Výsledky vyhledávání - "Yu. S. Zavorotnyi"

The Effect of Temperature on the Photoluminescence of Hybrid Si/SiOx Nanoparticles

Autor: Alexander P. Sviridov, A. O. Rybaltovskii, A. A. Lotin, Yu. S. Zavorotnyi

Publikováno v: Nanotechnologies in Russia. 14:82-89

Transformation of the photoluminescence (PL) spectra of hybrid Si/SiOx nanoparticles of the crystalline core–oxide shell type has been investigated in the temperature range of 10–320 K upon 325-nm laser excitation. Si/SiOx nanoparticles are synth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b572ed7b41ea06b5f2be4e6bb5fc5f2f
https://doi.org/10.1134/s1995078019010099

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Effect of Electron-Acceptor Compounds on the Laser Burning of Photoluminescence of Hybrid Si/SiOx Silicon Nanoparticles

Autor: A. E. Parshutkin, A. A. Ishchenko, Alexander P. Sviridov, E. D. Feklichev, Yu. S. Zavorotnyi, Viktor N Bagratashvili, V. A. Radtsig, A. O. Rybaltovskii

Publikováno v: Nanotechnologies in Russia. 13:141-151

The role of the environment on the dynamics of the photoburning processes of the red–infrared photoluminescence (PL) of hybrid silicon nanoparticles (npSi/SiOx) under the influence of continuous laser radiation (410 and 635 nm) in different media (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::938c7475a957d212bd1ec03aded4aadf
https://doi.org/10.1134/s199507801802009x

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Luminescence of nanocomposites obtained via SCF impregnation of polymer powders with CdSe quantum dots

Autor: A. O. Rybaltovskii, Yu. S. Zavorotnyi, Peter S. Timashev, Vladimir K. Popov, Nikita V. Minaev, D. S. Rubashnaya

Publikováno v: Russian Journal of Physical Chemistry B. 10:1033-1038

The luminescence features have been studied in ultradisperse CdSe quantum dot-based composites embedded in low-density polyethylene (LDPE) and polytetrafluoroethylene (PTFE) powders using supercritical carbon dioxide. The thermal treatment of the LDP

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8afab47f3114e2fc02ecdd763c53de9
https://doi.org/10.1134/s1990793116070174

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Broadband photoluminescence of hybrid Si/SiO x nanoparticles synthesized from silicon monoxide

Autor: A. O. Rybaltovskii, A. A. Ishchenko, E. D. Feklichev, Alexander P. Sviridov, Yu. S. Zavorotnyi, Victor N. Bagratashvili

Publikováno v: Nanotechnologies in Russia. 10:802-813

Hybrid nanoparticles npSi/SiO x , having bright broadband photoluminescence (PL), have been synthesized using thermal disproportionation of silicon monoxide method and were used to derive sols and polymeric composites in the form of microdispersed PT

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc0b1b1ac93ac54f2e2ddc313e31e7fd
https://doi.org/10.1134/s1995078015050183

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Binuclear terbium(iii) pivalates with 4,7-diphenyl-1,10-phenanthroline: synthesis, structure, thermal decomposition, and magnetic and luminescence properties

Autor: Irina G. Fomina, Yu. S. Zavorotnyi, A. B. Ilyukhin, A. E. Gekhman, G. G. Aleksandrov, Igor L. Eremenko, Andrey V. Gavrikov, A. S. Bogomyakov, Zh. V. Dobrokhotova, Vladimir M. Novotortsev, V. I. Gerasimova

Publikováno v: Russian Chemical Bulletin. 63:938-944

New binuclear pivalate complexes (bath)2Tb2(piv)6 and (bath)2Tb2(piv)6·H2O (piv = = ButCCO2 −, bath is 4,7-diphenyl-1,10-phenanthroline) were synthesized. The thermal behavior of these complexes was studied by differential scanning calorimetry and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a07609b075d151f6b202ebd9b5f95039
https://doi.org/10.1007/s11172-014-0531-9

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Synthesis, structure, and thermal behavior of polymeric zinc(ii) pivalate

Autor: Irina G. Fomina, M. A. Bykov, Vladimir V. Chernyshev, Zh. V. Dobrokhotova, A. S. Alikhanyan, Yu. A. Velikodnyi, I. P. Malkerova, Igor L. Eremenko, Yu. S. Zavorotnyi

Publikováno v: Russian Chemical Bulletin. 62:427-434

The reaction of zinc(ii) acetate hydrate with pivalic acid (HOOCBut− = HPiv) in air at 100 °C afforded the new 1D coordination polymer {Zn(Piv)2}n (1), in which the metal atoms are in a tetrahedral ligand environment. The thermal behavior of the r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c8f2f3b514148b20a2da2bad0086a15
https://doi.org/10.1007/s11172-013-0057-6

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Preparation of fluorescent nanocomposites with CdSe/CdS quantum dots by dispersion polymerization in supercritical carbon dioxide

Autor: L. I. Krotova, Peter S. Timashev, A. O. Rybaltovskii, Yu. S. Zavorotnyi, Vladimir K. Popov

Publikováno v: Russian Journal of Physical Chemistry B. 5:1161-1166

A new method for preparing fluorescent polymer nanocomposites based on dispersion copolymerization of methyl methacrylate and styrene in the presence of CdSe/CdS quantum dots in supercritical carbon dioxide medium is proposed. A one-step scheme of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd118dbab421198b1d2b2a8d054ec4fd
https://doi.org/10.1134/s1990793111070177

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Fabrication of fine powder fluorescent polymer nanocomposites based on CdSe quantum dots using supercritical carbon dioxide

Autor: I. I. Taraskina, Yu. S. Zavorotnyi, Vladimir K. Popov, A. O. Manyashin, M. S. Vakshtein, A. O. Rybaltovskii, Peter S. Timashev, Victor N. Bagratashvili, L. I. Krotova

Publikováno v: Inorganic Materials: Applied Research. 1:297-302

A method of diffusion introduction of CdSe quantum dots (QDs) into polymer microparticles in supercritical carbon dioxide was proposed, implemented, and studied. Photoluminescence (PL) spectra of fine nanocomposite powders based on polymethyl methacr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0069941a0346387456b42b6d9c0c5c3b
https://doi.org/10.1134/s2075113310040064

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Synthesis of silver nanocomposites by SCF impregnation of matrices of synthetic opal and Vycor glass by the Ag(hfac)COD precursor

Autor: M. I. Samoilovich, M. Yu. Tsvetkov, Nikita V. Minaev, Victor N. Bagratashvili, A. O. Rybaltovskii, Peter S. Timashev, Yu. S. Zavorotnyi

Publikováno v: Russian Journal of Physical Chemistry B. 3:1106-1112

Silver-containing nanocomposites were prepared by impregnating Vycor glass (a pore diameter of 4 nm) and synthesized opal matrices (an interstitial void size of 40 nm) with cyclooctadiene complex of silver hexafluoroacetylacetonate (Ag(hfac)COD), a s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4731ade5221afe9b965dc5a65e7cb3b6
https://doi.org/10.1134/s1990793109070100

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Photosensitivity and thermosensitivity of polymers doped with Eu(fod)3 molecules

Autor: Yu. S. Zavorotnyi, A. Yu. Chebrova, V. I. Gerasimova, A. O. Rybaltovskii

Publikováno v: Journal of Applied Spectroscopy. 76:93-100

We have studied the photoluminescence (PL) spectra of Eu3+ ions and the decay kinetics for the photoluminescence intensity on exposure to temperature and UV radiation in polypropylene and oligo(urethane methacrylate) (OUM) doped with Eu(fod)3 molecul

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https://doi.org/10.1007/s10812-009-9144-8

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