TiO2 nanotubes:: Tailoring the geometry in H3PO4/HF electrolytes
TiO2 nanotubes:: Tailoring the geometry in H3PO4/HF electrolytes
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DOI：
10.1016/j.elecom.2006.05.030
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发表时间：
2006-08-01
影响因子：
5.4
通讯作者：
Schmuki, Patrik
中科院分区：
文献类型：
--
作者：
Bauer, Sebastian;Kleber, Sebastian;Schmuki, Patrik
在目前的工作中，我们调查的形成自组织的氧化钛纳米管层在不同的氟浓度和电位在H3 PO 4电解质。我们表明，在优化的磷酸盐/HF电解质，在其他电解质的管的长度和直径可以控制在很宽的范围内由所施加的电位。发现对于1和25 V之间的电势，可以生长具有范围从15到120 nm的任何所需直径以及从20 nm到1 μ m的管长度的管。直径和长度与电压成线性关系。这些发现代表了阳极二氧化钛纳米管的几何形状的控制前所未有的水平。(c)2006 Elsevier B. V.保留所有权利。
In the present work, we investigate the formation of self-organized titanium oxide nanotube layers at different fluoride concentrations and potentials in H3PO4 electrolytes. We demonstrate that in optimized phosphate/HF electrolytes, in contrast to other electrolytes the tube length and diameter can be controlled over a wide range by the applied potential. It was found that for potentials between 1 and 25 V tubes could be grown with any desired diameter ranging from 15 to 120 nm combined with tube length from 20 nm to 1 mu m. The diameter and the length depend linearly on the voltage. These findings represent an unprecedented level of control in the geometry of anodic TiO2 nanotubes. (c) 2006 Elsevier B.V. All rights reserved.