Pd(2,3,7,8,12,13,17,18-octaethylporphyrin)

excited state quenched by trans-Stilbene
Mercer-Smith, J.A.; Whitten, D.G.
J. Am. Chem. Soc. 100: 2620-5 (1978)

Pd(2,3,7,8,12,13,17,18-octaethylporphyrin) quenched by trans-Stilbene
Solvent : Benzene

kq = 1.5 x 106(L mol–1 s–1)

Mechanism: exciplex formation
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 500 micro sec. (conventional flash, luminescence, single shot signal)
Comments: kq = 5.3 x 105 with conventional flash/luminescence/single shot signal

Mercer-Smith, J.A.; Whitten, D.G.
J. Am. Chem. Soc. 100: 2620-5 (1978)

Pd(2,3,7,8,12,13,17,18-octaethylporphyrin) quenched by trans-Stilbene
Solvent : Pentane

kq = 3.3 x 106(L mol–1 s–1)

Mechanism: exciplex formation
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 555 micro sec. (conventional flash, luminescence, single shot signal)

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