(d) The first-order rate constants for the fluorescence and phosphorescence of molecule X are 4.5 x 107 s' and 0.50 s', respectively. Briefly explain the large order of magnitude difference in the rate constant values. (c) Explain how long (in s) it takes for 1.0% of fluorescence and phosphorescence to occur following termination of excitation.
(d) The first-order rate constants for the fluorescence and phosphorescence of molecule X are 4.5 x 107 s' and 0.50 s', respectively. Briefly explain the large order of magnitude difference in the rate constant values. (c) Explain how long (in s) it takes for 1.0% of fluorescence and phosphorescence to occur following termination of excitation.
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter15: Molecular Luminescence Spectrometry
Section: Chapter Questions
Problem 15.15QAP: The following lifetimes were measured for the chloride quenching of quinine sulfate given in Example...
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