Ru(bpy)32+

excited state quenched by Co(NH3)5(vio)3+
Leopold, K.R.; Haim, A.
Inorg. Chem. 17: 1753-7 (1978)

Ru(bpy)32+ quenched by Co(NH3)5(vio)3+ at conc. (2-10) x 10–4 mol L–1
Solvent : H2O, 0.094 mol/L HClO4, 25ºC, ionic strength 0.1

kq = 1.2 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 = 0.60 micro sec. (766404)

Leopold, K.R.; Haim, A.
Inorg. Chem. 17: 1753-7 (1978)

Ru(bpy)32+ quenched by Co(NH3)5(vio)3+ at conc. (5.5-16) x 10–4 mol L–1
Solvent : H2O, 0.5 mol/L H2SO4, 25ºC

kq = 7.3 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.60 micro sec. (766404)
Electron transfer fraction of quenching = 0.9

Leopold, K.R.; Haim, A.
Inorg. Chem. 17: 1753-7 (1978)

Ru(bpy)32+ quenched by Co(NH3)5(vio)3+ at conc. (2.1-16) x 10–4 mol L–1
Solvent : H2O, 0.01 mol/L Pbuf, 25ºC, pH 5.6, ionic strength 1.0 (LiClO4)

kq = 5.7 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.60 micro sec. (766404)
Electron transfer fraction of quenching = 1

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