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Preparation of Silicon Nanotubes with AAO Template |
LIU Donglin LIU Mingxing WANG Xianwen SU Jiangtao |
Department of Pharmacy, College of Bioengineering, Hubei University of Technology, Wuhan 430068 |
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Cite this article:
LIU Donglin LIU Mingxing WANG Xianwen SU Jiangtao. Preparation of Silicon Nanotubes with AAO Template. Chin J Mater Res, 2010, 24(4): 439-443.
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Abstract The Al/Al2O3 (AAO) template with about 100 nm porous diameter was prepared by secondary anodic oxidation. The effects of concentration of sulphuric-oxalic acid, electrolysis temperature and anodic voltage on porous diameter of AAO template were investigated. The surface morphology of alumina films was characterized by scanning electron micrograph (SEM). Silicon nanotubes with 60–80 nm porous diameter were prepared with AAO template by sol-gel method and the surface morphology was observed by transmission electron microscope (TEM) and SEM. The results show that the porous diameter increases with increasing of concentration of sulphuric-oxalic acid, electrolysis temperature and anodic voltage, respectively. There is important relationship between the formation of silicon nanotubes and the method of embedding of silane sol, drying temperature and the formation time of silane gelatin.
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Received: 22 April 2010
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Fund: Supported by Excellent Youth Science and Technology Innovative Group Project of Hubei Province Chinese Universities No.T200907 and National Natural Science Foundation of Hubei Province No.2008CDB267. |
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