Ru(bpy)32+

excited state quenched by Co(en)33+
Sandrini, D.; Gandolfi, M.T.; Maestri, M.; Bolletta, F.; Balzani, V.
Inorg. Chem. 23: 3017-23 (1984)

Ru(bpy)32+ quenched by Co(en)33+
Solvent : H2O, 0.1 mol/L H2SO4, ~22ºC

kq = 2.0 x 107(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air saturated = 0.40 micro sec. (laser flash, luminescence, multiple shot with signal averaging)

Zahir, K.; Boettcher, W.; Haim, A.
Inorg. Chem. 24: 1966-8 (1985)

Ru(bpy)32+ quenched by Co(en)33+ at conc. (3-90) x 10–4 mol L–1
Solvent : H2O, 0.1 mol/L H2SO4, 25ºC

kq = 4.9 x 107(L mol–1 s–1)

Mechanism: energy transfer, oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.60 micro sec. (84A238)

Zahir, K.; Boettcher, W.; Haim, A.
Inorg. Chem. 24: 1966-8 (1985)

Ru(bpy)32+ quenched by Co(en)33+ at conc. (3-90) x 10–4 mol L–1
Solvent : H2O, ACbuf, 25ºC, pH 4.7, ionic strength 0.01 (NaCl)

kq = 3.4 x 107(L mol–1 s–1)

Mechanism: energy transfer, oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.60 micro sec. (84A238)

Scandola, M.A.R.; Scandola, F.; Indelli, A.; Balzani, V.
Inorg. Chim. Acta 76: L67-L68 (1983)

Ru(bpy)32+ quenched by Co(en)33+
Solvent : H2O, 1 mol/L H2SO4

kq = 6.2 x 107(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, single shot signal

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