Electrochemical Control of CO/NO Ligand Exchange in a Triruthenium Cluster Monolayer Assembled on a Gold Electrode Surface

A highly selective ligand exchange reaction is realized in the self-assembled monolayer (SAM) of a triruthenium cluster on a gold electrode surface under precise electrochemical potential control. CO as well as NO molecules, which are known to play key roles in many chemical, biological, and environ...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2004-06, Vol.126 (24), p.7434-7435
Main Authors: Ye, Shen, Zhou, Wei, Abe, Masaaki, Nishida, Takuma, Cui, Longfei, Uosaki, Kohei, Osawa, Masatoshi, Sasaki, Yoichi
Format: Article
Language:English
Subjects:
Carbon Monoxide - chemistry
Chemistry
Electrochemistry
Electrodes
Exact sciences and technology
General and physical chemistry
Gold - chemistry
Kinetics and mechanism of reactions
Ligands
Nitric Oxide - chemistry
Ruthenium Compounds - chemical synthesis
Surface Properties
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Summary:A highly selective ligand exchange reaction is realized in the self-assembled monolayer (SAM) of a triruthenium cluster on a gold electrode surface under precise electrochemical potential control. CO as well as NO molecules, which are known to play key roles in many chemical, biological, and environmental systems, can be efficiently introduced into the SAM by electrochemically tuning the electronic state of the Ru site. These unique surface reactions are more convenient and efficient than conventional ligand exchange reactions in solution and could be used for the elucidation of the electron-transfer mechanism in a biological system as well as in the development of molecular sensors and devices.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja049478j