Decay constant for singlet oxygen in the solvent:

Chloroform

Schmidt, R.; Afshari, E.
Ber. Bunsenges. Phys. Chem. 96(6): 788-94 (1992)

Lifetime is 2.3 x 10–4 s
Decay rate is 4.4 x 103 s–1

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

Aveline, B.; Delgado, O.; Brault, D.
J. Chem. Soc., Faraday Trans. 88(14): 1971-6 (1992)

Lifetime is 1.7 x 10–4 s
Decay rate is 6.0 x 103 s–1

Experimental method: pulsed laser photolysis, luminescence decay
Sensitizer is HVD and PPDME.

Krasnovsky, A.A.,Jr.; Rodgers, M.A.J.; Gal'pern, M.G.; Kenney, M.E.; Luk'yanets, E.A.
Bioorg. Khim. 16(10): 1413-8 (1990)

Lifetime is 2.5 x 10–4 s
Decay rate is 4.0 x 103 s–1

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

Wang, W.; Tang, Y.; Yu, Y.
Yingyong Huaxue 6(3): 54-6 (1989)

Lifetime is 2.6 x 10–4 s
Decay rate is 3.8 x 103 s–1

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

Redmond, R.W.; Braslavsky, S.E.
NATO ASI Ser., Ser. H 15(Photosensitisation): 93-5 (1988)

Lifetime is 2.0 x 10–4 s
Decay rate is 5.0 x 103 s–1

Experimental method: pulsed laser photolysis, thermal buildup
Sensitizer is Pz.

Darmanyan, A.P.
Khim. Fiz. 6(9): 1192-8 (1987)

Lifetime is 2.5 x 10–4 s
Decay rate is 4.0 x 103 s–1

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

Fuke, K.; Ueda, M.; Itoh, M.
J. Am. Chem. Soc. 105(5): 1091-6 (1983)

Lifetime is 6.2 x 10–5 s
Decay rate is 1.6 x 104 s–1

Experimental method: pulsed laser photolysis, thermal buildup
Sensitizer is TPP.

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

Lifetime is 2.5 x 10–4 s
Decay rate is 4.0 x 103 s–1

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

Jenny, T.A.; Turro, N.J.
Tetrahedron Lett. 23(29): 2923-6 (1982)

Lifetime is 1.6 x 10–4 s
Decay rate is 6.3 x 103 s–1

Experimental method: continuous photolysis, luminescence intensity
Sensitizer is Benz[de]anthracen-7-one, phenalenone or fluorenone
rel. to kd = 4.0 x 104 s–1 in benzene.

Peters, G.; Rodgers, M.A.J.
J. Am. Chem. Soc. 103(22): 6759-61 (1981)

Lifetime is 4.1 x 10–4 s
Decay rate is 2.4 x 103 s–1

Experimental method: pulsed laser photolysis, substrate disappearance
Sensitizer is 2-ACN;
Substrate is DPBF
cor. for kS.

Salokhiddinov, K.I.; Byteva, I.M.; Gurinovich, G.P.
J. Appl. Spectrosc. 34(5): 561-4 (1981)

Lifetime is 2.5 x 10–4 s
Decay rate is 4.0 x 103 s–1

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

Salokhiddinov, K.I.; Dzhagarov, B.M.; Byteva, I.M.; Gurinovich, G.P.
Chem. Phys. Lett. 76(1): 85-7 (1980)

Lifetime is 2.4 x 10–4 s
Decay rate is 4.2 x 103 s–1

Experimental method: pulsed laser photolysis, luminescence decay
Sensitizer is PdMPDME or MPDME
decay at 1588 nm.

Usui, Y.; Tsukada, M.; Nakamura, H.
Bull. Chem. Soc. Jpn. 51(2): 379-84 (1978)

Decay rate is 9.0 x 103 s–1

Experimental method: pulsed laser photolysis, substrate disappearance
Sensitizer is MB,
Substrate is DPBF.

Young, R.H.; Brewer, D.R.
Singlet Oxygen, Reactions with Organic Compounds and Polymers, B. Ranby and J.F. Rabek (eds.), John Wiley & Sons, New York, N.Y., 1976, p.36-47

Lifetime is 2 x 10–4 s
Decay rate is 4 x 103 s–1

Experimental method: pulsed laser photolysis, substrate disappearance
Sensitizer is MB,
Substrate is DPBF.

Long, C.A.; Kearns, D.R.
J. Am. Chem. Soc. 97(8): 2018-20 (1975)

Lifetime is 6 x 10–5 s
Decay rate is 2 x 104 s–1

Experimental method: pulsed laser photolysis, substrate disappearance
Sensitizer is MB,
Substrate is DPBF. kd decreases by 50% on lowering the temperature from 298 to 223K.

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