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Ag3PO4/TiO2纳米管阵列的制备及其可见光光催化活性

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Abstract:

用浸渍–沉积法将Ag3PO4沉积在自组装TiO2纳米管阵列的管壁上制备Ag3PO4/TiO2纳米管阵列。用X射线衍射、扫描电子显微镜和紫外–可见漫反射光谱对样品进行表征。通过在可见光(λ>420nm)下降解水中的罗丹明B检测样品的光催化活性。结果表明由于Ag3PO4与TiO2之间形成了异质结,在Ag3PO4的强可见光吸收性能和该异质结的协同作用下,Ag3PO4/TiO2异质结纳米管阵列的可见光光电催化活性高于单一的纯Ag3PO4和TiO2纳米管阵列膜。

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