One-Step Synthesis and Characterization of Highly-Ordered Titanium Dioxide Nanotubes

被引：0
作者：
Martin, Joshua [1 ]
Hirsch, Samuel G. [1 ]
Giri, Anit [1 ]
Griep, Mark H. [1 ]
Karna, Shashi P. [1 ]
机构：
[1] USA, Res Lab, ATTN RDRL WM, Aberdeen Proving Ground, MD 21005 USA
来源：
2012 12TH IEEE CONFERENCE ON NANOTECHNOLOGY (IEEE-NANO) | 2012年
关键词：
Titania nanotubes; titanium dioxide; anatase; nanotubes;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Highly-ordered, densely-packed, hexagonal TiO2 nanotubes were synthesized in a single-step anodization of Ti foil using a constant dc potential of 60 V. The synthesized nanotubes exhibit a bamboo-like structure, with rings formed along the length. X-ray diffraction reveals the as-grown nanotubes to be amorphous, which upon annealing at 723 K changes to a dominantly crystalline anatase phase. A high concentration of the electrolyte coupled with a mechanically uneven Ti surface leads to "nano-grass" like structure. A long anodization time also contributes to rapid breakdown of the Nanotubes.
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