Cr(bpy)33+

excited state quenched by Cr(bpy)33+
Jamieson, M.A.; Serpone, N.; Hoffman, M.Z.; Bolletta, F.
Inorg. Chim. Acta 72: 247-52 (1983)

Cr(bpy)33+ quenched by Cr(bpy)33+
Solvent : H2O, 1 mol/L NaCl, BRbuf, 14.9ºC, pH 10

kq = 1.6 x 106(L mol–1 s–1)

Mechanism: collisional deactivation
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 110 micro sec.
Comments: [Q] = [S] = (1-100) x 10–5 mol/L; tau0 extrap'd to [S] = 0

Serpone, N.; Jamieson, M.A.; Sriram, R.; Hoffman, M.Z.
Inorg. Chem. 20: 3983-8 (1981)

Cr(bpy)33+ quenched by Cr(bpy)33+
Solvent : H2O, 5 mol/L HCl, 22ºC

kq = 1.3 x 106(L mol–1 s–1)

Mechanism: collisional deactivation
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 100 micro sec.
Comments: [Q] = [S] <= 0.012 mol/L; tau0 extrap'd to [S] = 0
This value also reported in 80E076

back...