通过阳极氧化制备二氧化钛纳米管阵列。然后用制成的纳米管阵列作阴极、Pt作阳极,分别以Zr(NO3)4、NH4Cl及Zr(NO3)4和NH4Cl的混合溶液为电解液,制备锆掺杂、氮掺杂及锆、氮共掺杂二氧化钛纳米管阵列。通过FESEM、UV-vis漫反射、XRD、XPS等手段对纳米管阵列进行表征。结果表明,制成的纳米管阵列管径约70nm,管长约400nm。共掺杂后的吸收带边有了明显的红移。在锆掺杂纳米管中锆含量是0.51%,氮掺杂纳米管中氮含量为1.92%,共掺杂中锆、氮含量分别是0.77%和1.29%(均为原子分数)。N1s峰在单独掺氮纳米管中是一个峰,而在混合掺杂中是双峰,说明氮在单独掺杂和混合掺杂中的存在状态并不一致。通过降解罗丹明B水溶液对其光催化性能进行检测。结果显示,锆掺杂可以增强TiO2纳米管阵列在紫外光下的催化活性,氮掺杂提高了TiO2纳米管阵列在可见区的光催化活性,锆、氮共掺杂产生了协同作用,使TiO2纳米管阵列的催化活性在紫外和可见区都得到了明显的提高。 Titanium dioxide nanotube arrays were prepared by anodization. Then, the prepared nanotube array was used as a cathode and Pt was used as an anode. Zirconium doping, nitrogen doping and zirconium were prepared by using a mixed solution of Zr (NO3) 4, NH4Cl, Zr (NO3) 4 and NH4Cl as the electrolyte, Nitrogen-doped titanium dioxide nanotube arrays. The nanotube arrays were characterized by FESEM, UV-vis diffuse reflectance, XRD and XPS. The results show that the nanotube array is made of about 70nm in diameter and about 400nm in length. Co-doped absorption band edge with a significant red shift. The content of zirconium in zirconium-doped nanotubes is 0.51%, the content of nitrogen in nitrogen-doped nanotubes is 1.92%, and the content of zirconium and nitrogen in co-doping is 0.77% and 1.29% (both are atomic fraction). The N1s peak is a single peak in a single doped nitrogen nanotube and a bimodal peak in the mixed doping, indicating that the presence of nitrogen in the mixed doping and mixed doping is not uniform. The photocatalytic activity of Rhodamine B solution was tested by its degradation. The results show that zirconium doping can enhance the photocatalytic activity of TiO2 nanotube arrays under ultraviolet light. Nitrogen doping can increase the photocatalytic activity of TiO2 nanotube arrays in the visible region. The co-doping of zirconium and nitrogen have synergistic effect, The catalytic activity of nanotube arrays has been significantly enhanced both in UV and in the visible region.