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Issue 71, 2015
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Thermochromic and solvatochromic properties of Lindqvist polyoxometalates

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Abstract

The thermochromic and solvatochromic properties of Lindqvist metal oxide clusters [VxM6−xO19]n (x = 0, 1, 2, M = Mo, W) are reported. The cluster anions show pronounced changes of their electronic structure depending on their chemical environment (e.g. solvent polarity, temperature). These are rationalized using experimental and theoretical methods. A combined density functional theory and 51V-NMR study suggests that temperature-dependent changes in the structural dynamics of the metal oxide framework are the underlying cause for the observed thermochromism. The results might open new avenues for the design of molecular optical sensors.

Graphical abstract: Thermochromic and solvatochromic properties of Lindqvist polyoxometalates

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Publication details

The article was received on 10 Jul 2015, accepted on 23 Jul 2015 and first published on 24 Jul 2015


Article type: Communication
DOI: 10.1039/C5CC05730B
Author version available: Download Author version (PDF)
Citation: Chem. Commun., 2015,51, 13702-13705
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    Thermochromic and solvatochromic properties of Lindqvist polyoxometalates

    S. Herrmann, J. T. Margraf, T. Clark and C. Streb, Chem. Commun., 2015, 51, 13702
    DOI: 10.1039/C5CC05730B

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