By Jason Woolford -
Understanding biological water oxidation is central to achieving artificial photosynthesis and providing cheap and efficient hydrogen production. However, cracking the mystery of such a complex system has resulted in two competing oxidation state schemes, accompanied by controversy and debate over which is correct. Now, Dimitrios Pantazis, of the Max Planck Institute for Chemical Energy Conversion in Germany, and his colleagues feel they have proven one scheme more valid than the other.
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Ref: Metal oxidation states in biological water splitting. Chem. Sci., 2015, Advance Article DOI: 10.1039/C4SC03720K