Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [singlet] excited state quenched by 1,4-Benzoquinone

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [singlet] quenched by 1,4-Benzoquinone
Solvent : Acetonitrile

k_q = 1.8 x 10¹⁰(L mol^–1 s^–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, , luminescence, phase modulation
Lifetime in the absence of quencher, air saturated = 0.0021 micro sec. (modulated light source, luminescence, phase modulation)

Zn(2,3,7,8,12,13,17,18-octaethylporphyrin) [singlet] quenched by 1,4-Benzoquinone
Solvent : Toluene

k_q = 2.2 x 10¹⁰(L mol^–1 s^–1)

Experimental methods: steady state irradiation, , luminescence, phase modulation
Lifetime in the absence of quencher, air saturated = 0.0019 micro sec. (modulated light source, luminescence, phase modulation)