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中文摘要：
采用简单水热法制备了具有三维花状结构的斜方晶Bi2WO6光催化剂,利用XRD、SEM、BET等分析技术对催化剂的结构和形貌进行了表征。考察了反应时间、Bi2WO6加入量、染料罗丹明B初始浓度和光源对罗丹明B光催化降解效果的影响。实验结果表明,180℃下水热12h合成的Bi2WO6催化剂,在加入量为2g/L,溶液pH为6.5,并以模拟日光500W氙灯（不加滤光片）为光源,光照30min内,对浓度为10mg/L的罗丹明B去除率最高达99.6%。水热制备的花状Bi2WO6具有较高的光催化活性。
英文摘要：
The flower-like Bi2WO6 sample was successfully synthesized by a simple hydrothermal method without any surfactant.The crystal structure and morphology of the samples were characterized by XRD,SEM and BET technologies.The affecting factors on photocatalytic degradation Rhodamine-B（RhB） were investigated.The experimental results showed that the photocatalyst which processed highest photocatalytic activity was synthesized at 180℃ for 12h;when the dosage of Bi2WO6 was 2g/L,irradiation time was 30min under 500W Xe lamp and the RhB concentration was 10mg/L with the originally pH of the solution,the degradation rate of RhB was up to 99.6%.The flower-like Bi2WO6 sample synthesized by a simple hydrothermal method had high photocatalytic activity.
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