Singlet oxygen quantum yields QY1

9,10-Anthraquinone

Redmond, R.W.; Braslavsky, S.E.
Chem. Phys. Lett. 148(6): 523-9 (1988)

Sensitizer: 9,10-Anthraquinone
Solvent: C₆H₆
Oxygen concentration: O₂

Quantum yield of formation = 0.15^T
Fraction of T₁ yielding singlet oxygen = 0.17

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = Pz; rel. to phi_Delta(ref. sens.) = 0.83; used phi_T(S) = 0.90. Measured Proportion of T₁ quenched by O₂ = 0.65.

Redmond, R.W.; Braslavsky, S.E.
Chem. Phys. Lett. 148(6): 523-9 (1988)

Sensitizer: 9,10-Anthraquinone
Solvent: C₆H₆
Oxygen concentration: O₂

Quantum yield of formation = 0.26^T
Fraction of T₁ yielding singlet oxygen = 0.29

Experimental method: pulsed laser photolysis
Data type: heat produced from singlet oxygen

lambda_exc = 355 nm; used phi_T(S) = 0.90. Measured phi_Delta = 0.17, Proportion of T₁ quenched by O₂ = 0.65 and phi_F.

Byteva, I.M.; Gurinovich, G.P.; Golomb, O.L.; Karpov, V.V.
Zh. Prikl. Spektrosk. 44(4): 589-93 (1986)

Sensitizer: 9,10-Anthraquinone
Solvent: CHCl₃
Oxygen concentration: air^a

Quantum yield of formation = 0.01^T

Experimental method: pulsed laser photolysis
Data type: luminescence intensity at end-of-pulse or under steady-state conditions

Reference sensitizer = MPDME; rel. to phi_Delta(ref. sens.) = 0.77^b. Proportion of T₁ quenched by O₂ = 1.

^a Oxygen concentration not given; assumed to be air saturated.
^b Value of phi_Delta(S') used in this work to calculate phi_Delta(S) from authors'reported phi_Delta(S)/phi_Delta(S').
^T Value corrected for 100% quenching of T₁.
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