Ru(bpy)32+

excited state quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+
Chandrasekaran, K.; Natarajan, P.
Inorg. Chem. 19: 1714-9 (1980)

Ru(bpy)32+ quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+
Solvent : H2O, 0.02 mol/L HClO4, 25ºC, ionic strength 0.02

kq = 1.3 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 = 0.5 micro sec.

Chandrasekaran, K.; Natarajan, P.
Inorg. Chem. 19: 1714-9 (1980)

Ru(bpy)32+ quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+
Solvent : H2O, 0.02 mol/L HClO4, 25ºC, ionic strength 0.42 (NaClO4)

kq = 4.5 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.5 micro sec.

Ueno, F.B.; Sasaki, Y.; Ito, T.; Saito, K.
J. Chem. Soc., Chem. Commun. : 328-9 (1982)

Ru(bpy)32+ quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+
Solvent : H2O, 0.05 mol/L H2SO4, 25ºC, ionic strength 0.25 (NaCl)

kq = 1.9 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, single shot signal

Chandrasekaran, K.; Natarajan, P.
Inorg. Chem. 19: 1714-9 (1980)

Ru(bpy)32+ quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+
Solvent : H2O, 0.1 mol/L HCl, 25ºC, ionic strength 0.1

kq = 7.4 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 = 0.5 micro sec.

Chandrasekaran, K.; Natarajan, P.
Inorg. Chem. 19: 1714-9 (1980)

Ru(bpy)32+ quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+
Solvent : H2O, 0.1 mol/L HClO4, 25ºC, ionic strength 0.1

kq = 2.2 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 = 0.5 micro sec.

Chandrasekaran, K.; Natarajan, P.
Inorg. Chem. 19: 1714-9 (1980)

Ru(bpy)32+ quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+
Solvent : H2O, 0.5 mol/L H2SO4, 25ºC

kq = 4.6 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 = 0.5 micro sec.

Chandrasekaran, K.; Natarajan, P.
Inorg. Chem. 19: 1714-9 (1980)

Ru(bpy)32+ quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+
Solvent : H2O, 1 mol/L HCl, 25ºC, ionic strength 1.0

kq = 1.9 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 = 0.5 micro sec.

Chandrasekaran, K.; Natarajan, P.
Inorg. Chem. 19: 1714-9 (1980)

Ru(bpy)32+ quenched by CoIII(NH3)5(mu-O2)CoIII(NH3)55+ at conc. <= 3 x 10–4 mol L–1
Solvent : H2O, 1 mol/L HClO4, 25ºC, ionic strength 1.0

kq = 4.3 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 = 0.5 micro sec.

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