A high-efficiency bismuth tungstate (Bi 2 WO 6 ) photocatalyst was prepared via simply using a simple solvothermal method at a low reaction temperature of 120°C. The prepared Bi 2 WO 6 was characterized by using X-ray diffraction, scanning electron microscope, N 2 adsorption-desorption isotherms, UV-Vis diffuse reflection spectroscopy, photoluminescence spectroscopy and electrochemical impedance. The reaction temperature, ethylene glycol content and calcination temperature exerted significant effects on the stacking morphology of bismuth tungstate. A high exposure area and appropriate pore structure endowed bismuth tungstate with high activity for the photocatalytic degradation of pollutants. The removal rate of Rhodamine B attained 100% within 20 minutes. This value is one of the most remarkable for unmixed Bi 2 WO 6 photocatalyst, as far as we know. The efficiency and cycle stability of pristine Bi 2 WO 6 for degradation of tetracycline were further studied. The excellent photocatalytic performances of the resulting sample have a great prospect in practical production and market applications.
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