Zn(etioporphyrin I) [triplet] excited state quenched by cis-4,4'-Dinitrostilbene

Zn(etioporphyrin I) [triplet] quenched by cis-4,4'-Dinitrostilbene at conc. (1-50) x 10^–5 mol L^–1
Solvent : Benzene, 25ºC

k_q = 3.1 x 10⁹(L mol^–1 s^–1)

Mechanism: exciplex formation
Experimental methods: conventional flash, absorption, single shot signal
Comments: tau increases at higher [Q]
This value also reported in 707320