Abstract

Polypyridyl ruthenium(II) complexes have been widely researched as promising functional molecules. We have found unique photoisomerization reactions of polypyridyl ruthenium(II) aquo complexes. Recently we have attempted to provide insight into the mechanism of the photoisomerization of the complexes and distinguish between the distal−/proximal-isomers in their physicochemical properties and functions. Moreover, polypyridyl ruthenium(II) aquo complexes have been intensively studied as active water oxidation catalysts (WOCs) which are indispensable for artificial photosynthesis. The catalytic aspect and mechanism of water oxidation by the distal-/proximal-isomers of polypyridyl ruthenium(II) aquo complexes have been investigated to provide the guided thought to develop more efficient molecular catalysts for water oxidation. The recent progress on the photoisomerization and water oxidation of polypyridyl ruthenium(II) aquo complexes in our group are reviewed to understand the properties and functions of ruthenium complexes.

Highlights

  • Polypyridyl ruthenium(II) complexes have been widely researched as promising functional molecules due to appealing photochemical [1–3] and photophysical [4–6] properties as well as redox properties [7, 8], which enable them to exhibit a number of functions such as electrochromism [9, 10], proton-coupled electron transfer [11– 13] and photocatalysis [14, 15]

  • Polypyridyl ruthenium(II) aquo complexes have been intensively studied as active water oxidation catalysts (WOCs) [21, 22, 34, 35, 37, 39, 40] which are indispensable for artificial photosynthesis

  • We review the recent progress on the photoisomerization and water oxidation of polypyridyl ruthenium(II) aquo complexes in our group

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Summary

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Selection of our books indexed in the Book Citation Index in Web of ScienceTM Core Collection (BKCI). Numbers displayed above are based on latest data collected. Mechanisms of Photoisomerization and Water Oxidation Catalysis of Ruthenium (II) Aquo Complexes

Introduction
Photoisomerization parameters
Findings
Conclusions

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