The tetradentate complex [Ru(dpp)(pic)2]Cl2 (dpp = 2,9-di(pyrid-2'-yl)-1,10-phenanthroline and pic = 4-picoline) has been shown to be an effective water oxidation catalyst both in Ce(IV) and light-driven processes. Other tetradentate ligands related to dpp have been incorporated into similar complexes and examined for activity. The synthesis of another tetradentate ligand, 2-(pyrid-2'-yl)-8-(1'',10''-phenanthrolin-2''-yl)-quinoline (ppq), is reported and its use in a Ru(II)-based water oxidation system as well as a Co(II)-based water reduction system is described.

Systematic approach to a molecular light-driven water splitting catalyst

248th National Meeting (2014)

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