Selective Population of the n, π* and π, π* Triplet States of 1‐Indanones
作者： Walter Amrein , Inga-Mai Larsson , Kurt Schaffner
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摘要: The two components of the dual phosphorescence 1-indanone (1) and six related ketones (2–7) possess different excitation spectra exhibiting vibrational progression characteristic S0 S1 (n, π*) transition (shorter-lived emission) bands S2 3 (π,π*) 0–0 transitions, respectively. most favorable intersystem crossing routes are T S2,3 (π*) (π, π*). Internal conversion to competes more effectively with S only from higher levels S3 states.
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