'Quenching of Excited States of Metal Complexes

Cu(2,9-Ph₂phen)₂⁺

excited state quenched by 4,4'-Dinitrobiphenyl

Gamache, R.E.,Jr.; Rader, R.A.; McMillin, D.R.
J. Am. Chem. Soc. 107: 1141-6 (1985)

Cu(2,9-Ph₂phen)₂⁺ quenched by 4,4'-Dinitrobiphenyl
Solvent : CH₂Cl₂, 20ºC

k_q = 2.9 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, multiple shot with signal averaging