Visible-light photocatalytic degradation of glyphosate over BiVO 4 prepared by different co-precipitation methods
Source abstract
Abstract
Abstract Visible-light-driven bismuth vanadate (BiVO4) photocatalysts were prepared by the co-precipitation method. The BiVO4 samples were characterized using X-ray diffraction, UV–visible diffuse reflectance, electrochemical impedance spectroscopy (EIS), photocurrent, and as well as electron microscopy (SEM, TEM). The photocatalytic activity of the as-prepared BiVO4 samples was tested through the photocatalytic oxidation of glyphosate under visible light irradiation. The dark yellow amorphous BiVO4 powder was prepared by the HAc method after drying at 70 °C, but the bright yellow monoclinic BiVO4 was obtained after keeping at room temperature in the air for several days. The dependence of the room temperature crystallization on moisture can explain the low crystallization temperature found in this work. The BiVO4 sample calcined at 400 °C by the HAc method showed the highest photocatalytic activity for glyphosate degradation under visible light irradiation because of its high charge separation efficiency proven by EIS and photocurrent.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · TiO2 Photocatalysis and Solar Cells · Advanced Nanomaterials in Catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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