Because internal conversion is in general very fast, the absorption and fluorescence spectra are shifted in frequency

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Because internal conversion is in general very fast, the absorption and fluorescence spectra are shifted in frequency as shown in Figure 25.10. This shift is crucial in making fluorescence spectroscopy capable of detecting very small concentrations. Can you explain why?

Fluorescence Absorption 0-4 Frequency So Absorption Fluorescence Intensity

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Physical Chemistry

ISBN: 978-0321812001

3rd edition

Authors: Thomas Engel, Philip Reid

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