乙二醇体系中阳极氧化TiO2纳米管制备的研究
Fabrication of Anodic TiO2 Nanotube Arrays in Ethylene Glycol-Based Electrolyte
摘要: 采用恒压和原位升压阳极氧化法在含0.3 wt.% NH4F、6 vol.% H2O的乙二醇电解液中，在钛表面分别制备出单层和双层的TiO2纳米管，并通过扫描电子显微镜观察了表面和断面形貌。研究了阳极氧化电压、时间对纳米管管径、管长的影响，初步获得了其相互间的定量关系。结果表明，在实验条件下，纳米管管径和管长随电压增加而增加，在一定电压范围内管径随电压呈线性增长关系，管长在不同电压下表现出不同的增长率；纳米管管长随氧化时间的增加而线性增加，管径则无明显变化。
Abstract: Single-layer and two-layer TiO2 nanotube arrays were fabricated by anodization of pure Ti in ethylene glycol-based electrolyte containing 0.3 wt.% NH4F and 6 vol.% distilled water in potentiostatic and in-situ voltage up mode respectively. The top-view or cross-sectional morphologies were observed by scanning electron microscope. The effects of applied voltage and anodization time on tube diameter and tube length were studied, as well as their quantitative relationships were preliminarily summarized. The results show that the tube diameter and the length of TiO2 nanotube arrays increase with the applied voltage, and there is a linear dependence between tube diameter and potential in a certain range. The growth rates of the tube length are different at different voltage. The tube length linearly increases with the anodization time, while the tube diameter is little affected by the anodization time.
文章引用：徐鸿, 廖晓明, 尹光福, 叶许梦, 刘一樵. 乙二醇体系中阳极氧化TiO2纳米管制备的研究[J]. 材料科学, 2014, 4(2): 22-28. https://dx.doi.org/10.12677/MS.2014.42005

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