Title

Electrochemical deposition of Ni(OH)(2) and Fe-doped Ni(OH)(2) tubes

RIS ID

41893

Publication Details

Chou, S., Cheng, F. & Chen, J. (2005). Electrochemical deposition of Ni(OH)(2) and Fe-doped Ni(OH)(2) tubes. European Journal of Inorganic Chemistry, 2005 (20), 4035-4039.

Abstract

Arrays of Ni(OH)2 and Fe-doped Ni(OH)2 tubes were successfully prepared by electrochemical deposition in porous alumina membranes under ambient conditions. Extensive analysis of the tubes was carried out by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM) equipped with energy dispersive spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS). The results show that the electrodeposition method yielded uniform Ni(OH)2 and Fe-doped Ni(OH)2 tubes with inner diameters of 150–180 nm, wall thicknesses of 20–30 nm, and lengths of about 60 μm. This template-based electrochemical deposition method can be extended to the synthesis of other similar materials such as micro- or nanotubes, -wires, and -rods. Furthermore, the Ni(OH)2 and Fe-doped Ni(OH)2 tubes may have promising applications in alkaline rechargeable batteries and electrocatalytic electrolysis for the production of hydrogen.

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Link to publisher version (DOI)

http://dx.doi.org/10.1002/ejic.200500079