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

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

k_q = 7 x 10⁸(L mol^–1 s^–1)

Mechanism: reductive electron transfer?
Experimental methods: steady state irradiation, luminescence
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 N,N-Diethylaniline
Solvent : Toluene

k_q = 6 x 10⁸(L mol^–1 s^–1)

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