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    Author(s): Yurii V. Geletii; Rajai H. Atalla; Craig L. Hill; Ira A. Weinstock
    Date: 2004
    Source: Catalysis and 21st century challenges : basic research and the needs of society : 13th International Congress on Catalysis, 11-16 July, 2004, Paris, France [electronic resource]. [S.l.] : Centre national de la recherche scientifique, 2004: [2] pages
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (49 KB)

    Description

    Polyoxometalates (POMs), of which alpha-Keggin anions are representative, are a diverse and rapidly growing class of water-soluble cluster-anion structures with applications ranging from molecular catalysis to materials. [1] POMs are inexpensive, minimally or non-toxic, negatively charged clusters comprised of early transition-metals, usually in their do electronic configurations (e.g. W(VI), Mo(VI), V(V), Nb(V), Ti(IV)), bridged by oxygens (formally oxide, or occasionally hydroxide ions). POMs have a number of attributes that render them attractive for applications in catalysis[2] and other technologies. For example, POMs exhibit extensive reversible redox processes,[3] and their reduction potentials, acidities, and other properties relevant to catalysis and materials science can be extensively yet readily altered by the elemental composition of the POM unit itself. For all the above reasons, yearly citations of articles on POMs have been growing steadily and, for each of the past three years, have outnumbered articles on fullerenes.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Geletii, Yurii V.; Atalla, Rajai H.; Hill, Craig L.; Weinstock, Ira A. 2004. Electron transfer from alpha-keggin anions to dioxygen. Catalysis and 21st century challenges : basic research and the needs of society : 13th International Congress on Catalysis, 11-16 July, 2004, Paris, France [electronic resource]. [S.l.] : Centre national de la recherche scientifique, 2004: [2] pages

    Keywords

    Polyoxometalates, alpha-keggin anions, dioxygen, electron transfer, anions

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