In situtemplated synthesis of anatase single-crystal nanotube arrays
Authors:
- Xiaohui WangXWXiaohui Wang
- Tieyu SunTSTieyu Sun
- Longtu LiLLLongtu Li
- 2 September 2005
- journal article
- Published by IOP Publishing in Nanotechnology
- Vol. 16 (10) , 2450-2454
Abstract
Anatase single-crystal nanotubes were obtained using an in situ templated method. First, highly ordered titania arrays were formed through an anodization process in H(3)PO(4) electrolytes containing 0.5 wt% HF. Under optimized conditions titania nanotubes with a diameter of up to 100 nm and a length of up to 1.1 microm were prepared. Second, the crystallization and stability of the titania nanotubes were studied in air at elevated temperatures. Anatase single-crystal nanotubes were fabricated after annealing the sample in air at 450 degrees C. The anatase single-crystal structure was verified by selected area diffraction pattern and HRTEM images.Keywords
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