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Title: Electron transfer from alpha-keggin anions to dioxygen

Author: Geletii, Yurii V.; Atalla, Rajai H.; Hill, Craig L.; Weinstock, Ira A.;

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

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.

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

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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

 


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