The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Significant Effect of Salt Bridges on Electron Transfer
Abstract
Photoinduced electron transfer within donor−(salt bridge)−acceptor complexes has been investigated. We now report the first comparative study of electron transfer through an asymmetric salt bridge interface formed from the 1:1 association of an amidinium to a carboxylate via two hydrogen bonds. Laser flash excitation prompts an electron to transfer from a highly reducing excited state of a derivatized Ru(II) bipyridine donor complex to a dinitrobenzene acceptor juxtaposed by the salt bridge interface. The rate of electron transfer through the D−(amidinium−carboxylate)−A salt bridge is ∼10 2 times slower than that for the pair when the interface is switched, D−(carboxylate−amidinium)−A. This large difference shows that a salt bridge can significantly influence the kinetics of electron transfer and, accordingly, bears considerably on electron transport within the biological milieu of proteins and enzymes.
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Cites
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Molecular recognition of organic ammonium ions in solution using synthetic receptors
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Metadata
- Authors
- Kirby, J. P., Roberts, J. A., & Nocera, D. G.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 1997-10-01
- Volume
- 119
- Issue
- 39
- Pages
- 9230-9236
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2019460193
- Cited by
- 179
- References
- 2
- FWCI
- 8.04
- Type
- journal article
- Language
- en
- Open access
- closed
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