Biacetyl, energy transfer rate constants

In a classic study of back transfer, Sandros determined the forward and reverse energy transfer rate constants for biacetyl with a number of compounds of varying triplet energies.102,103 These values are given in Table III.102... 

Rate Constants for Energy Transfer to and back from Biacetyls,b... 

Fig. 2. Flash spectroscopic rate constants for triplet energy transfer from donors of various excitation energies to biacetyl and to m-stilbene.

Figure 5 JO. Triplet-triplet energy transfer from biacetyl in benzene to various acceptors. Rate constant as a function of the triplet energy of the acceptor (by permission from Lamola, 1968).

Figure 15.25 Rate constants for the triplet energy transfer from biacetyl, throngh a hemicarcerand cage, to aromatic hydrocarbons in solntion. The fnll line represents the Golden Rnle calcnlations and the other lines the ISM calculations differing in the parameters shown in the plot.

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