Abstract
A study was carried out on the photovoltaic and photoconductive properties of film composites of a copolymer of styrene with nonyl methacrylate and poly-N-epoxypropylcarbazole doped with the tetranuclear metal complex Cu4L4(OCH3)4 (L− = N,N′-dibenzyl-N″-trichloroacetylphosphotriamide) using an organic intramolecular charge transfer compound as a sensitizer. In the visible spectrum, these composites have hole-type photoconductivity, while their internal photoelectric effect is related to the photogeneration of charge carriers from the metal complex molecules and the sensitizer. The metal complex molecules in the polymer composite were found to increase the efficiency of photogeneration of nonequilibrium charge carriers and thereby affect the photovoltaic properties of the composites.
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