A simple one-step anodising method for the synthesis of ordered porous anodic alumina

被引：5
|
作者：
Voon, C. H. [1 ]
Derman, M. N. [1 ]
Hashim, U. [1 ]
Ahmad, K. R. [2 ]
Ho, L. N. [2 ]
机构：
[1] Univ Malaysia Perlis, Inst Nanoelect Engn, Kangar 01000, Perlis, Malaysia
[2] Univ Malaysia Perlis, Sch Mat Engn, Arau 02600, Perlis, Malaysia
来源：
JOURNAL OF EXPERIMENTAL NANOSCIENCE | 2014年 / 9卷 / 02期
关键词：
anodising; porous anodic alumina; nanoporous; ordered; oxalic acid; CARBON NANOTUBES; ARRAYS; OXIDE; FABRICATION; FILMS;
D O I：
10.1080/17458080.2011.630151
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Porous anodic alumina (PAA) has been produced on aluminium substrate by single-step anodising at 50V in 0.3M oxalic acid at 15 degrees C for 60min. The highly ordered pore and cell structure was achieved by subjecting the PAA to oxide dissolution treatment in a mixture of chromic and phosphoric acids. The nanostructure prior and post-oxide dissolution treatment was examined under scanning electron microscope. It was found that the oxide dissolution treatment improves the regularity of the cell and pore structure significantly. Uniform closely packed honeycomb structure of PAA is obtained. The uniformities of pore diameter and interpore distance are also enhanced. Compared to the PAA prior treatment, it was noticed that the pore diameter of the post-treatment PAA increases.
引用
收藏
页码：106 / 112
页数：7
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