Contact and Distant Luminescence Quenching in Solutions
state populations after instantaneous excitation of at and .
(a) Spontaneous (exponential) decay of with lifetime (thick straight line) and its dissipation
accompanied by intersystem crossing with the backward rates (dotted line), (dashed-dotted line), and (dashed line). (b) Accumulation and dissipation
of the initially empty state ,
which decays through faster the higher is ,
or does not decay at all if .
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