Mg(phthalocyanine) [triplet] excited state quenched by Co(terpy)23+

Mg(phthalocyanine) [triplet] quenched by Co(terpy)₂³⁺ at conc. < 2 x 10^–4 mol L^–1
Solvent : DMA/H₂O (2.3/1), ~15ºC

k_q = 3.8 x 10⁸(L mol^–1 s^–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, multiple shot with signal averaging
Electron transfer fraction of quenching = 0.57