Decay constant for singlet oxygen in the solvent:

Bromobenzene-d5

Schmidt, R.
J. Am. Chem. Soc. 111(18): 6983-7 (1989)

Lifetime is 1.4 x 10–3 s
Decay rate is 7.4 x 102 s–1

Experimental method: pulsed laser photolysis, luminescence decay
Sensitizer is TPP.

Hurst, J.R.; Schuster, G.B.
J. Am. Chem. Soc. 105(18): 5756-60 (1983)

Lifetime is 8.1 x 10–4 s
Decay rate is 1.2 x 103 s–1

Experimental method: pulsed laser photolysis, luminescence decay
Sensitizer is MB, RB or TPP.

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