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Issue 2, 2011
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Oriented silver oxide nanostructures synthesized through a template-free electrochemical route

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Abstract

Oriented silver oxide nanostructures, including polycrystalline columnar structures, nanofibers and single crystalline nanodisks, were successfully grown on conductive substrates from acetate-containing aqueous solutions through an electrochemical strategy. The morphological features (shape, diameter and areal density) of the AgxO nanostructures could be effectively adjusted through deposition parameters, including current density, concentration of silver nitrate and solution pH values. Structural and chemical analyses, based on HRTEM/SAED and XPS techniques, confirm that the electrodeposited AgxO nanostructures have a defective cubic Ag2O structure containing cation deficiency, twin boundaries, and amorphous zones and stacking faults. The variety of nanostructures obtained in this work can be attributed to the kinetic effect of supersaturation ratio of AgxO at the electrode/electrolyte interface. This electrochemical process is versatile to extend to other transition metal oxides and to a variety of inexpensive conductive substrates.

Graphical abstract: Oriented silver oxide nanostructures synthesized through a template-free electrochemical route

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Publication details

The article was received on 09 Jul 2010, accepted on 27 Sep 2010 and first published on 28 Oct 2010


Article type: Paper
DOI: 10.1039/C0JM02214D
Citation: J. Mater. Chem., 2011,21, 432-438
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    Oriented silver oxide nanostructures synthesized through a template-free electrochemical route

    W. Wei, X. Mao, L. A. Ortiz and D. R. Sadoway, J. Mater. Chem., 2011, 21, 432
    DOI: 10.1039/C0JM02214D

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