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Pure Appl. Chem. Vol. 72, Nos. 1-2, pp. 127-135, 2000

Special Topic Issue on the Theme of
Nanostructured Systems


Preparation of II-VI group semiconductor nanowire arrays by dc electrochemical deposition in porous aluminum oxide templates

Dongsheng Xu, Dapeng Chen, Yajie Xu, Xuesong Shi, Guolin Guo, Linlin Gui, and Youqi Tang

Institute of Physical Chemistry, Peking University, Beijing 100871, P. R. China

Abstract: II-VI group compound semiconductors such as CdS, CdSe, and CdTe nanowire arrays have been prepared by direct current electrodeposition in porous anodic aluminum oxide template from nonaqueous electrolyte. SEM and TEM results show that these nanowires have a highly anisotropic structure of aligned nanowires with diameters of 15-200 nm, which are consistent with the diameters of the templates used. Electron diffraction and HREM investigations demonstrate that the crystalline structures of these nanowires are uniform hexagonal single crystal. This approach can be used to fabricate single crystal nanowire arrays of a wide range of semiconductors and other materials.

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