Ru(bpy)32+

excited state quenched by 4-Aminophenol
Miedlar, K.; Das, P.K.
J. Am. Chem. Soc. 104: 7462-9 (1982)

Ru(bpy)32+ quenched by 4-Aminophenol
Solvent : H2O, 23ºC, pH 7, ionic strength 0.05

kq = 3.8 x 108(L mol–1 s–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, multiple shot with signal averaging
Lifetime in the absence of quencher, air free = 0.60 micro sec.
Electron transfer fraction of quenching = 0.68

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