Ru(bpy)32+

excited state quenched by N,N'-Bis(3-sulfonato-1-propyl)-(vio2+) zwitterion
Kalyanasundaram, K.; Neumann-Spallart, M.
Chem. Phys. Lett. 88: 7-12 (1982)

Ru(bpy)32+ quenched by N,N'-Bis(3-sulfonato-1-propyl)-(vio2+) zwitterion
Solvent : H2O

kq = 1.3 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Electron transfer fraction of quenching = 0.14

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)-(vio2+) zwitterion at conc. 5 x 10–4 mol L–1
Solvent : H2O, 0.002 mol/L NaCl

kq = ~2 x 109 (estd)(L mol–1 s–1)

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

Kalyanasundaram, K.; Neumann-Spallart, M.
Chem. Phys. Lett. 88: 7-12 (1982)

Ru(bpy)32+ quenched by N,N'-Bis(3-sulfonato-1-propyl)-(vio2+) zwitterion
Solvent : H2O, 0.5 mol/L H2SO4

kq = 1.9 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Electron transfer fraction of quenching = 0.23

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)-(vio2+) zwitterion
Solvent : H2O, pH 9.2

kq = 1.1 x 109(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)-(vio2+) zwitterion
Solvent : H2O, 0.2% w/w colloidal silica, pH 9.2

kq = 1.3 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Comments: S adsorbed

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

Ru(bpy)32+ quenched by N,N'-Bis(3-sulfonato-1-propyl)-(vio2+) zwitterion
Solvent : H2O, 0.2% w/w colloidal silica, pH 9.8

kq = 1.5 x 109(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

back...