Decay constant for singlet oxygen in the solvent:

Methanol

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

Lifetime is 9.5 x 10–6 s
Decay rate is 1.1 x 105 s–1

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

Harriman, A.; Luengo, G.; Gulliya, K.S.
Photochem. Photobiol. 52(4): 735-40 (1990)

Lifetime is 1.1 x 10–5 s
Decay rate is 8.9 x 104 s–1

Experimental method: pulsed laser photolysis, luminescence decay
Sensitizer is T(m-HOP)P.

Studer, S.L.; Brewer, W.E.; Martinez, M.L.; Chou, P.-T.
J. Am. Chem. Soc. 111(19): 7643-4 (1989)

Lifetime is 1.0 x 10–5 s
Decay rate is 9.8 x 104 s–1

Experimental method: pulsed laser photolysis, luminescence decay
Sensitizer is RB or H2TPPS4–.

Chacon, J.N.; McLearie, J.; Sinclair, R.S.
Photochem. Photobiol. 47(5): 647-56 (1988)

Lifetime is 9.0 x 10–6 s
Decay rate is 1.1 x 105 s–1

Experimental method: pulsed laser photolysis, luminescence decay
Sensitizer is MB and RF.

Chou, P.-T.; Khan, S.; Frei, H.
Chem. Phys. Lett. 129(5): 463-7 (1986)

Lifetime is 9.7 x 10–6 s
Decay rate is 1.0 x 105 s–1

Experimental method: pulsed laser photolysis, luminescence decay
Sensitizer is C6H5CO2–.

Chou, P.-T.; Khan, S.; Frei, H.
Chem. Phys. Lett. 129(5): 463-7 (1986)

Lifetime is 1.0 x 10–5 s
Decay rate is 1.0 x 105 s–1

Experimental method: pulsed laser photolysis, luminescence decay
1O2* from NDPO2.

Chattopadhyay, S.K.; Kumar, C.V.; Das, P.K.
J. Photochem. 24(1): 1-9 (1984)

Decay rate is 1.0 x 105 s–1

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

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

Lifetime is 9.0 x 10–6 s
Decay rate is 1.1 x 105 s–1

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

Rodgers, M.A.J.
J. Am. Chem. Soc. 105(20): 6201-5 (1983)

Lifetime is 1.0 x 10–5 s
Decay rate is 9.6 x 104 s–1

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

Gorman, A.A.; Gould, I.R.; Hamblett, I.
J. Am. Chem. Soc. 104(25): 7098-104 (1982)

Lifetime is 1.0 x 10–5 s
Decay rate is 1.0 x 105 s–1

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

Parker, J.G.; Stanbro, W.D.
Johns Hopkins APL Tech. Dig. 2(3): 196-9 (1981)

Lifetime is ~7 x 10–6 s
Decay rate is ~1 x 105 s–1

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

Fuke, K.; Ueda, M.; Itoh, M.
Chem. Phys. Lett. 76(2): 372-4 (1980)

Lifetime is 1.2 x 10–5 s
Decay rate is 8.3 x 104 s–1

Experimental method: pulsed laser photolysis, thermal buildup
Sensitizer is CH3COCOCH3;
Substrate is 2,5-DMF.

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

Decay rate is 1.1 x 105 s–1

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

Wilkinson, F.
Singlet Oxygen, Reactions with Organic Compounds and Polymers, B. Ranby and J.F. Rabek (eds.), John Wiley & Sons, New York, N.Y., 1976, p.27-35

Lifetime is 9 x 10–6 s
Decay rate is 1 x 105 s–1

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

Young, R.H.; Brewer, D.; Keller, R.A.
J. Am. Chem. Soc. 95(2): 375-9 (1973)

Lifetime is 1.0 x 10–5 s
Decay rate is 9.7 x 104 s–1

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

Young, R.H.; Brewer, D.; Keller, R.A.
J. Am. Chem. Soc. 95(2): 375-9 (1973)

Lifetime is 1.1 x 10–5 s
Decay rate is 8.8 x 104 s–1

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

Merkel, P.B.; Kearns, D.R.
Chem. Phys. Lett. 12(1): 120-22 (1971)

Lifetime is 7 x 10–6 s
Decay rate is 1 x 105 s–1

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

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