A Dinuclear Ruthenium-Based Water Oxidation Catalyst: Use of Non-Innocent Ligand Frameworks for Promoting Multi-Electron Reactions

Title	A Dinuclear Ruthenium-Based Water Oxidation Catalyst: Use of Non-Innocent Ligand Frameworks for Promoting Multi-Electron Reactions
Authors	Tanja M Laine, Markus D Kärkäs, Rong-Zhen Liao, Per E M Siegbahn, Björn Åkermark
Magazine	Chemistry (Weinheim an Der Bergstrasse, Germany)
Date	04/29/2015
DOI	10.1002/chem.201406613
Introduction	Understanding the oxidation process of H2O to O2 is crucial for designing efficient water oxidation catalysts, essential for solar-to-fuel systems. This study explores the mechanistic aspects of a dinuclear ruthenium-based water oxidation catalyst. The catalytic performance of the Ru complex was investigated using high-resolution mass spectrometry, electrochemistry, and quantum chemical calculations. Findings suggest the Ru complex's ligand scaffold exhibits non-innocent behaviour, with metal-ligand cooperation playing a key role in the four-electron oxidation of H2O. This behaviour is critical for catalytic efficiency, suggesting that non-innocent ligand frameworks may be a general strategy for developing efficient water activation catalysts.
Quote	Tanja M Laine, Markus D Kärkäs and Rong-Zhen Liao et al. A Dinuclear Ruthenium-Based Water Oxidation Catalyst: Use of Non-Innocent Ligand Frameworks for Promoting Multi-Electron Reactions. Chemistry. 2015. DOI: 10.1002/chem.201406613
Element	Ruthenium (Ru) , Oxygen (O)
Industry	Research & Laboratory

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