'Quenching of Excited States of Metal Complexes

Zn(etioporphyrin I) [triplet]

excited state quenched by cis-4-Nitrostilbene

Lopp, I.G.; Hendren, R.W.; Wildes, P.D.; Whitten, D.G.
J. Am. Chem. Soc. 92: 6440-7 (1970)

Zn(etioporphyrin I) [triplet] quenched by cis-4-Nitrostilbene
Solvent : Benzene

k_q = 1.7 x 10⁹(L mol^–1 s^–1)

Mechanism: exciplex formation
Experimental methods: conventional flash, absorption, single shot signal