Anthra[1,9-bc:4,10-\4b'c'\0]dichromene Singlet oxygen

Opriel, U.; Seikel, K.; Schmidt, R.; Brauer, H.-D.
J. Photochem. Photobiol., A 49, 299-309 (1989)

Reaction: Anthra[1,9-bc:4,10-\4b'c'\0]dichromene + ¹O₂^* ® products and/or physical quenching
Solvent: CS₂

k = 3.4 × 10⁸(L mol^-1 s^-1), T = 295K

Experimental method: Modulated photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 436 nm

Photosensitizer = 5,10,15,20-Tetraphenylporphine. Added solute (1.5-15)e-8.

Brauer, H.-D.; Acs, A.; Drews, W.; Gabriel, R.; Ghaeni, S.; Schmidt, R.
J. Photochem. 25, 475-488 (1984)

Reaction: Anthra[1,9-bc:4,10-\4b'c'\0]dichromene + ¹O₂^* ® products and/or physical quenching
Solvent: C₆H₅CH₃

k = 5 × 10⁸(L mol^-1 s^-1), b = 10 × 10^-5(mol L^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements

Self-sensitized; used solvent k_d = 5 × 10⁴ s^-1. See also [82SCH/DRE2].