2'-Acetonaphthone (2-ACN)

Wilkinson, F.; Helman, W.P.; Ross, A.B.
J. Phys. Chem. Ref. Data 22(1): 113-262 (1993)

Sensitizer: 2'-Acetonaphthone (2-ACN)
Solvent: C6H6
Oxygen concentration: air or O2

Quantum yield of formation = 0.71
Fraction of T1 yielding singlet oxygen = 0.81

See Table 4.

Oliveros, E.; Suardi-Murasecco, P.; Aminian-Saghafi, T.; Braun, A.M.; Hansen, H.-J.
Helv. Chim. Acta. 74(1): 79-90 (1991)

Sensitizer: 2'-Acetonaphthone (2-ACN)
Solvent: C6H6
Oxygen concentration: aira

Quantum yield of formation = 0.73T
Fraction of T1 yielding singlet oxygen = 0.87

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

Reference sensitizer = 9-Fluorenone; rel. to phiDelta(ref. sens.) = 0.83; used phiT(S) = 0.84. Proportion of T1 quenched by O2 = 1; measured ratio of Ia at lambdaexc(S) = 336 and lambdaexc(ref. sens.) = 367 nm.

Gorman, A.A.; Hamblett, I.; Rodgers, M.A.J.
J. Am. Chem. Soc. 106(17): 4679-82 (1984)

Sensitizer: 2'-Acetonaphthone (2-ACN)
Solvent: C6H6
Oxygen concentration: air

Quantum yield of formation = 0.59T
Fraction of T1 yielding singlet oxygen = 0.70

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

Reference sensitizer = Ac; rel. to fDeltaT(ref. sens.) = 1.0; lambdaexc = 355 nm; used phiT(S) = 0.84e. epsilonT(S) = 10,500 L mol-1 cm-1 at 430 nm, epsilonT(ref. sens.) = 24,300 L mol-1 cm-1 at 440 nm, Proportion of T1 quenched by O2 (S and S') = 1.

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

Sensitizer: 2'-Acetonaphthone (2-ACN)
Solvent: C6H6
Oxygen concentration: O2

Quantum yield of formation = 0.73T
Fraction of T1 yielding singlet oxygen = 0.87

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

lambdaexc = 355 nm; used phiT(S) = 0.84. Measured phiDelta = 0.73, Proportion of T1 quenched by O2 = 1 and phiF.

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

Sensitizer: 2'-Acetonaphthone (2-ACN)
Solvent: C6H6
Oxygen concentration: O2

Quantum yield of formation = 0.71T
Fraction of T1 yielding singlet oxygen = 0.85

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

Reference sensitizer = Pz; rel. to phiDelta(ref. sens.) = 0.83; used phiT(S) = 0.84. Measured Proportion of T1 quenched by O2 = 1.

Gorman, A.A.; Lovering, G.; Rodgers, M.A.J.
J. Am. Chem. Soc. 100(14): 4527-32 (1978)

Sensitizer: 2'-Acetonaphthone (2-ACN)
Solvent: C6H6
Oxygen concentration: O2

Quantum yield of formation = 0.4T
Fraction of T1 yielding singlet oxygen = 0.5

Experimental method: pulsed radiolysis
Data type: time resolved substrate disappearance; sensitizer triplet absorbance at end-of-pulse

Singlet oxygen acceptor = DPBF; used phiT(S) = 0.84, epsilonT(S) = 10,500 L mol-1 cm-1 at 430 nm. Measured G(3S*).

Oliveros, E.; Suardi-Murasecco, P.; Aminian-Saghafi, T.; Braun, A.M.; Hansen, H.-J.
Helv. Chim. Acta. 74(1): 79-90 (1991)

Sensitizer: 2'-Acetonaphthone (2-ACN)
Solvent: CD3OD
Oxygen concentration: aira

Quantum yield of formation = 0.79T

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

Reference sensitizer = RB; rel. to phiDelta(ref. sens.) = 0.76. Proportion of T1 quenched by O2 = 1; meas. ratio of Ia at lambdaexc(S) = 336 and lambdaexc(ref. sens.) = 547 nm.

Byers, G.W.; Gross, S.; Henrichs, P.M.
Photochem. Photobiol. 23(1): 37-43 (1976)

Sensitizer: 2'-Acetonaphthone (2-ACN)
Solvent: MeOH
Oxygen concentration: O2

Quantum yield of formation = 0.75T

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

Singlet oxygen acceptor = 2,5-DMF; lambdaexc = 313 nm. Proportion of T1 quenched by O2 = 1.

a Oxygen concentration not given; assumed to be air saturated.
e Value of phiT(S) measured or quoted by the authors, used in this work to calculate phiDelta.
T Value corrected for 100% quenching of T1.
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