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Internal conversion from vibrationally excited levels

✍ Scribed by G.S. Beddard; G.R. Fleming; O.L.J. Gijzeman; G. Porter

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
571 KB
Volume
18
Category
Article
ISSN
0009-2614

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✦ Synopsis

It is shown that internal conversion to the ground state r;in become an important pathway of ndiationIess decay, for molecules in excited vibrational levels. Changes in fluorescence quantum yield as a function of excitation energy have been calculated for the particular case of naphtllalene and arc found to agree well with cxpcrimcnt.

:V,o:ume 18, nwd3e-i 4 CHEMICAL PHYSICS LETTERS

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After electronic excitation most organic molecules return to the electronic ground state via radiationless processes. Internal conversion is one of the most important relaxation mechanisms. Usually, internal conversion rates are investigated by time-resolved bleaching experiments where the absorptio