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- W2287653460 abstract "This thesis investigates the connection between the non-radiative relaxation dynamics of 1.8-dihydroxy-9.10-anthraquinone (1.8-DHAQ) and the intramolecular proton-transfer in the first electronically excited state. For this purpose pump-probe-measurements in benzyl alcohol as well as fluorescence-up-conversion measurements in benzyl alcohol, propylenecarbonate and tetrachloromethane were carried out. In addition the influence of the deuteration of the hydroxylgroups of 1.8-DHAQ in tetrachloromethane was tested. Analysis of the data shows, that the proton-transfer of 1.8-DHAQ in the first excited state can neither be described by a separate shift of the proton in the quasi-aromatic ring nor merely by a deformation of the molecular skeleton. The rearrangement of the molecular structure in the excited state has to comprise several degrees of vibrational freedom of the molecule. Therefore the interpretation of the results of the measurements have to be based on a Lippincott-Schroeder double-minimum potential along the proton-transfer coordinate taking account of the coupling between the (OH)-vibrational mode and other low frequency modes of the molecule." @default.
- W2287653460 created "2016-06-24" @default.
- W2287653460 creator A5030749801 @default.
- W2287653460 date "2022-02-20" @default.
- W2287653460 modified "2023-09-30" @default.
- W2287653460 title "Femtosekunden-Spektroskopie zur Protontransfer-Dynamik im elektronisch angeregten Zustand von 1.8-Dihydroxy-9.10-Anthrachinon" @default.
- W2287653460 doi "https://doi.org/10.53846/goediss-2040" @default.
- W2287653460 hasPublicationYear "2022" @default.
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