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Title: Water oxidation by Ruthenium complexes incorporating multifunctional biipyridyl diphosphonate ligands

Journal Article · · Angewandte Chemie (International Edition)
 [1];  [1];  [2];  [3];  [1]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States); Adam Mickiewicz Univ., Poznan (Poland)
  3. Baruch College, CUNY, New York, NY (United States)

Abstract We describe herein the synthesis and characterization of ruthenium complexes with multifunctional bipyridyl diphosphonate ligands as well as initial water oxidation studies. In these complexes, the phosphonate groups provide redox‐potential leveling through charge compensation and σ donation to allow facile access to high oxidation states. These complexes display unique pH‐dependent electrochemistry associated with deprotonation of the phosphonic acid groups. The position of these groups allows them to shuttle protons in and out of the catalytic site and reduce activation barriers. A mechanism for water oxidation by these catalysts is proposed on the basis of experimental results and DFT calculations. The unprecedented attack of water at a neutral six‐coordinate [Ru IV ] center to yield an anionic seven‐coordinate [Ru IV −OH] intermediate is one of the key steps of a single‐site mechanism in which all species are anionic or neutral. These complexes are among the fastest single‐site catalysts reported to date.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1333198
Alternate ID(s):
OSTI ID: 1401855
Report Number(s):
BNL-113194-2016-JA; R&D Project: CO026; KC0304030
Journal Information:
Angewandte Chemie (International Edition), Vol. 55, Issue 28; ISSN 1433-7851
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 61 works
Citation information provided by
Web of Science

References (25)

Biological Water Oxidation journal March 2013
Single-Site, Catalytic Water Oxidation on Oxide Surfaces
  • Chen, Zuofeng; Concepcion, Javier J.; Jurss, Jonah W.
  • Journal of the American Chemical Society, Vol. 131, Issue 43, p. 15580-15581 https://doi.org/10.1021/ja906391w
journal November 2009
Catalytic Water Oxidation by Single-Site Ruthenium Catalysts journal February 2010
Electronic Modification of the [Ru II (tpy)(bpy)(OH 2 )] 2+ Scaffold: Effects on Catalytic Water Oxidation
  • Wasylenko, Derek J.; Ganesamoorthy, Chelladurai; Henderson, Matthew A.
  • Journal of the American Chemical Society, Vol. 132, Issue 45 https://doi.org/10.1021/ja106108y
journal November 2010
Base-enhanced catalytic water oxidation by a carboxylate–bipyridine Ru(II) complex journal April 2015
Evolution of O 2 in a Seven-Coordinate Ru IV Dimer Complex with a [HOHOH] Bridge: A Computational Study journal March 2010
Oxo-Bridge Scenario behind Single-Site Water-Oxidation Catalysts journal December 2014
Mononuclear Ruthenium(II) Complexes That Catalyze Water Oxidation journal December 2008
One Site is Enough. Catalytic Water Oxidation by [Ru(tpy)(bpm)(OH 2 )] 2+ and [Ru(tpy)(bpz)(OH 2 )] 2+ journal December 2008
Oxygenic Photosynthesis book January 2013
Mn 4 Ca Cluster in Photosynthesis: Where and How Water is Oxidized to Dioxygen journal March 2014
Highly Efficient Binuclear Ruthenium Catalyst for Water Oxidation journal February 2015
Apparatus and Mechanism of Photosynthetic Water Splitting as Nature's Blueprint for Efficient Solar Energy Exploitation book January 2013
Mechanism of water oxidation by [Ru(bda)(L) 2 ]: the return of the “blue dimer” journal January 2015
Concerted O atom-proton transfer in the O--O bond forming step in water oxidation journal April 2010
Catalytic oxidation of water by an oxo-bridged ruthenium dimer journal July 1982
Mechanism of Water Oxidation by Single-Site Ruthenium Complex Catalysts
  • Concepcion, Javier J.; Tsai, Ming-Kang; Muckerman, James T.
  • Journal of the American Chemical Society, Vol. 132, Issue 5, p. 1545-1557 https://doi.org/10.1021/ja904906v
journal February 2010
Isolated Seven-Coordinate Ru(IV) Dimer Complex with [HOHOH] Bridging Ligand as an Intermediate for Catalytic Water Oxidation journal August 2009
Photosystem II: The Reaction Center of Oxygenic Photosynthesis journal June 2013
A molecular ruthenium catalyst with water-oxidation activity comparable to that of photosystem II journal March 2012
Evolution of O 2 in a Seven-Coordinate Ru IV Dimer Complex with a [HOHOH] Bridge: A Computational Study journal March 2010
A molecular catalyst for water oxidation that binds to metal oxide surfaces journal March 2015
Mechanisms of Water Oxidation from the Blue Dimer to Photosystem II journal March 2008
Concerted O atom-proton transfer in the O--O bond forming step in water oxidation text January 2010
Base-enhanced catalytic water oxidation by a carboxylate–bipyridine Ru(II) complex text January 2015

Cited By (10)

Redox‐Active Ligand Assisted Catalytic Water Oxidation by a Ru IV =O Intermediate journal January 2020
Redox‐Active Ligand Assisted Catalytic Water Oxidation by a Ru IV =O Intermediate journal January 2020
Quantum Chemical Study of the Mechanism of Water Oxidation Catalyzed by a Heterotrinuclear Ru 2 Mn Complex journal February 2019
Mononuclear Ru(II) PolyPyridyl Water Oxidation Catalysts Decorated with Perfluoroalkyl C 8 H 17 -Tag Bearing Chains : Mononuclear Ru(II) PolyPyridyl Water Oxidation Catalysts Decorated with Perfluoroalkyl C journal October 2019
Water Oxidation Catalyzed by Ruthenium Complexes with 4-Hydroxypyridine-2,6-dicarboxylate as a Negatively Charged Tridentate Ligand: Water Oxidation Catalyzed by Ruthenium Complexes with 4-Hydroxypyridine-2,6-dicarboxylate as a Negatively Charged Tridentate Ligand journal June 2020
Effects of a strong π-accepting ancillary ligand on the water oxidation activity of weakly coupled binuclear ruthenium catalysts journal January 2019
Unfolding the complexation and extraction of Am 3+ and Eu 3+ using N-heterocyclic aromatic diphosphonic acids: a combined experimental and DFT study journal January 2019
Structural evolution of the Ru-bms complex to the real water oxidation catalyst of Ru-bda: the bite angle matters journal January 2020
Pentanuclear iron catalysts for water oxidation: substituents provide two routes to control onset potentials journal January 2019
Proton Acceptor near the Active Site Lowers Dramatically the O–O Bond Formation Energy Barrier in Photocatalytic Water Splitting journal November 2019