Abstract

We have developed a novel electrochemical route to fabricate highly ordered stoichiometric Ag 2Se nanowire arrays by electrodeposition from non-aqueous dimethyl sulfoxide (DMSO) solutions. Cyclic voltammetry technique was used to study this cathodic deposition process. X-ray energy dispersion analysis shows that stoichiometric Ag 2Se nanowires can be obtained in a wide range of deposition condition. X-ray diffraction and electron diffraction patterns demonstrate that the as-deposited nanowires are [0 0 2] oriented orthorhombic β-Ag 2Se. Furthermore, ternary Ag 2Se 1 − x Te x nanowires have been electrodeposited in mixed SeCl 4–TeCl 4 DMSO solutions.

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