/Bi 2CuO 4-PVA C photocatalyst (FB C ) was constructed by low-temperature calcination, which can effectively avoid serious iron leaching problems. Under the photocatalytic Fenton system, the composite material FB C exhibits high-performance degradation of various organic pollutants such as methyl orange (MO), tetracycline (TC), Rhodamine B (RhB), and methyl blue (MB), and the optimal removal rates were 98.67%, 97.90%, 91.50% and 96.32%, respectively. The structure, morphology, optics, and electronic properties were systematically characterized. Finally, A possible photocatalytic mechanism of FB C composite materials was proposed in the photo-Fenton catalysis reasonably, suggesting that the main reactive oxygen species (ROS) is ·OH in the photo-Fenton degradation of composite catalysts, rather than ·O 2 - generated in the Bi 2CuO 4 photocatalysis. The high performance mainly stems from the synergistic effect between photo-induced charge carrier separation and the interface Fenton-like reaction between iron oxide and H 2O 2. In addition, the excellent degradation performance and chemical stability provide the possibility for practical potential applications.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Iron oxide chemistry and applications · TiO2 Photocatalysis and Solar Cells
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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