Triphenylphosphine Singlet oxygen

Vidoczy, T.; Nemeth, S.
Photochemistry and Photophysics of Coordination Compounds, H. Yersin and A. Vogler (eds.), Springer-Verlag, Berlin, 1987, p. 331-3

Reaction: (C₆H₅)₃P + ¹O₂^* ® products and/or physical quenching
Solvent: CH₂Cl₂, 90%, MeOH, 10%

k = 5.0 × 10⁶(L mol^-1 s^-1)

Experimental method: Flash photolysis
Data type: Absolute value measured directly using indicator

Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran.

Hovey, M.C.
J. Am. Chem. Soc. 104, 4196-4202 (1982)

Reaction: (C₆H₅)₃P + ¹O₂^* ® products and/or physical quenching
Solvent: Chloroform

k = 8.5 × 10⁶(L mol^-1 s^-1), T = 253K

Experimental method: Photolysis
Data type: Derived from steady state measurements using indicator

Photosensitizer = Indicator = Rubrene; used solvent k_d = 1.7 × 10⁴ s^-1; k for indicator = 5.3 × 10⁷ L/(mol·s).

Koch, E.
Tetrahedron 24, 6295-6318 (1968)

Reaction: (C₆H₅)₃P + ¹O₂^* ® products and/or physical quenching
Solvent: MeOH

Activation energy = 5.0(kJ mol^-1)
b = 6.0 × 10^-3(mol L^-1), T = 293K

Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements

Photosensitizer = Methylene Blue; meas. k_d/k = 6.0 × 10^-3 mol/L.

Koch, E.
Tetrahedron 24, 6295-6318 (1968)

Reaction: (C₆H₅)₃P + ¹O₂^* ® products and/or physical quenching
Solvent: MeOH

Activation energy = 5.9(kJ mol^-1)
b = 5.0 × 10^-3(mol L^-1), T = 293K

Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements

Photosensitizer = Rose Bengal dianion. meas. k_d/k = 5.0 × 10^-3 mol/L.