In recent years, there has been increasing interest in synthesis of metal complexes which are active catalysts for water oxidation. In particular, transition metals can adopt a number of oxidation states, coordination ligands, and geometries. Since the 1970s, Ruthenium and Iridium complexes have proven to be versatile and effective metals for water oxidation catalysis. Nevertheless, the application of these catalysts is limited by the high price and low abundance of these noble metals. We have investigated several mononuclear and polynuclear water oxidation catalysts which employ first row transition metals such as copper, manganese, and cobalt. These catalysts have been designed to facilitate O---O bond formation by cooperation between multiple transition metal atoms. These compounds have been investigated by proton nuclear magnetic resonance (<sup>1</sup>H NMR), high resolution mass spectrometry, UV-Vis, and electrochemical methods.

Earth abundant catalysts for water oxidation

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ACS Fall 2022

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.