Singlet oxygen quantum yields QY2

Phthalocyanine, magnesium(II)

Petsold, O.M.; Byteva, I.M.; Gurinovich, G.P.
Opt. Spectrosc. (Engl. Transl.) 34(3): 343-4 (1973)

Sensitizer: Phthalocyanine, magnesium(II)
Solvent: C₅H₅N
Oxygen concentration: O₂

Quantum yield of formation = 0.40

Experimental method: continuous photolysis
Data type: oxygen consumption under steady-state conditions

Singlet oxygen acceptor = H₂NCSNH₂; lambda_exc = 669 nm. Assumed f_r^A = 2.