Abstract:
本文以有序介孔SiO_2(简称KIT-6)为载体,利用钛酸丁酯水解法将纳米TiO_2负载到KIT-6上,然后经沉积沉淀法将纳米银粒子负载于其上,得到Ag-TiO_2/KIT-6复合光催化剂。通过XRD,XPS,UV-Vis DRS,TEM和N_2物理吸附对其进行表征,结果表明Ag-TiO_2之间形成的异质结结构和催化剂的大比表面积是Ag-TiO_2/KIT-6具有高光催化活性的重要原因。
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Year: 2008
Language: Chinese
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