Ru(bpy)32+

excited state quenched by N,N-Dimethylaniline
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 N,N-Dimethylaniline
Solvent : Acetonitrile, ~22ºC

kq = 7.1 x 107(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)
This value also reported in 776441

Ballardini, R.; Varani, G.; Indelli, M.T.; Scandola, F.; Balzani, V.
J. Am. Chem. Soc. 100: 7219-23 (1978)

Ru(bpy)32+ quenched by N,N-Dimethylaniline
Solvent : Acetonitrile, 0.1 mol/L TEAP, ~22ºC

kq = 6.5 x 107(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 N,N-Dimethylaniline
Solvent : Acetonitrile, 0.1 mol/L TEAP, ~22ºC

kq = 7.2 x 107(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)
This value also reported in 77F920

Kitamura, N.; Okano, S.; Tazuke, S.
Chem. Phys. Lett. 90: 13-6 (1982)

Ru(bpy)32+ quenched by N,N-Dimethylaniline at conc. <= 0.014 mol L–1
Solvent : Acetonitrile, 25ºC

kq = 9.9 x 107(L mol–1 s–1)
Free energy of activation = 27(kJ mol–1)
Enthalpy of activation = 8.9(kJ mol–1)
Entropy of activation = –62 (10-40 ºC)(J K–1 mol–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.85 micro sec. (laser flash, luminescence, multiple shot with signal averaging)

Garrera, H.A.; Gsponer, H.E.; Garcia, N.A.; Cosa, J.J.; Previtali, C.M.
J. Photochem. 33: 257-60 (1986)

Ru(bpy)32+ quenched by N,N-Dimethylaniline
Solvent : Acetonitrile, 25ºC

kq = 9.5 x 107(L mol–1 s–1)
Enthalpy of activation = 9.2(kJ mol–1)
Entropy of activation = –61(J K–1 mol–1)


Experimental methods: steady state irradiation, luminescence

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

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

kq = 9.8 x 107(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.

Johansen, O.; Launikonis, A.; Mau, A.W.-H.; Sasse, W.H.F.
Aust. J. Chem. 33: 1643-8 (1980)

Ru(bpy)32+ quenched by N,N-Dimethylaniline
Solvent : EtOH, 22ºC

kq = 1.8 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, , luminescence
Lifetime in the absence of quencher, air free = 0.90 micro sec.

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

Ru(bpy)32+ quenched by N,N-Dimethylaniline
Solvent : MeOH, 25ºC

kq = 1.7 x 108(L mol–1 s–1)
Free energy of activation = 26(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.

Garrera, H.A.; Gsponer, H.E.; Garcia, N.A.; Cosa, J.J.; Previtali, C.M.
J. Photochem. 33: 257-60 (1986)

Ru(bpy)32+ quenched by N,N-Dimethylaniline
Solvent : MeOH, 25ºC

kq = 1.6 x 108(L mol–1 s–1)
Enthalpy of activation = 14(kJ mol–1)
Entropy of activation = –42(J K–1 mol–1)


Experimental methods: steady state irradiation, luminescence

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