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Journal ArticleDOI

One site is enough. Catalytic water oxidation by [Ru(tpy)(bpm)(OH2)]2+ and [Ru(tpy)(bpz)(OH2)]2+.

TLDR
Single-site catalytic water oxidation by the monomeric complexes [Ru(tpy)(bpm)(OH2)]2+ and [Ru[Ru( tpy)(bpz)( OH2]2+) by a well-defined mechanism involving RuV═O is reported.
Abstract
Water oxidation is a key reaction in natural photosynthesis and in many schemes for artificial photosynthesis. Although metal complexes capable of oxidizing water based on Ru, Mn, and Ir are known, a significant question is whether or not dimeric or higher order structures are required for water oxidation. We report here single-site catalytic water oxidation by the monomeric complexes [Ru(tpy)(bpm)(OH2)]2+ and [Ru(tpy)(bpz)(OH2)]2+ (tpy is 2,2′:6′,2′′-terpyridine; bpm is 2,2′-bipyrimidine; bpz is 2,2′-bipyrazine) by a well-defined mechanism involving RuV═O.

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Citations
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Journal ArticleDOI

Solar Energy Supply and Storage for the Legacy and Nonlegacy Worlds

TL;DR: The Scope of Review: Large-Scale Centralized Energy Storage, Chemical Energy Storage: Solar Fuels, and Capacitors 6486 5.1.2.
Journal ArticleDOI

Proton-Coupled Electron Transfer

TL;DR: Proton-coupled electron transfer is an important mechanism for charge transfer in a wide variety of systems including biology- and materials-oriented venues and several are reviewed.
Journal ArticleDOI

The Mechanism of Water Oxidation: From Electrolysis via Homogeneous to Biological Catalysis

TL;DR: In this article, a review compares and unifies viewpoints on water oxidation from various fields of catalysis research, including thermodynamic efficiency and mechanisms of electrochemical water splitting by metal oxides on electrode surfaces, explaining the recent concept of the potential determining step.
Journal ArticleDOI

Doping Metal–Organic Frameworks for Water Oxidation, Carbon Dioxide Reduction, and Organic Photocatalysis

TL;DR: The inactivity of the parent UiO-67 framework and the reaction supernatants in catalytic water oxidation, CO(2) reduction, and organic transformations indicate both the molecular origin and heterogeneous nature of these catalytic processes.
References
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Journal ArticleDOI

Proton-Coupled Electron Transfer

TL;DR: Proton-coupled electron transfer is an important mechanism for charge transfer in a wide variety of systems including biology- and materials-oriented venues and several are reviewed.
Journal ArticleDOI

Chemical approaches to artificial photosynthesis. 2.

TL;DR: The underlying physical principles--light absorption, energy transfer, radiative and nonradiative excited-state decay, electron transfer, proton-coupled electronTransfer, and catalysis--are outlined with an eye toward their roles in molecular assemblies for energy conversion.
Journal ArticleDOI

Cyclometalated iridium(III) Aquo complexes: efficient and tunable catalysts for the homogeneous oxidation of water.

TL;DR: A series of bis-phenylpyridine, bis-aquo iridium(III) complexes is shown to robustly and efficiently catalyze the oxidation of water to dioxygen in the presence of a sacrificial oxidant.
Journal ArticleDOI

A New Family of Ru Complexes for Water Oxidation

TL;DR: Six dinuclear analogues prepared from 4-tert-butyl-2,6-di(1',8'-naphthyrid-2'-yl)pyridine and characterized in a similar fashion show electronic absorption and redox properties consistent with the electron donor/acceptor ability of the axial 4-R-py ligand.
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