Ultrafast charge transfer processes in solution [Elektronische Ressource] / von Katrin Adamczyk

Ultrafast charge transfer processes in solutionDISSERTATIONzur Erlangung des akademischen GradesDr. rer. nat.im Fach Chemieeingereicht an derMathematisch-Naturwissenschaftlichen Fakultät IHumboldt-Universität zu BerlinvonDipl.-Chem. Katrin Adamczyk25.02.1980 in BerlinPräsident der Humboldt-Universität zu Berlin:Prof. Dr. Dr. C. MarkschiesDekan der Mathematisch-Naturwissenschaftlichen Fakultät I:Prof. Dr. L. - H. SchönGutachter:1. Prof. Dr. N. P. Ernsting2. Dr. E. T. J. Nibbering3. Prof. Dr. E. Vautheyeingereicht am: 29.10.2009Tag der mündlichen Prüfung: 13.04.2010Aut viam inveniam aut faciamAbstractChargetransferreactionsinsolutionareoffundamentalimportanceinmanyareasofchemistryandbiology. Ascommonlyaccepted, electrontransferreactionisregardedasthesimplestchemicalreactionbecauseoftheabsenceofbond-breakingandbond-forming processes. It plays a key role in biocatalysis and in photosynthesis. Onthe other hand, neutralisation reactions between Brønsted acids and bases involveproton transfer which is important for other processes as well: for instance thefunction of enzymes, the transport mechanism in biological membranes and theaforementioned photosynthesis. Research on charge transfer reactions began in thenineteenth century. In the 1950s, the development of concepts started, in order todescribe the mechanism on a microscopic level. Based on transition state theoryRudolphA.