Ru(bpy)32+

excited state quenched by 1,4-Bis(N,N-dimethylamino)benzene
Anderson, C.P.; Salmon, D.J.; Meyer, T.J.; Young, R.C.
J. Am. Chem. Soc. 99: 1980-2 (1977)

Ru(bpy)32+ quenched by 1,4-Bis(N,N-dimethylamino)benzene
Solvent : Acetonitrile, ~22ºC

kq = 1.2 x 1010(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. (77A240)

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 1,4-Bis(N,N-dimethylamino)benzene
Solvent : Acetonitrile, 0.1 mol/L TEAP, ~22ºC

kq = 1.2 x 1010(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)

Sandrini, D.; Maestri, M.; Belser, P.; von Zelewsky, A.; Balzani, V.
J. Phys. Chem. 89: 3675-9 (1985)

Ru(bpy)32+ quenched by 1,4-Bis(N,N-dimethylamino)benzene
Solvent : Acetonitrile, ionic strength 2 x 10–4

kq = 1.3 x 1010(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, , luminescence
Lifetime in the absence of quencher, air saturated = 0.160 micro sec.

Moradpour, A.; Amouyal, E.; Keller, P.; Kagan, H.
Nouv. J. Chim. 2: 547-9 (1978)

Ru(bpy)32+ quenched by 1,4-Bis(N,N-dimethylamino)benzene
Solvent : H2O, pH 8(?)

kq = 1 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 = 0.6 micro sec. (777296)

Baggott, J.E.
J. Phys. Chem. 87: 5223-7 (1983)

Ru(bpy)32+ quenched by 1,4-Bis(N,N-dimethylamino)benzene
Solvent : MeOH, 25ºC

kq = 6.9 x 109(L mol–1 s–1)
Free energy of activation = 17(kJ mol–1)

Mechanism: reductive electron transfer
Experimental methods: spark lamp, luminescence, single photon counting
Lifetime in the absence of quencher, air free = 0.67 micro sec.

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