Oscillatory Template Exchange in Polyoxometallate Capsules: A Ligand-Triggered, Redox-Powered, Chemically Damped Oscillation.

An oscillatory template exchange between phosphate and vanadate anions in an aqueous mixture of (NH4)6P2Mo18O62, triethanolamine, and NH4VO3 (80—90 °C) is monitored by ESI-MS, EPR, and UV/VIS spectroscopy.