Pt2[mu-diphosphito(2-)-P,P']44– excited state quenched by N-Methylphenothiazine

Pt₂[mu-diphosphito(2-)-P,P']₄^4– quenched by N-Methylphenothiazine at conc. (5-50) x 10^–5 mol L^–1
Solvent : MeOH

k_q = 8.0 x 10⁷(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, multiple shot with signal averaging
Lifetime in the absence of quencher, air free = 9.4 micro sec.