Ru(bpy)32+

excited state quenched by Ascorbate ion
Krishnan, C.V.; Creutz, C.; Mahajan, D.; Schwarz, H.A.; Sutin, N.
Isr. J. Chem. 22: 98-106 (1982)

Ru(bpy)32+ quenched by Ascorbate ion
Solvent : H2O, 25ºC, pH 5, ionic strength 0.7 (Na2SO4)

kq = 3.0 x 107(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.60 micro sec. (766404)

Creutz, C.; Sutin, N.; Brunschwig, B.S.
J. Am. Chem. Soc. 101: 1297-8 (1979)

Ru(bpy)32+ quenched by Ascorbate ion at conc. 0.01-0.1 mol L–1
Solvent : H2O

kq = 2 x 107(L mol–1 s–1)

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

back...