Journal
COORDINATION CHEMISTRY REVIEWS
Volume 250, Issue 23-24, Pages 3128-3141Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2006.02.012
Keywords
photophysical properties; solvatochromism; polynuclear assemblies; bipyridyl complexes; ruthenium
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This review describes the intriguing properties of the complex anion [Ru(bipy)(CN)(4)](2-), whose redox and photophysical properties are strongly solvent-dependent. This complex and its analogues and derivatives are proving to be of particular value as components of polynuclear assemblies because of the ease with which they associate with other species by either hydrogen-bonding via the cyanides, or by direct ligation of the cyanide ligands to other metal ions. The strong solvatochromism means that the ability of the complex to act as an energy or electron donor in its (MLCT)-M-3 excited state can be switched over a wide range, a feature which has so far only been exploited in a few instances. (c) 2006 Elsevier B.V. All rights reserved.
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