Ultrafast Phenomena VII pp 411-413 | Cite as
Low Temperature Ultrafast Charge Separation: Rate Versus Free Energy
Conference paper
Abstract
The rate of electron transfer from the lowest excited singlet state of a porphyrin to an acceptor was measured in 2-MTHF glass at 77 K for a series of molecules. Analysis of the rate data as a function of free energy of reaction reveals that the ion-pair state of the oxidized donor and reduced acceptor is destabilized in solid solution by about 0.7 eV relative to its energy in polar liquids.
Keywords
Charge Separation Excited Singlet State Argonne National Laboratory Electron Transfer Rate Constant Lower Excited Singlet State
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Reference
- 1.M. R. Wasielewski, D. G. Johnson, W. A. Svec, K. M. Kersey, and D. W. Minsek, J. Am. Chem. Soc., 110, 7219, (1988).CrossRefGoogle Scholar
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© Springer-Verlag Berlin, Heidelberg 1990