Os(bpy)[1,2-bis(dimethylarsino)benzene]22+

excited state quenched by Tris(4-bromophenyl)amine
Neyhart, G.A.; Marshall, J.L.; Dressick, W.J.; Sullivan, B.P.; Watkins, P.A.; Meyer, T.J.
J. Chem. Soc., Chem. Commun. : 915-7 (1982)

Os(bpy)[1,2-bis(dimethylarsino)benzene]22+ quenched by Tris(4-bromophenyl)amine
Solvent : Acetonitrile, 23ºC

kq = 1.0 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 = 1.58 micro sec.

Kober, E.M.; Marshall, J.L.; Dressick, W.J.; Sullivan, B.P.; Caspar, J.V.; Meyer, T.J.
Inorg. Chem. 24: 2755-63 (1985)

Os(bpy)[1,2-bis(dimethylarsino)benzene]22+ quenched by Tris(4-bromophenyl)amine
Solvent : Acetonitrile, 0.1 mol/L LiClO4, ~23ºC

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 = 1.640 micro sec. (laser flash, luminescence, multiple shot with signal averaging)

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