Migration of Triplet Excitations of Complex Molecules
in Disordered Media and in Systems with a Confined Geometry

S. A. Bagnich

Institute of Molecular and Atomic Physics, Belarussian Academy of Sciences, ul. F. Skoriny 70, Minsk, 220072 Belarus

e-mail: bagnich@imaph.bas-net.by

Received January 24, 2000; in final form, March 27, 2000

Abstract—The paper presents the results of analysis of migration of a triplet excitation in inhomogeneous
media such as mixed molecular crystals, solid solutions of organic compounds in low-molecular solvents and
polymers, as well as porous matrices activated by complex molecules. The experimental data obtained under
conditions of steady-state excitation and time resolution are analyzed within different approaches used for
describing the energy transport in disordered systems. © 2000 MAIK “Nauka/Interperiodica”.


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