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Issue 58, 2014
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The anion-binding polyanion: a molecular cobalt vanadium oxide with anion-sensitive visual response

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Abstract

An anionic molecular cobalt vanadium oxide cluster, (n-Bu4N)3[Co(AcO)V4O12] and its use as anion binding site is reported. Cluster formation is controlled by an anion-dependent dynamic solution equilibrium. Reversible anion binding in solution leads to significant spectral changes, allowing the ratiometric optical detection of the anion concentration in situ, even under harsh thermal conditions (T = 90 °C). Comparative studies showed that the spectral response is dependent on the type of anion so that carboxylates, weakly coordinating anions and halides can be distinguished.

Graphical abstract: The anion-binding polyanion: a molecular cobalt vanadium oxide with anion-sensitive visual response

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Publication details

The article was received on 19 May 2014, accepted on 03 Jun 2014 and first published on 04 Jun 2014


Article type: Communication
DOI: 10.1039/C4CC03827D
Author version available: Download Author version (PDF)
Citation: Chem. Commun., 2014,50, 7840-7843
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    The anion-binding polyanion: a molecular cobalt vanadium oxide with anion-sensitive visual response

    A. Seliverstov, J. Forster, M. Heiland, J. Unfried and C. Streb, Chem. Commun., 2014, 50, 7840
    DOI: 10.1039/C4CC03827D

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