Ru(bpy)32+

excited state quenched by 9,10-Anthraquinone-2,6-disulfonate ion
Darwent, J.R.; Kalyanasundaram, K.
J. Chem. Soc., Faraday Trans. 2 77: 373-82 (1981)

Ru(bpy)32+ quenched by 9,10-Anthraquinone-2,6-disulfonate ion at conc. (2-20) x 10–4 mol L–1
Solvent : H2O, 0.005 mol/L Pbuf, pH 6.9, ionic strength 0.04

kq = 6.0 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, , luminescence, single shot signal
Lifetime in the absence of quencher, air free = 0.63 micro sec.
Electron transfer fraction of quenching < 0.01

Willner, I.; Degani, Y.
Isr. J. Chem. 22: 163-7 (1982)

Ru(bpy)32+ quenched by 9,10-Anthraquinone-2,6-disulfonate ion
Solvent : H2O, pH 9.8

kq = 1.6 x 1010(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air saturated = 0.4 micro sec. (78A002)

Willner, I.; Degani, Y.
Isr. J. Chem. 22: 163-7 (1982)

Ru(bpy)32+ quenched by 9,10-Anthraquinone-2,6-disulfonate ion
Solvent : H2O, 0.2% w/w colloidal silica, pH 9.8

kq = 1.2 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air saturated = 0.4 micro sec. (78A002)
Comments: S adsorbed

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