Decay constant for singlet oxygen in the solvent: 1,2-Dibromotetrafluoroethane

Lifetime is 0.031 s
Decay rate is 32 s^–1

Experimental method: modulated photolysis, luminescence decay
Sensitizer is MB, TPP or PHO
k_d = 9.0 s^–1 for [O₂] <= 10^–5 mol L^–1.

Lifetime is 0.050 s
Decay rate is 20 s^–1

Experimental method: modulated photolysis, luminescence decay
Sensitizer is TPP.