Ru(bpy)32+

excited state quenched by Co(CN)63–
Demas, J.N.; Addington, J.W.
J. Am. Chem. Soc. 98: 5800-6 (1976)

Ru(bpy)32+ quenched by Co(CN)63– at conc. 0.17 mol L–1
Solvent : H2O, ~21ºC, ionic strength 0 (calc'd)

kq = 3.2 x 107(L mol–1 s–1)

Mechanism: energy transfer
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)

Juris, A.; Gandolfi, M.T.; Manfrin, M.F.; Balzani, V.
J. Am. Chem. Soc. 98: 1047-8 (1976)

Ru(bpy)32+ quenched by Co(CN)63– at conc. 0.05 mol L–1
Solvent : H2O, 0.5 mol/L NaCl, 23ºC, pH 4

kq < 1 x 106(L mol–1 s–1)


Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air saturated = 0.40 micro sec. (746112)

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