Absolute Standard Redox Potential of Monolayer-Protected Gold Nanoclusters

The redox properties of monolayer-protected gold nanoclusters (MPCs) are considered from both the theoretical and experimental viewpoints. The “absolute standard redox potential” ([ ]abs) of MPCs is first derived from electrostatic considerations. A linear dependence of the absolute standard redox potential on the valence state of MPCs is theoretically predicted and verified experimentally. By employing ferricinium/ferrocene (Fc+/Fc) as a reference redox couple, the average valence state of MPCs at a given potential can be estimated.


Published in:
J. Phys. Chem. B, 109, 11427
Year:
2005
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 Record created 2005-11-07, last modified 2018-03-17

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