Fabrication of ZnO nanotubes with ultrathin wall by electro deposition method

被引：36
作者：
Ren, X. [1 ]
Jiang, C. H. [1 ]
Li, D. D. [1 ]
He, L. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Instrument Anal Ctr, Shanghai 200240, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 17-18期
关键词：
ZnO; nanomaterials; semiconductors; AAO template;
D O I：
10.1016/j.matlet.2008.01.112
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ordered ZnO nanotube arrays with ultrathin wall embedded in anodic aluminum oxide (AAO) template were fabricated by electrodepositing Zn in the templates and then oxidizing them. The formation of Zn nanotubes is attributed to the annular An electrode and the proper relative rates of deposition and diffusion of Zn2+ ions. X-ray diffraction and selected-area electron diffraction analyses show that the ZnO nanotubes are polycrystal line. Scanning electron microscopy shows the nanotubes are of large area and have high aspect ratio. Transmission electron microscopy indicates that the ZnO nanotube is straight and has uniforrn thickness along the length, and the approximate thickness of the tube wall is 5 nm which is very close to the Bohr radius, 2.34 nun. (c) 2008 Elsevier B. V. All rights reserved.
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收藏
页码：3114 / 3116
页数：3
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