Catalytic Oxygen Evolution from Manganese Complexes with an Oxidation-Resistant N,N,O-Donor Ligand

Thoe K. Michaelos, Hannah M.C. Lant, Liam S. Sharninghausen, Stephanie M. Craig, Fabian S. Menges, Brandon Q. Mercado, Gary W. Brudvig, Robert H. Crabtree

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Abstract

There is great interest in developing Mn water-splitting catalysts due to their low cost, abundance, and relevance to the oxygen-evolving complex (OEC). Three ligands with highly donating pyridine alkoxide moieties, including 2-(pyridin-2-yl)propan-2-ol (pyalkH), 2,2′-(pyridine-2,6-diyl)bis(propan-2-ol) (py-dialkH2), and 2-[(2,2′-bipyridin)-6-yl]propan-2-ol (bipy-alkH), have been screened with Mn for oxygen-evolution catalysis. Complexes with the ligand bipy-alkH were shown to evolve O2 when driven by Oxone (potassium peroxymonosulfate). The catalytic mixture generated from the precursor complex [Mn(bipy-alkH)Cl2] retained activity in unbuffered solution beyond 160 h.

Original languageEnglish
Pages (from-to)1129-1132
Number of pages4
JournalChemPlusChem
Volume81
Issue number10
DOIs
Publication statusPublished - Oct 1 2016

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Keywords

  • homogeneous catalysis
  • manganese
  • water oxidation
  • water splitting

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Michaelos, T. K., Lant, H. M. C., Sharninghausen, L. S., Craig, S. M., Menges, F. S., Mercado, B. Q., Brudvig, G. W., & Crabtree, R. H. (2016). Catalytic Oxygen Evolution from Manganese Complexes with an Oxidation-Resistant N,N,O-Donor Ligand. ChemPlusChem, 81(10), 1129-1132. https://doi.org/10.1002/cplu.201600353