Microwave and Tween-80 Assisted Hydrothermal Synthesized of BiVO4 and its Improved Photo Catalytic Activity under Visible Light
Monoclinic BiVO4 nanosheets were successfully synthesized by the microwave hydro-thermal method in a relatively short time with TW-80(C64H124O26-80) acted as the soft template. The effect of pH, synthesizing time on the morphology, and dosage of TW-80 were investigated in detail. The crystal form, m...
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| Veröffentlicht in: | Materials science forum 2016-03, Vol.847, p.234-240 |
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| description | Monoclinic BiVO4 nanosheets were successfully synthesized by the microwave hydro-thermal method in a relatively short time with TW-80(C64H124O26-80) acted as the soft template. The effect of pH, synthesizing time on the morphology, and dosage of TW-80 were investigated in detail. The crystal form, morphology and absorption spectrum of the as prepared BiVO4 samples were characterized by means of x-ray diffraction (XRD), scanning electron microscopy (SEM), UV-vis diffuse reflectance spectroscopy (DRS) respectively. The experimental results demonstrated that the samples synthesized both under acid and neutral environment showed the higher photo-catalytic activity. Up to 98% of MB was degraded in 300 minutes. The certain amount of TW-80 added in synthesizing BiVO4 altered the morphology, resulted in the appearance of more active sites, shortened the transmittance distance of the carriers and thus enhanced photo-induced electrons separation efficiency. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.847.234 |
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The effect of pH, synthesizing time on the morphology, and dosage of TW-80 were investigated in detail. The crystal form, morphology and absorption spectrum of the as prepared BiVO4 samples were characterized by means of x-ray diffraction (XRD), scanning electron microscopy (SEM), UV-vis diffuse reflectance spectroscopy (DRS) respectively. The experimental results demonstrated that the samples synthesized both under acid and neutral environment showed the higher photo-catalytic activity. Up to 98% of MB was degraded in 300 minutes. 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The effect of pH, synthesizing time on the morphology, and dosage of TW-80 were investigated in detail. The crystal form, morphology and absorption spectrum of the as prepared BiVO4 samples were characterized by means of x-ray diffraction (XRD), scanning electron microscopy (SEM), UV-vis diffuse reflectance spectroscopy (DRS) respectively. The experimental results demonstrated that the samples synthesized both under acid and neutral environment showed the higher photo-catalytic activity. Up to 98% of MB was degraded in 300 minutes. The certain amount of TW-80 added in synthesizing BiVO4 altered the morphology, resulted in the appearance of more active sites, shortened the transmittance distance of the carriers and thus enhanced photo-induced electrons separation efficiency.</abstract><cop>Pfaffikon</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/MSF.847.234</doi><tpages>7</tpages></addata></record> |
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| subjects | Fourier transforms Materials science Microwaves Morphology Photocatalysis Pollutants Scanning electron microscopy Spectrum analysis Surfactants |
| title | Microwave and Tween-80 Assisted Hydrothermal Synthesized of BiVO4 and its Improved Photo Catalytic Activity under Visible Light |
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