Template Electrodeposition of Ordered Bismuth Telluride Nanowire Arrays
Authors: Li, Shanghua; Liang, Yibin; Qin, Jian; Toprak, Muhammet; Muhammed, Mamoun
Source: Journal of Nanoscience and Nanotechnology, Volume 9, Number 2, February 2009 , pp. 1543-1547(5)
Publisher: American Scientific Publishers
Abstract:Thermoelectric bismuth telluride nanowire arrays have been synthesized by direct-current electrodeposition into porous anodic alumina membranes both galvanostatically and potentiostatically. The as-synthesized Bi2Te3 nanowire arrays are highly ordered in large area, stoichiometric, uniform, with high aspect ratio (above 100) and high filling ratio (>90%) of the membrane. The effects of different electrochemical deposition parameters on crystal structures, morphology and composition have been investigated. Field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS) and X-ray diffraction (XRD) have been used to characterize the physical and chemical properties of the nanowires.
Document Type: Research Article
Publication date: February 2009
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