Ru(bpy)32+

excited state quenched by Cr(acac)3
Demas, J.N.; Addington, J.W.
J. Am. Chem. Soc. 98: 5800-6 (1976)

Ru(bpy)32+ quenched by Cr(acac)3 at conc. 0.001-0.004 mol L–1
Solvent : MeOH, ~21ºC

kq = 3.0 x 108(L mol–1 s–1)

Mechanism: energy transfer
Experimental methods: steady state irradiation, luminescence
Lifetime in the absence of quencher, air free = 0.77 micro sec. (laser flash, luminescence, multiple shot with signal averaging)

back...