'Quenching of Excited States of Metal Complexes

UO₂²⁺

excited state quenched by Hg²⁺

Moriyasu, M.; Yokoyama, Y.; Ikeda, S.
J. Inorg. Nucl. Chem. 39: 2205-9 (1977)

UO₂²⁺ quenched by Hg²⁺
Solvent : H₂O, 1 mol/L H₃PO₄, 25ºC

k_q = 1.8 x 10⁶(L mol^–1 s^–1)

Experimental methods: conventional flash, luminescence, , luminescence
Lifetime in the absence of quencher, air saturated = 180 micro sec.

Moriyasu, M.; Yokoyama, Y.; Ikeda, S.
J. Inorg. Nucl. Chem. 39: 2205-9 (1977)

UO₂²⁺ quenched by Hg²⁺
Solvent : H₂O, 1 mol/L HClO₄, 25ºC

k_q = 8.2 x 10⁶(L mol^–1 s^–1)

Experimental methods: conventional flash, luminescence, , luminescence
Lifetime in the absence of quencher, air saturated = 6.8 micro sec.