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- Title
Heterogeneous Electron Transfer Rate Constants of Viologen Monocations at a Platinum Disk Electrode.
- Authors
Bhatti, Naheed Kaukab; Subhani, M. Sadiq; Khan, Ather Yaseen; Qureshi, Rumana; Rahman, Abdur
- Abstract
Experimental values of rate constants for the heterogeneous transfer of electrons to methyl viologen, diquat viologen, benzyl viologen and n-butyl viologen monocations were determined. The process was studied at the surface of a platinum disk in mixtures of water with different aprotic solvents at different temperatures. Theoretical rate constants were evaluated using Marcus' equation, which also contains barrier crossing probability and nuclear frequency. A comparison was made between the theoretical and experimental values of rate constants.
- Subjects
ELECTRONS; CHARGE exchange; WATER; SOLVENTS; TEMPERATURE
- Publication
Turkish Journal of Chemistry, 2006, Vol 30, Issue 2, p165
- ISSN
1300-0527
- Publication type
Article