Ru(bpy)32+

excited state quenched by N,N'-Bis(3-sulfonato-1-propyl)-(bpy2+) zwitterion
Bourdelande, J.L.; Camps, J.; Font, J.; de March, P.; Brillas, E.
J. Photochem. 30: 437-44 (1985)

Ru(bpy)32+ quenched by N,N'-Bis(3-sulfonato-1-propyl)-(bpy2+) zwitterion
Solvent : H2O, 25ºC, ionic strength 0.1 (TBAC)

kq = 6.1 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 = 0.58 micro sec. (82E392)

Ohsako, T.; Sakamoto, T.; Matsuo, T.
J. Phys. Chem. 89: 222-5 (1985)

Ru(bpy)32+ quenched by N,N'-Bis(3-sulfonato-1-propyl)-(bpy2+) zwitterion at conc. 0.002 mol L–1
Solvent : H2O, 0.002 mol/L NaCl

kq = ~4 x 108 (estd)(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence

Furlong, D.N.; Johansen, O.; Launikonis, A.; Loder, J.W.; Mau, A.W.-H.; Sasse, W.H.F.
Aust. J. Chem. 38: 363-7 (1985)

Ru(bpy)32+ quenched by N,N'-Bis(3-sulfonato-1-propyl)-(bpy2+) zwitterion
Solvent : H2O, pH 9.2

kq = 3.2 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer

Furlong, D.N.; Johansen, O.; Launikonis, A.; Loder, J.W.; Mau, A.W.-H.; Sasse, W.H.F.
Aust. J. Chem. 38: 363-7 (1985)

Ru(bpy)32+ quenched by N,N'-Bis(3-sulfonato-1-propyl)-(bpy2+) zwitterion
Solvent : H2O, 0.2% w/w colloidal silica, pH 9.2

kq = 4.0 x 108(L mol–1 s–1)

Mechanism: oxidative electron transfer
Comments: S adsorbed

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