UO22+ excited state quenched by Ru(bpy)32+

UO₂²⁺ quenched by Ru(bpy)₃²⁺
Solvent : H₂O, pH 2 (HNO₃)

k_q = 3.7 x 10⁹(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 3.2 micro sec.

UO₂²⁺ quenched by Ru(bpy)₃²⁺
Solvent : H₂O, 2 mol/L H₃PO₄

k_q = 2.2 x 10⁹(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 30 micro sec.