The kinetics of reduction of aqueous solutions of CeIV and Ru(bpy)33+ in the presence of catalytic amounts of RuO2 colloids stabilized with polybrene and colloidal TiO2 particles loaded with RuO2 have been investigated by means of stopped-flow spectrophotometric techniques. The effect of pH, catalyst preparation and loading concentration have been considered. The TiO2/RuO2 colloidal particles (45 nm radius) are extremely active catalysts
Dioxygen evolution from inorganic systems. Water oxidation mediated by RuO2 and TiO2-RuO2 Colloids
MINERO, Claudio;PRAMAURO, Edmondo;PELIZZETTI, Ezio
1984-01-01
Abstract
The kinetics of reduction of aqueous solutions of CeIV and Ru(bpy)33+ in the presence of catalytic amounts of RuO2 colloids stabilized with polybrene and colloidal TiO2 particles loaded with RuO2 have been investigated by means of stopped-flow spectrophotometric techniques. The effect of pH, catalyst preparation and loading concentration have been considered. The TiO2/RuO2 colloidal particles (45 nm radius) are extremely active catalysts
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