Ru(bpy)32+

excited state quenched by Co(sep)3+
Creaser, I.I.; Gahan, L.R.; Geue, R.J.; Launikonis, A.; Lay, P.A.; Lydon, J.D.; McCarthy, M.G.; Mau, A.W.-H.; Sargeson, A.M.; Sasse, W.H.F.
Inorg. Chem. 24: 2671-80 (1985)

Ru(bpy)32+ quenched by Co(sep)3+
Solvent : H2O, ACbuf, 20ºC, pH 5, ionic strength 0.1 (NaClO4)

kq = 1.5 x 108(L mol–1 s–1)

Mechanism: energy transfer (75%); oxidative electron transfer (25%)
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 0.64 micro sec.
Electron transfer fraction of quenching = 0.25
This value also reported in 83S090

Creaser, I.I.; Gahan, L.R.; Geue, R.J.; Launikonis, A.; Lay, P.A.; Lydon, J.D.; McCarthy, M.G.; Mau, A.W.-H.; Sargeson, A.M.; Sasse, W.H.F.
Inorg. Chem. 24: 2671-80 (1985)

Ru(bpy)32+ quenched by Co(sep)3+
Solvent : H2O, ACbuf; 0.5 mol/L NaClO4, 20ºC, pH 5

kq = 5.5 x 108(L mol–1 s–1)


Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 0.64 micro sec.
This value also reported in 83S090

Mok, C.-Y.; Zanella, A.W.; Creutz, C.; Sutin, N.
Inorg. Chem. 23: 2891-7 (1984)

Ru(bpy)32+ quenched by Co(sep)3+
Solvent : H2O, 0.2 mol/L LiCl, 25ºC

kq = 2.9 x 108(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. (766404)
Electron transfer fraction of quenching = 0.51

Mok, C.-Y.; Zanella, A.W.; Creutz, C.; Sutin, N.
Inorg. Chem. 23: 2891-7 (1984)

Ru(bpy)32+ quenched by Co(sep)3+
Solvent : H2O, 0.2 mol/L TEOA, 25ºC, pH 8.1, ionic strength 0.2 (LiCl)

kq = 3.4 x 108(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. (766404)

Mok, C.-Y.; Zanella, A.W.; Creutz, C.; Sutin, N.
Inorg. Chem. 23: 2891-7 (1984)

Ru(bpy)32+ quenched by Co(sep)3+
Solvent : H2O, 0.5 mol/L H2SO4, 25ºC

kq = 2.8 x 108(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. (766404)

Houlding, V.; Geiger, T.; Koelle, U.; Graetzel, M.
J. Chem. Soc., Chem. Commun. : 681-3 (1982)

Ru(bpy)32+ quenched by Co(sep)3+
Solvent : H2O, ionic strength 0.1 (NaCl)

kq = 2.6 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Electron transfer fraction of quenching = 0.9

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

Ru(bpy)32+ quenched by Co(sep)3+
Solvent : H2O, 1 mol/L H2SO4

kq = 3.6 x 108(L mol–1 s–1)

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

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