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Title: Electrochemically induced reversible solid state transformations: electrosynthesis of Ag2Cu2O4 by room temperature oxidation of Ag2Cu2O3
Authors: Muñoz-Rojas, David; Oró Solé, Judith; Gómez-Romero, P. ; Fraxedas, J.; Casañ Pastor, Nieves
Keywords: Electrochemical oxidation
Slurries
Soft chemistry
Silver copper oxides
Issue Date: Sep-2002
Publisher: Elsevier
Citation: Electrochemistry Communications 4(9): 684-689 (2002)
Abstract: Electrochemical oxidation at room temperature of a slurry of Ag2Cu2O3 yields a new silver copper oxide, formulated as Ag2Cu2O4, with one more atom of oxygen per unit formula, that can in turn revert to the original precursor. The resulting oxide presents a different electronic and crystal structure from its precursor, as shown by XPS, X-ray and electron diffraction. This phase transformation involves a radical structural change from a 3D to a 2D network, as well as electronic changes involving silver and oxygen. The potential of electrochemical techniques to induce crystal-chemical solid state transformations is analyzed.
Publisher version (URL): http://dx.doi.org/10.1016/S1388-2481(02)00433-2
URI: http://hdl.handle.net/10261/15854
DOI: 10.1016/S1388-2481(02)00433-2
ISSN: 1388-2481
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