Ru(bpy)32+

excited state quenched by 1-Benzyl-1,4-dihydronicotinamide
Pac, C.; Ihama, M.; Yasuda, M.; Miyauchi, Y.; Sakurai, H.
J. Am. Chem. Soc. 103: 6495-7 (1981)

Ru(bpy)32+ quenched by 1-Benzyl-1,4-dihydronicotinamide
Solvent : Acetonitrile

kq = 3.5 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: emission quenching (method not specified)
Lifetime in the absence of quencher, air free = 0.84 micro sec.
Comments: kq = 2.9 x 108 L mol–1 s–1 with steady state irradiation/luminescence and tau0 = 1.0 mus from same lab in 84F069

Hironaka, K.; Fukuzumi, S.; Tanaka, T.
J. Chem. Soc., Perkin Trans. 2 : 1705-9 (1984)

Ru(bpy)32+ quenched by 1-Benzyl-1,4-dihydronicotinamide
Solvent : Acetonitrile, 0.1 mol/L TBAP

kq = 4.1 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.85 micro sec. (79C010)
Comments: kq = 4.9 x 108 with steady state irradiation/quantum yield of a photoproduct, see Mech. [7]

Pac, C.; Miyauchi, Y.; Ishitani, O.; Ihama, M.; Yasuda, M.; Sakurai, H.
J. Org. Chem. 49: 26-34 (1984)

Ru(bpy)32+ quenched by 1-Benzyl-1,4-dihydronicotinamide
Solvent : DMF

kq = 2.0 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.93 micro sec. (laser flash, luminescence, single shot signal)

Ishitani, O.; Ihama, M.; Miyauchi, Y.; Pac, C.
J. Chem. Soc., Perkin Trans. 1 : 1527-31 (1985)

Ru(bpy)32+ quenched by 1-Benzyl-1,4-dihydronicotinamide
Solvent : MeOH, 0.025 mol/L Mg(ClO4)2, 20ºC

kq = 1.4 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.730 micro sec.
Comments: Q partially bound to Mg2+; kq = 1.5 x 108 for unbound Q; kq = 9 x 107 for bound Q

Pac, C.; Miyauchi, Y.; Ishitani, O.; Ihama, M.; Yasuda, M.; Sakurai, H.
J. Org. Chem. 49: 26-34 (1984)

Ru(bpy)32+ quenched by 1-Benzyl-1,4-dihydronicotinamide
Solvent : MeOH

kq = 1.5 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.83 micro sec. (laser flash, luminescence, single shot signal)

Ishitani, O.; Ihama, M.; Miyauchi, Y.; Pac, C.
J. Chem. Soc., Perkin Trans. 1 : 1527-31 (1985)

Ru(bpy)32+ quenched by 1-Benzyl-1,4-dihydronicotinamide
Solvent : Pyridine/MeOH (10/1), 0.1 mol/L Mg(ClO4)2, 20ºC

kq = 1.1 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.85 micro sec.
Comments: Q partially bound to Mg2+; kq = 3.7 x 108 for unbound Q; kq = ~5 x 106 for bound Q

Pac, C.; Miyauchi, Y.; Ishitani, O.; Ihama, M.; Yasuda, M.; Sakurai, H.
J. Org. Chem. 49: 26-34 (1984)

Ru(bpy)32+ quenched by 1-Benzyl-1,4-dihydronicotinamide
Solvent : Pyridine/MeOH (10/1)

kq = 3.5 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 1.03 micro sec. (laser flash, luminescence, single shot signal)

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