Methylene Blue Degradation over Photocatalyst Bismuth Vanadate Powder Synthesized by the Hydrothermal Method

Pusit Pookmanee; Kanlaya Pingmuang; Wiyong Kangwansupamonkon; Sukon Phanichphant

doi:10.4028/www.scientific.net/AMR.93-94.177

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 93-94Methylene Blue Degradation over Photocatalyst...

Methylene Blue Degradation over Photocatalyst Bismuth Vanadate Powder Synthesized by the Hydrothermal Method

Abstract:

Bismuth vanadate powder was synthesized by the hydrothermal method with bismuth nitrate and ammonium vanadate as the starting precursors with the mole ratio of bismuth and vanadium of 1:1. The mixed solution was adjusted with ammonium hydroxide until the pH of final solution was 7 and hydrothermally treated at 100 °C for 2-6h. The phase was studied by X-ray diffraction (XRD). Monoclinic structure was obtained after hydrothermal treated at 100 °C for 6h without calcination step. The morphology was investigated by scanning electron microscopy (SEM). The particle was needle-like in shape and highly agglomerate. The degradation of methylene blue over photocatalyst bismuth vanadate powder was examined by ultraviolet spectroscopy (UV). Bismuth vanadate powder synthesized by the hydrothermal method at 100 °C for 6h showed the highest photocatalytic activity.

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Advanced Materials Research (Volumes 93-94)

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177-180

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.93-94.177

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Online since:

January 2010

Authors:

Pusit Pookmanee, Kanlaya Pingmuang, Wiyong Kangwansupamonkon, Sukon Phanichphant

Keywords:

Bismuth Vanadate, Hydrothermal Method, Methylene Blue (MB)

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