Ru(bpy)32+

excited state quenched by 4,4'-Bis(N,N-dimethylamino)biphenyl
Ballardini, R.; Varani, G.; Indelli, M.T.; Scandola, F.; Balzani, V.
J. Am. Chem. Soc. 100: 7219-23 (1978)

Ru(bpy)32+ quenched by 4,4'-Bis(N,N-dimethylamino)biphenyl
Solvent : Acetonitrile, 0.1 mol/L TEAP, ~22ºC

kq = 7.4 x 109(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air saturated = 0.15 micro sec. (spark lamp, luminescence, single photon counting)

Bock, C.R.; Connor, J.A.; Gutierrez, A.R.; Meyer, T.J.; Whitten, D.G.; Sullivan, B.P.; Nagle, J.K.
J. Am. Chem. Soc. 101: 4815-24 (1979)

Ru(bpy)32+ quenched by 4,4'-Bis(N,N-dimethylamino)biphenyl
Solvent : Acetonitrile, 0.1 mol/L TEAP, ~22ºC

kq = 4.3 x 109(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.85 micro sec. (767009)

Maestri, M.; Graetzel, M.
Ber. Bunsenges. Phys. Chem. 81: 504-7 (1977)

Ru(bpy)32+ quenched by 4,4'-Bis(N,N-dimethylamino)biphenyl
Solvent : MeOH

kq = 7.4 x 109(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 0.75 micro sec.

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