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

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

k_q = 3.5 x 10⁹(L mol^–1 s^–1)

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