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Erschienen in:
09.08.2019
Efficient synthesis of BiVO4 nanobelts with enhanced visible-light-driven photocatalytic activity for water purification
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 17/2019
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Abstract
BiVO4 powder was synthesized by a simple hydrothermal method. The nanobelts with well dispersed and uniform morphology were synthesized by controlling the temperature. The structure of BiVO4 powder was studied by scanning electron microscopy and transmission electron microscopy. The diameter of the nanobelts was about 50 nm. The structure and composition of the nanobelts were studied by X-ray diffraction, photoluminescence and X-ray photoelectron spectroscopy. The absorption intensity of BiVO4 powder in UV–Vis region was compared by UV–Vis diffuse reflectance spectroscopy. As a photocatalyst, BiVO4 nanobelts have good photocatalytic ability under visible light irradiation, which is very useful for the treatment of environmental wastewater. The synthesized nanobelts photocatalyst can be reused without destroying their structure. The reusability and chemical stability of photocatalysts are of great significance for practical application.