Ru(bpy)32+

excited state quenched by Ag+
Foreman, T.K.; Giannotti, C.; Whitten, D.G.
J. Am. Chem. Soc. 102: 1170-1 (1980)

Ru(bpy)32+ quenched by Ag+
Solvent : Acetonitrile

kq = 1.1 x 105(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence

Demas, J.N.; Addington, J.W.
J. Am. Chem. Soc. 98: 5800-6 (1976)

Ru(bpy)32+ quenched by Ag+ at conc. 0.005-0.012 mol L–1
Solvent : H2O, ~21ºC, ionic strength 0 (calc'd)

kq = 6.7 x 105(L mol–1 s–1)


Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.60 micro sec. (laser flash, luminescence, multiple shot with signal averaging)

Foreman, T.K.; Giannotti, C.; Whitten, D.G.
J. Am. Chem. Soc. 102: 1170-1 (1980)

Ru(bpy)32+ quenched by Ag+
Solvent : H2O

kq = 3.5 x 106(L mol–1 s–1)
Activation energy = ~2.5 (23-50ºC)(kJ mol–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence

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