Fe2O3/BiVO4 heterogeneous photo-Fenton catalyst with excellent dye degradation performance prepared by ultrasonic-assisted calcination
Source abstract
Abstract
A series of Fe2O3/BiVO4 composite photo-Fenton catalysts were prepared by a simple ultrasonic-assisted calcination method. By changing the calcination temperature, FB-2 with tetragonal structure BiVO4 has excellent photo-Fenton performance. The crystal structure and chemical composition of the composite catalyst were studied by a series of characterizations. Under 5 W LED illumination, 97% rhodamine B dye (Rh B) was degraded within 40 min in FB-2 sample, which was attributed to the high efficiency of photogenic electron–hole pair separation. The subsequent capture experiment and Tafel test proved that h+, e−, ·OH were the main active substances in the degradation process and the flow direction of electrons in the reaction process. The composite catalyst has good cyclic stability and efficient photo-Fenton catalytic degradation performance, and has good reference value for the degradation of water dyes.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells · Advanced oxidation water treatment
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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