'Quenching of Excited States of Metal Complexes

Al(phthalocyanine)Cl

excited state quenched by Co(phen)₃²⁺

Ohno, T.; Kato, S.
J. Phys. Chem. 88: 1670-4 (1984)

Al(phthalocyanine)Cl quenched by Co(phen)₃²⁺ at conc. < 0.001 mol L^–1
Solvent : DMA/H₂O (2.3/1), ~15ºC

k_q = 5.3 x 10⁷(L mol^–1 s^–1)

Mechanism: energy transfer?
Experimental methods: laser flash, absorption, multiple shot with signal averaging