Os(bpy)32+

excited state quenched by Co(phen)33+
Lin, C.-T.; Sutin, N.
J. Phys. Chem. 80: 97-105 (1976)

Os(bpy)32+ quenched by Co(phen)33+ at conc. <= 0.004 mol L–1
Solvent : H2O, 0.5 mol/L NaCl, 25ºC

kq = 5.7 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.019 micro sec. (spark lamp, luminescence, single photon counting)

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