Multicompartment, spherical microcontainers were engineered through a layer-by-layer polyelectrolyte deposition around a fluorescent core while integrating a ruthenium polyoxometalate (Ru4POM), as molecular motor, vis-à-vis its oxygenic, propeller effect, fuelled upon H 2O2 decomposition. The resulting chemomechanical system, with average speeds of up to 25 μm s-1, is amenable for integration into a microfluidic set-up for mixing and displacement of liquids, whereby the propulsion force and the resulting velocity regime can be modulated upon H2O2-controlled addition
Catalytic Self-Propulsion of Supramolecular Capsules Powered by Polyoxometalate Cargos
CARRARO, MAURO;BONCHIO, MARCELLA;
2014
Abstract
Multicompartment, spherical microcontainers were engineered through a layer-by-layer polyelectrolyte deposition around a fluorescent core while integrating a ruthenium polyoxometalate (Ru4POM), as molecular motor, vis-à-vis its oxygenic, propeller effect, fuelled upon H 2O2 decomposition. The resulting chemomechanical system, with average speeds of up to 25 μm s-1, is amenable for integration into a microfluidic set-up for mixing and displacement of liquids, whereby the propulsion force and the resulting velocity regime can be modulated upon H2O2-controlled addition
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