Titanium oxide nanotube arrays prepared by anodic oxidation

被引：2926

作者：

Gong, D ^{[1
]}

Grimes, CA

Varghese, OK

Hu, WC

Singh, RS

Chen, Z

Dickey, EC

机构：

[1] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

[2] Penn State Univ, Mat Res Inst, Mat Res Lab 208, University Pk, PA 16802 USA

[3] Penn State Univ, Dept Mat Sci & Engn, University Pk, PA 16802 USA

[4] Univ Kentucky, Dept Elect & Comp Engn, Lexington, KY 40506 USA

来源：

JOURNAL OF MATERIALS RESEARCH | 2001年 / 16卷 / 12期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1557/JMR.2001.0457

中图分类号：

T [工业技术];

学科分类号：

08 [工学];

摘要：

Titanium oxide nanotubes were fabricated by anodic oxidation of a pure titanium sheet in an aqueous solution containing 0.5 to 3.5 wt% hydrofluoric acid. These tubes are well aligned and organized into high-density uniform arrays. While the tops of the tubes are open, the bottoms of the tubes are closed, forming a barrier layer structure similar to that of porous alumina. The average tube diameter, ranging in size from 25 to 65 nm, was found to increase with increasing anodizing voltage, while the length of the tube was found independent of anodization time. A possible growth mechanism is presented.

引用

页码：3331 / 3334

页数：4

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