Fedunov, Roman G. published the artcileTheory of fluorescence spectrum dynamics and its application to determining the relaxation characteristics of the solvent and intramolecular vibrations, Recommanded Product: Benzyl acetate, the main research area is fluorescence spectrum dynamics solvent intramol vibration relaxation characteristics.
A general anal. expression for the transient fluorescence spectrum is derived. The formation of a wave packet in the excited state of a fluorophore is described, assuming that the pump pulse has a Gaussian time-profile. The expression explicitly connects the relaxation characteristics of the medium with the spectral dynamics of a fluorophore. Fitting the expression to exptl. spectral dynamics allows obtaining the solvent relaxation function. So far this approach was applicable for the anal. of exptl. data when the pump pulse does not populate excited sublevels of intramol. high-frequency vibrational modes. Here, the approach is generalized to include vibrational relaxation in the excited electronic state. In this case, fitting to the exptl. spectral dynamics provides reliable information not only on the solvent relaxation, but also on the relaxation time constants of intramol. high-frequency vibrational modes. This approach is applied to the excited state dynamics of coumarin 153 in multiple solvents, obtained from broadband fluorescence upconversion spectroscopy.
Journal of Molecular Liquids published new progress about Dielectric constant. 140-11-4 belongs to class esters-buliding-blocks, name is Benzyl acetate, and the molecular formula is C9H10O2, Recommanded Product: Benzyl acetate.
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Ester – an overview | ScienceDirect Topics