Singlet oxygen quantum yields QY2_

Bacteriochlorophyll a

Egorov, S.Yu.; Krasnovsky, A.A.,Jr.; Vychegzhanina, I.V.; Drozdova, N.N.; Krasnovskii, A.A.
Doklady Biophys. 310(2): 6-10 (1990)

Sensitizer: Bacteriochlorophyll a
Solvent: (C₂H₅)₂O
Oxygen concentration: air^a

Quantum yield of formation = 0.43

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

Reference sensitizer = TPP; rel. to phi_Delta(ref. sens.) = 0.70; lambda_exc = 337 nm.

Egorov, S.Yu.; Krasnovsky, A.A.,Jr.; Vychegzhanina, I.V.; Drozdova, N.N.; Krasnovskii, A.A.
Doklady Biophys. 310(2): 6-10 (1990)

Sensitizer: Bacteriochlorophyll a
Solvent: C₅H₅N
Oxygen concentration: air^a

Quantum yield of formation = 0.4

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

Reference sensitizer = TPP; rel. to phi_Delta(ref. sens.) = 0.70; lambda_exc = 337 nm.

Borland, C.F.; McGarvey, D.J.; Truscott, T.G.; Codgell, R.J.; Land, E.J.
J. Photochem. Photobiol., B, Biol. 1(1): 93-101 (1987)

Sensitizer: Bacteriochlorophyll a
Solvent: C₆D₆
Oxygen concentration: air^a

Quantum yield of formation = 0.34

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

Reference sensitizer = Ac; rel. to phi_Delta(ref. sens.) = 0.73; meas. phi_T(S) = 0.7; lambda_exc = 347 nm. f_Delta^T = 0.5 assuming PSO2 = 0; used Proportion of T₁ quenched by O₂ = 1.

Borland, C.F.; McGarvey, D.J.; Truscott, T.G.; Codgell, R.J.; Land, E.J.
J. Photochem. Photobiol., B, Biol. 1(1): 93-101 (1987)

Sensitizer: Bacteriochlorophyll a
Solvent: C₆H₆
Oxygen concentration: air^a

Quantum yield of formation = 0.40*; 0.35

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

Reference sensitizer = Ac; rel. to phi_Delta(ref. sens.) = 0.73; meas. phi_T(S) = 0.32; lambda_exc = 347 nm. f_Delta^T = 1 assuming PSO2 = 0; used Proportion of T₁ quenched by O₂ = 1.

Krasnovsky, A.A.,Jr.; Vychegzhanina, I.V.; Drozdova, N.N.; Krasnovsky, A.A.
Dokl. Biophys. 283(2): 161-3 (1985)

Sensitizer: Bacteriochlorophyll a
Solvent: CCl₄
Oxygen concentration: O₂

Quantum yield of formation = 0.6

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

Reference sensitizer = TPP; rel. to phi_Delta(ref. sens.) = 0.7. Used Proportion of T₁ quenched by O₂ = 1; supersedes [79A010], [77 x 10⁶¹7], [78 x 10⁸⁸1].

Egorov, S.Yu.; Krasnovsky, A.A.,Jr.; Vychegzhanina, I.V.; Drozdova, N.N.; Krasnovskii, A.A.
Doklady Biophys. 310(2): 6-10 (1990)

Sensitizer: Bacteriochlorophyll a
Solvent: D₂O (mic)
Oxygen concentration: air^a

Quantum yield of formation = 0.11

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

Reference sensitizer = H₂TPPS^4–; rel. to phi_Delta(ref. sens.) = 0.70; lambda_exc = 337 nm. Soln. cont. 2% Triton X-100

Egorov, S.Yu.; Krasnovsky, A.A.,Jr.; Vychegzhanina, I.V.; Drozdova, N.N.; Krasnovskii, A.A.
Doklady Biophys. 310(2): 6-10 (1990)

Sensitizer: Bacteriochlorophyll a
Solvent: D₂O/EtOH (95:5)
Oxygen concentration: air^a

Quantum yield of formation < 0.02

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

Reference sensitizer = H₂TPPS^4–; rel. to phi_Delta(ref. sens.) = 0.70; lambda_exc = 337 nm.

Borland, C.F.; McGarvey, D.J.; Truscott, T.G.; Codgell, R.J.; Land, E.J.
J. Photochem. Photobiol., B, Biol. 1(1): 93-101 (1987)

Sensitizer: Bacteriochlorophyll a
Solvent: MeOD
Oxygen concentration: air^a

Quantum yield of formation = 0.2

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

Reference sensitizer = HP; rel. to phi_Delta(ref. sens.) = 0.53; meas. phi_T(S) = 0.22; lambda_exc = 347 nm. f_Delta^T = ~1 assuming PSO2 = 0; used Proportion of T₁ quenched by O₂ = 1.

^a Oxygen concentration not given; assumed to be air saturated.
* Values recalculated using phi_Delta(S') or f_Delta^T(S') from Table 4 or from the quoted reference.
back...