A study was carried out on the photovoltaic and photoconductive properties of fi lm composites of a styrene copolymer with nonyl methacrylate and polyNepoxypropylcarbazole doped with lanthanide complexes Ln2L6·PS (Ln = Nd, Eu, Gd, Yb), HL is the carbacylamidophosphate ligand, CCl3C(O)N(H)P(O)(NEt2)2, N-[bis(diethylamino) phosphoryl]2,2,2-trichloroacetamide; PS is 3,6-dipyridin-2-yl-1,2,4,5-tetrazine, C5H4N–C2N4–C5H4N). In the visible spectral range, these composites were found to have holetype photoconductivity. The internal photoelectric effect is a function of the photogeneration of charge carriers from the metal complex molecules and the sensitizer. EPR was used to study the kinetics of the formation and relaxation of the photogenerated charge carriers. We conclude that the metal complex molecules in the polymer composite enhance the efficiency of photogeneration of nonequilibrium charge carriers and thereby affect the photovoltaic properties of the composites.
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N. A. Davidenko is deceased
Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 87, No. 6, pp. 1010–1016, November–December, 2020.
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Amirkhanov, V.M., Vishnevsky, D.G., Ovdenko, V.N. et al. Photovoltaic Properties of Polymer Composites Doped with Binuclear Lanthanide Complexes Derived from 3,6-Dipyridin-2-YL-1,2,4,5-Tetrazine With Carbacylamidophosphate Ligands. J Appl Spectrosc 87, 1135–1140 (2021). https://doi.org/10.1007/s10812-021-01121-7
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DOI: https://doi.org/10.1007/s10812-021-01121-7