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Cuprous hydroxide in a solid form: does it exist?
KTH Royal Inst Technol, Sch Chem Sci & Engn, Stockholm, Sweden.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
KTH Royal Inst Technol, Sch Chem Sci & Engn, Stockholm, Sweden.
The University of Würzburg, Würzburg, Germany.
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2013 (English)In: Dalton Transactions, ISSN 1477-9226, E-ISSN 1477-9234, Vol. 42, no 26, 9585-9594 p.Article in journal (Refereed) Published
Abstract [en]

Experimental studies have been performed to obtain the unknown cuprous hydroxide compound, which has recently been predicted theoretically (P. A. Korzhavyi et. al., Proc. Natl. Acad. Sci. U. S. A., 2012, 109, 686-689) to be metastable in a solid form. The reduction of Cu2+ with ferrous ethylenediamine tetraacetate (EDTA) results in the formation of a yellow powder precipitate whose composition corresponds to CuOH x H2O as probed by Fourier Transform Infrared Spectroscopy (FTIR) and cryogenic X-ray Photoelectron Spectroscopy (XPS). A similar compound has been found on the surface of Cu-CuH powder stored in water, as detected by XPS. The reduction of Cu2+ to Cu+ with free radicals in aqueous solutions results in a Cu2O precipitate as the final product, while the formation of the yellow cuprous hydroxide colloids may be an intermediate step. Our studies reveal that cuprous hydroxide does exist in a solid form and most likely has a hydrated form, CuOH x H2O.

Place, publisher, year, edition, pages
RSC Publishing, 2013. Vol. 42, no 26, 9585-9594 p.
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-78974DOI: 10.1039/c3dt50351hISI: 000320246200023OAI: diva2:638211
Available from: 2013-07-29 Created: 2013-07-29 Last updated: 2013-07-29Bibliographically approved

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Shchukarev, Andrey
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