ONE STEP PREPARING OF WO3 NANOSHEETS USING ULTRASOUND-ASSISTED LIQUID-PHASE EXFOLIATION FOR PHOTOCATALYTIC DEGRADATION OF PARACETAMOL IN AQUEOUS SOLUTION
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DOI:
https://doi.org/10.34238/tnu-jst.13100Abstract
In this study, we report on the one-step preparation of WO3 nanosheets from commercially available WO3 powder by ultrasound-assisted liquid-phase exfoliation and their application for photocatalytic degradation of paracetamol in water. The characteristics of WO3 nanosheets were studied by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscope,UV-vis diffuse reflectance spectroscopy. The results showed that the initial WO3plates with uneven particle size, in the micron size, were converted to WO3 nanosheets with uniform size (50-100 nm) after 10 hours of exfoliating. The experimental results showed that with 200 mg of fabricated WO3 nanomaterial, at pH=3, the paracetamol decomposition efficiency (concentration 10 ppm, volume 400 mL) reached 85.22% after 180 minutes of Xenon lamp light illumination. This research result has opened up a simple method of fabricating WO3 nanosheets with great potential for application in the treatment of pollutants by photocatalytic degradation.Downloads
References
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