Photovoltaic properties of polymer composites doped with binuclear complexes of lanthanoids based on carbacylamidophosphate ligands and 3,6-dipyridin-2-il-1,2,4,5-tetrazine

The photovoltaic and photoconductive properties of film composites of styrene copolymere with nonylmethacrylate. poly-N-epoxypropylcarbazole doped with lanthanide complexes of the composition Ln₂L₆ • PS (Ln = Nd. Eu. Gd. Yb; HL is a ligand of the carbacylamidephosphate type. CCl₃C(O)N(H)P(O)(NEt₂)₂. N- [bis (diethylamino) phosphoryl] -2.2.2-trichloroacetamide; PS = 3.6-dipyridin-2-yl-1.2.4.5-tetrazine. C₅H₄N-C₂N₄-C₅H₄N) have been studied. It is found that in the visible range of the spectrum these composites have a hole type of photoconductivity. and the internal photoelectric effect is determined by the photogeneration of charge carriers from the molecules of the metal complex and the sensitizer. The kinetics of the formation and relaxation of photogenerated charge carriers has been studied by the EPR method. It is concluded that the molecules of the metal complex in the composition of the polymer composite enhance the efficiency of photogeneration of non-equilibrium charge carriers and thereby affect the photovoltaic properties of the composites.

polymer composites, photoconductivity, photovoltaics, spin conversion, complexes of lanthanides, ligands, dipyridyltetrazine

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