Al(phthalocyanine)Cl excited state quenched by 4,4'-Bis(N,N-dimethylamino)biphenyl

Al(phthalocyanine)Cl quenched by 4,4'-Bis(N,N-dimethylamino)biphenyl at conc. (1-7) x 10^–5 mol L^–1
Solvent : DMSO/H₂O (4/1), ~28ºC

k_q = 1.7 x 10⁸(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, absorption, single shot signal
Electron transfer fraction of quenching = 0.72