Bromide ion Singlet oxygen

Rosenthal, I.; Frimer, A.
Photochem. Photobiol. 23, 209-211 (1976)

Reaction: Br^- + ¹O₂^* ® products and/or physical quenching
Solvent: C₆H₅Br, 67%, CH₃COCH₃, 33%

k £ 10⁶(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Limiting value

Photosensitizer = Indicator = Rubrene; No measurable effect; LiBr or tetrabutylammonium bromide.

Rosenthal, I.; Frimer, A.
Photochem. Photobiol. 23, 209-211 (1976)

Reaction: Br^- + ¹O₂^* ® products and/or physical quenching
Solvent: C₆H₅Br, 67%, CH₃COCH₃, 33%

k ~ 1 × 10⁶(L mol^-1 s^-1)

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

Photosensitizer = Indicator = Rubrene; used solvent k_d = 3.2 × 10⁴ s^-1; k for indicator = 4 × 10⁷ L/(mol·s); dicyclohexano-18-crown-6-polyether, potassium bromide.

Rosenthal, I.; Frimer, A.
Photochem. Photobiol. 23, 209-211 (1976)

Reaction: Br^- + ¹O₂^* ® products and/or physical quenching
Solvent: C₆H₅Br, 67%, MeOH, 33%

k £ 10⁶(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Limiting value

Photosensitizer = Indicator = Rubrene; No measurable effect; LiBr or tetrabutylammonium bromide.