Zn(etioporphyrin I) [singlet]

excited state quenched by 1,4-Benzoquinone
Whitten, D.G.; Lopp, I.G.; Wildes, P.D.
J. Am. Chem. Soc. 90: 7196-200 (1968)

Zn(etioporphyrin I) [singlet] quenched by 1,4-Benzoquinone
Solvent : Benzene

kq = 1.3 x 1010 (calc)(L mol–1 s–1)

Mechanism: exciplex formation
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.0043 micro sec. ()

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