'Quenching of Excited States of Metal Complexes

Mg[tetrakis(N-methylaza)phthalocyanine]⁴⁺ [triplet]

excited state quenched by MV²⁺

Harriman, A.; Porter, G.; Richoux, M.-C.
J. Chem. Soc., Faraday Trans. 2 77: 1175-87 (1981)

Mg[tetrakis(N-methylaza)phthalocyanine]⁴⁺ [triplet] quenched by MV²⁺ at conc. 0.001-0.2 mol L^–1
Solvent : H₂O

k_q < 2 x 10³(L mol^–1 s^–1)

Experimental methods: conventional flash, absorption, single shot signal
Lifetime in the absence of quencher, air free = 280 micro sec.