The present work addresses this issue based on a molecular pentanuclear Fe 5 complex and describes the different protocols and tests that need to be carried out in order to identify the real active species, responsible for the generation of dioxygen.Ĭatalysis Chemical Energy Inorganic Chemistry.Ĭopyright © 2020 The Author(s). The intrinsic chemistry of first row transition metals and in particular the lability of their M-L bonds in water imposes serious challenges for the latter to work as real molecular catalysts. Great developments have been achieved using transition metal complexes mainly based on Ru, but for technological applications it is highly desirable to be able to use earth-abundant transition metals. To achieve this, one of the key reactions that need to be mastered is the electrocatalytic oxidation of water to dioxygen. Water splitting with sunlight is today one of the most promising strategies that can be used to start the imperatively needed transition from fossil to solar fuels.
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