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Information × Registration Number 0215U000596, 0110U006261 , R & D reports Title Studying of optical properties of nanomaterials on the base of liquid-crystal media with carbon nanotubes and other nanoparticles by the methods of singular optics for assignment and investigation of mechanisms of their interaction with electromagnetic radiation including optical vortices generation, preparation of the methods of nanomaterials complex diagnostics and certification, establishment of time variations of their characteristics. popup.stage_title Head Soskin M.S., Registration Date 06-03-2015 Organization Institute of physics NASU popup.description2 The project carried out a series of studies on the singular optics method of optical properties of nanomaterials based on liquid crystal media with carbon nanotubes and other nanoparticles in order to identify and study the mechanism of their interaction with electromagnetic radiation, including the processes of generation of optical vortices, the development of integrated diagnostics and certification of nanomaterials, the definition of temporary changes in their characteristics. A complex of complementary experimental techniques developed for the characterization of the liquid crystal nanocomposites containing nematic and cholesteric mixture as a template and it dispergovannye carbon nanotubes (single or multilayer) as dopants, with the possible inclusion of nano- and microparticles of other types. Methods include spectrophotometry (in particular, the definition of the optical transmission as a function of temperature), differential scanning calorimetry, electrical studies (dielectric spectroscopy, conductivity), optical microscopy, spectroscopy of selective reflection, other methods of physical and chemical analysis, as well as a number of methods of singular optics. For each of the liquid crystal parameters are determined nanomaterial phase transitions assesses geterostrukturovanosti homogeneity and phase states generated by optical transparency, electrical conductivity and permittivity as a function of applied electric field (for the electrooptical cells, capacitors, and other controlled vessel micro- and optoelectronic devices), and stability of these characteristics over time. The latter is especially important, since the main problem in creating such an inclination nanotube nanomaterial to aggregation - an optimal composition of the liquid crystal material should provide the combination of mutually contradictory requirements (transparency, sensitivity to an electric field, etc., in combination with a high temporal stability). Developed methods of characterization is relatively simple and does not require special sophisticated equipment; characterization is performed using standard instruments, and novelty is developed an original method of preparation of samples and measurements, provides high reliability of the results. Product Description popup.authors Поневчинський Владіслав Вікторович Соскін Марат Самуїлович popup.nrat_date 2020-04-02 Close