摘要
采用电化学阳极氧化法,以乙二醇体系作为电解液,在60V的直流电压下,在纯钛基底表面制备高度有序的TiO2纳米管阵列,通过改变氧化时间来探究其对TiO2纳米管阵列形貌的影响。运用XRD、SEM分别对TiO2纳米管阵列的结构、形貌特征进行表征。结果表明,氧化时间对TiO2纳米管的管壁厚度、管径以及管长均有影响;氧化时间为2～2.5h时,所得到的二氧化钛纳米管管壁约为10nm、管径约为200nm、管长为2～3μm。
Highly-ordered TiO2 nanotube arrays were fabricated by anodic oxidation on pure titanium substrates in the 60V of the DC voltage, using ethylene glycol as the electrolyte. Changing the oxidation time to explore its influence on the morphology of titania nanotube arrays. The structure and morphology of the nanotube were characterized by XRD and FESEM. These results suggest that tube wall thickness, tube diameter and the length of the nanotube are influenced by the oxidation time. When the oxidation time reach to 2-2. 5h, the tube wail thickness is about 1Onto, the diameter is about 200nm and the length is about 2～3μm.
