Photosynthetic of Water Oxidation for RuPtI2 Complexes
Keywords:
Water, Oxidation, Ruthenium Catalysts, Irradiation, LED, HPLCAbstract
This work elaborates the effect of dynamic irradiation and enhanced mass transport on light-driven molecular water oxidation for RuPtI2 complexes to counteract catalyst deactivation. It highlights the importance of overall reaction design to overcome limiting factors in artificial photosynthesis reactions. Systematic investigation of a homogenous three components ruthenium-based water oxidation system revealed significant potential to enhance the overall catalytic efficiency by synchronizing the timescales of photoreaction and mass transport in a capillary flow reactor. The overall activity could be improved by a factor of more than 20 with respect to the turnover number and a factor of 30 referring to the external energy efficiency by applying low irradiation intensities and high flow rates following them by HPLC.
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