Issue 23, 2015

Semimetal-functionalised polyoxovanadates


Polyoxovanadates (POVs), known for their wide applicability and relevance in chemical, physical and biological sciences, are a subclass of polyoxometalates and usually self-assemble in aqueous-phase, pH-controlled condensation reactions. Archetypical POVs such as the robust [VIV18O42]12− polyoxoanion can be structurally, electronically and magnetically altered by heavier group 14 and 15 elements to afford Si-, Ge-, As- or Sb-decorated POV structures (heteroPOVs). These main-group semimetals introduce specific chemically engineered functionalities which cause the generally hydrophilic heteroPOV compounds to exhibit interesting reactivity towards organic molecules, late transition metal and lanthanoid ions. The fully-oxidised (VV), mixed-valent (VV/VIV and VIV/VIII), “fully-reduced” (VIV) and “highly-reduced” (VIII) heteroPOVs possess a number of intriguing properties, ranging from catalytic to molecular magnet characteristics. Herein, we review key developments in the synthetic and structural chemistry as well as the reactivity of POVs functionalised with Si-, Ge-, As- or Sb-based heterogroups.

Graphical abstract: Semimetal-functionalised polyoxovanadates

Article information

Article type
Review Article
09 Jul 2015
First published
07 Sep 2015
This article is Open Access
Creative Commons BY-NC license

Chem. Soc. Rev., 2015,44, 8443-8483

Author version available

Semimetal-functionalised polyoxovanadates

K. Yu. Monakhov, W. Bensch and P. Kögerler, Chem. Soc. Rev., 2015, 44, 8443 DOI: 10.1039/C5CS00531K

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