Ru(bpy)32+

excited state quenched by Co(acac)3
Kirk, A.D.; Porter, G.B.
J. Phys. Chem. 84: 2998-9 (1980)

Ru(bpy)32+ quenched by Co(acac)3 at conc. 0.0013 mol L–1
Solvent : H2O, 16-18ºC

kq = 8.0 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air saturated = 0.38 micro sec.

Kirk, A.D.; Porter, G.B.
J. Phys. Chem. 84: 2998-9 (1980)

Ru(bpy)32+ quenched by Co(acac)3 at conc. 0.0013 mol L–1
Solvent : H2O, 16-18ºC

kq = 1.1 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air saturated = 0.37 micro sec.
Comments: papp = 2.3 x 108 Pa

Meyerstein, D.; Rabani, J.; Matheson, M.S.; Meisel, D.
J. Phys. Chem. 82: 1879-85 (1978)

Ru(bpy)32+ quenched by Co(acac)3 at conc. (5-25) x 10–4 mol L–1
Solvent : H2O, 22ºC

kq = 1.1 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.60 micro sec. (766014)

Meyerstein, D.; Rabani, J.; Matheson, M.S.; Meisel, D.
J. Phys. Chem. 82: 1879-85 (1978)

Ru(bpy)32+ quenched by Co(acac)3 at conc. (5-25) x 10–4 mol L–1
Solvent : H2O, 0.0054 mol/L PVS, 22ºC

kq = 4.9 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.60 micro sec. (766014)

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

Ru(bpy)32+ quenched by Co(acac)3 at conc. 0.001-0.010 mol L–1
Solvent : MeOH, ~21ºC

kq = 5.6 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.77 micro sec. (laser flash, luminescence, multiple shot with signal averaging)

back...