Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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Transactions of Nonferrous Metals Society of China

Vol. 17    No. 4    August 2007

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Controlled synthesis of highly ordered CuO nanowire arrays by template-based sol-gel route
SU Yi-kun(苏轶坤)1, 2, 3, SHEN Cheng-min(申承民)2, YANG Hai-tao(杨海涛)2,
LI Hu-lin(力虎林)3, GAO Hong-jun(高鸿均)2

1. Shenzhen Key Laboratory of Special Functional Materials,
College of Materials Science and Engineering, Shenzhen University,Shenzhen 518060, China;
2. Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
3. School of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China

Abstract:The highly ordered CuO nanowire arrays of composite-oxides were synthesized within a porous anodic aluminum oxide(AAO) template by a citrate-based sol-gel route. A vacuum system was applied to draw the gel into the template pores, which conquers the only driving force of this technique—capillary action, then the gel was thermally treated to prepare desired CuO nanowires. The results of scanning electron microscopy(SEM) indicate that the CuO nanowires are very uniformly assembled and parallel to each other in the pores of the anodic aluminum oxide(AAO) template membranes. The results of X-ray diffraction(XRD) and the selected-area electron diffraction(SAED) indicate that the CuO nanowires are monoclinic-type crystalline structure. Furthermore, X-ray photoelectron spectroscopy (XPS) demonstrates that the stoichiometric CuO is formed.


Key words: CuO; nanowire; anodic aluminum oxide(AAO) template

ISSN 1004-0609
CN 43-1238/TG

ISSN 1003-6326
CN 43-1239/TG

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