Jablonski-diagram kinetics#

The 3-state (S1, T1, S0) Jablonski excited-state decay network, checked against its closed-form population solution, plus triplet phosphorescence, flash photolysis of the triplet, and Kasha’s rule.

Jablonski-diagram excited-state kinetics

Jablonski-diagram excited-state kinetics

Lewis and Kasha: phosphorescence as slow emission from the triplet state

Lewis and Kasha: phosphorescence as slow emission from the triplet state

Norrish and Porter’s flash photolysis: watching a transient triplet decay

Norrish and Porter's flash photolysis: watching a transient triplet decay

Kasha’s rule: emission comes from the lowest excited state

Kasha's rule: emission comes from the lowest excited state