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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2011, 1, 5—16.
Investigation of Nanostructures Influence on Photorefractive, Photoconductive and Dynamic Properties of Organic Materials Including Liquid Crystals
N. V. Kamanina1,2,3
Author affiliations 1
Vavilov State Optical Institute
12, Birzhevaya, St Petersburg, 199034. E-mail: email@example.com 2
Saint Petersburg Electrotechnical University “LETI”
Professor Popov str. 5, St.Petersburg, 197376, Russia 3
National Research University of Information Technologies, Mechanics and Optics
Kronverkskiy pr., 49, Saint Petersburg, 197101
Abstract Based on different organic conjugated materials nanostructured with fullerenes, nanotubes or quantum dots, the influence of the nanosensitization both on photorefractive and photoconductive features as well as on dynamic properties of organic materials has been considered. The questions of improvement of nonlinear optical characteristics have been studied via investigation of diffractive response of organics materials and their laser-induced change in the refractive index. The refraction has been studied under Raman-Nath diffraction conditions at different spatial frequency, at various content of nanosensitizers and at different laser energy density. Analyzing the volt-ampere characteristics the results of charge carrier mobility increasing has been established in the nanostructured organic media. The correlation between photoconductive and photorefractive properties has been supported for large organic molecules at electric and light interaction.