Three-dimensional nanostructures from porous anodic alumina

被引：2
|
作者：
Lukatskaya, Maria R. [1 ]
Gogotsi, Yury [1 ]
机构：
[1] Drexel Univ, Dept Mat Sci & Engn, AJ Drexel Nanotechnol Inst, Philadelphia, PA 19104 USA
来源：
MRS COMMUNICATIONS | 2012年 / 2卷 / 02期
关键词：
HARD ANODIZATION; FABRICATION; FILMS; NANOTUBES; MEMBRANES; NANOPORES;
D O I：
10.1557/mrc.2012.7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on the synthesis of unique tetragonal nanostructures from porous anodic aluminum oxide that enables geometrical three-dimensional (3D) microdesign of the porous surfaces. Scanning electron microscopy study revealed self-organization of hollow oxide nanostructures into hierarchical arrays. The formation of these structures has a localized nature and is associated with local electrical break-down during hard anodization of aluminum in oxalic acid solution. Moreover, in this communication we propose the mechanism of the nucleation and growth of complex 3D structures from porous anodic alumina.
引用
收藏
页码：51 / 54
页数：4
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