Formation mechanism of alumina nanotubes and nanowires from highly ordered porous anodic alumina template

被引：27

作者：

Mei, YF ^{[1
]}

Siu, GG

Fu, RKY

Chen, P

Wu, XL

Hung, TF

Chu, PK

Yang, Y

机构：

[1] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Peoples R China

[2] Nanjing Univ, State Key Lab Coordinat Chem, Dept Chem, Nanjing 210093, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2005年 / 97卷 / 03期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.1846137

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Alumina nanotube (ANT) and nanowire (ANW) arrays were produced from highly ordered porous anodic alumina (PAA) by etching in phosphoric acid and subsequent thermal treatment. The domain structures that have small sizes provide more boundaries and break the hexagonal symmetry of the PAA template, thereby inducing star-like splitting modes. Using very thin PAA films, ANTs and their arrays are fabricated, whereas ANWs and their arrays are produced when using thick films. This is due to the thin wall between nanopores. Our results provide some mechanistic and fundamental information pertaining to the fabrication of nanostructures via a PAA template. (C) 2005 American Institute of Physics.

引用

页数：4

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