High nuclearity Ni/Co polyoxometalates and colloidal TiO2 assemblies as efficient multielectron photocatalysts under visible or sunlight irradiation

Visible or sunlight irradiation of high nuclearity cobalt- or nickel-centers containing polyoxometalates (POMs), alone or in association with colloidal TiO2, results in their neat, apparently direct, multielectron reduction. These materials prove very effective in the first example of visible or sun...

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Bibliographic Details
Published in:Journal of materials chemistry 2011-01, Vol.21 (3), p.645-650
Main Authors: Biboum, RNgo, Njiki, CPNanseu, Zhang, G, Kortz, U, Mialane, P, Dolbecq, A, Mbomekalle, I M, Nadjo, L, Keita, B
Format: Article
Language:English
Subjects:
Acetal resins
Colloids
Irradiation
Nickel
Photocatalysts
Sunlight
Titanium dioxide
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Summary:Visible or sunlight irradiation of high nuclearity cobalt- or nickel-centers containing polyoxometalates (POMs), alone or in association with colloidal TiO2, results in their neat, apparently direct, multielectron reduction. These materials prove very effective in the first example of visible or sunlight driven POM-based degradation of Acid Orange 7.
ISSN:0959-9428
DOI:10.1039/C0JM03180A