近年来,TiO2纳米管阵列的制备与应用得到了广泛的研究。阳极氧化法制备TiO2纳米管阵列具有工艺简单、成本低廉、易于放大等优点,引起了极大关注。本文综述了阳极氧化法制备TiO2纳米管阵列的研究现状,基于TiO2纳米管阵列在阳极氧化过程中的生长机理,讨论了决定阳极氧化TiO2纳米管阵列形成的主要因素。结合本组的研究工作,总结了如何通过改变电压、升压速率、电解液、温度和氧化时间,实现纳米管管径、管壁厚度、管长的有效控制,提高TiO2纳米管阵列的表面形貌质量。最后介绍了TiO2纳米管阵列掺杂改性方面的研究进展。
The preparation and application of TiO2 nanotube array are widely investigated in recent years. Anodic oxidation adopted to prepare TiO2 nanotube array has attracted intensive attention due to its simplicity, low cost and easy industrialization. The preparation of TiO2 nanotube array by anodic oxidation is reviewed in this paper. Key factors affecting the formation of anodic TiO2 nanotube array are discussed based on the formation mechanism of anodic TiO2 nanotube array. In combination with the results of our research group, how to adjust tube diameter, tube length, wall thickness, and improve the quality of surface morphology of anodic TiO2 nanotube array by changing voltage, potential sweep rate, electrolyte, temperature and oxidation time are summarized. Finally, the development on the doping of anodic TiO2 nanotube array is presented.