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Information × Registration Number 0214U006227, 0112U007580 , R & D reports Title Synthesis and physicochemical properties research of metals nanoclusters with organic shell popup.stage_title Head Robert O. Kochkan'an, Registration Date 19-02-2014 Organization The L.M.Litvinenko Institute of Physical-Organic Chemistry and Coal Chemistry popup.description2 Object of research - methods and properties of carbon and metal-carbon nanomaterials. Purpose - to development of new methods for the chemical low-temperature synthesis of carbon and metal-carbon nanomaterials and determine of their spatial structure and magnetic properties. Research methods - organic synthesis, IR and Raman spectroscopy, electron microscopy, X-ray diffraction, energy dispersive and elemental analysis. Consider new methods for the synthesis of the ligand-clusters with grapheme shell which contain atoms of nickel, cobalt, copper, phosphorus, boron. Their core is a metal cluster surrounded by rolled graphene layer, which is peeled from the graphite crystallite in low-temperature conditions. These nanomaterials are seaming nanotubes as formed by rolling of graphene. The diameter size is determined by the rolling of graphene plane, which is similar to the rectangle. Computer simulation found that clotting graphene leads coordination of metal clusters with him in the direction perpendicular to the plane, as well as boundary coordination on the side of "zigzag" in graphene. The structure of the graphene layers, coordinated with metal clusters, and unlike common position radial breathing modes in the acoustic field Raman spectrum for holistic and seamless nanotubes and magnetic properties of transition into a spin glass state. The studies developed energy-saving method for producing metal-carbon single-walled nanotubes. This method differs from the known high-temperature synthesis of such structures pretty simple, since it excludes the processes of purification, separation, dissecting nanotubes and filling them with metal. The developed method opens up the prospect of using metal-carbon nanoparticles in various electronic devices as semiconductor materials, metallurgy for spheroidal carbon, and in medicine as magnetic carriers of drugs, reagents for water disinfection. Product Description popup.authors Апраксіна Світлана Михайлівна Бондаренко Олександр Вікторович Демко Ярослав Володимирович Зарітовська Тетяна Олексіївна Зарітовський Олександр Миколайович Котенко Олена Миколаївна Круглова Алла Борисівна Нечитайлов Максим Михайлович Саяпина Світлана Василівна popup.nrat_date 2020-04-02 Close