Search Results - "Popovici, E"

Preparation and characterization of spinel-type MeFe2O4 (Me = Cu, Cd, Ni and Zn) for catalyst applications by Rezlescu, N., Rezlescu, E., Popa, P.D., Popovici, E., Doroftei, C., Ignat, M.

“…Four kinds of spinel ferrites, MeFe2O4 (Me = Cu, Ni, Zn and Cd), were prepared by so called “selfcombustion method” using nitrates as precursors. The…”
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New SnO2/MgAl-layered double hydroxide composites as photocatalysts for cationic dyes bleaching by DVININOV, E, IGNAT, M, BARVINSCHI, P, SMITHERS, M. A, POPOVICI, E

“…A new type of nanocomposite containing SnO(2) has been obtained by wet impregnation of dehydrated Mg/Al-hydrotalcite-type compounds with ethanolic solutions of…”
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Zn–Al layered double hydroxides: Synthesis, characterization and photocatalytic application by Seftel, E.M., Popovici, E., Mertens, M., Witte, K. De, Tendeloo, G. Van, Cool, P., Vansant, E.F.

“…Zn/Al-LDHs with cationic ratio of 1–4 were prepared by the co-precipitation method at constant pH. The XRD patterns showed that additional phase is present in…”
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Textural property tuning of ordered mesoporous carbon obtained by glycerol conversion using SBA-15 silica as template by Ignat, M., Van Oers, C.J., Vernimmen, J., Mertens, M., Potgieter-Vermaak, S., Meynen, V., Popovici, E., Cool, P.

“…“Wet” and “dry” template methods were used to simultaneously control the pore size, morphology, and graphitization in structurally well-ordered mesoporous…”
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Thermal behaviour of some ester derivatives of p-tert-butyl calix[n]arene by Saponar, A., Popovici, E.-J., Perhaita, I., Nemes, G., Cadis, A.-I.

“…The thermal behaviour of three ester derivatives of p - tert -butyl calix[ n ]arene ( n  = 4, 6 and 8) in comparison with the parent calixarene was…”
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Luminescence study of some yttrium tantalate-based phosphors by Karsu, E.C., Popovici, E.J., Ege, A., Morar, M., Indrea, E., Karali, T., Can, N.

“…Yttrium tantalate (YTaO4), yttrium niobium-tantalate (YTaNbO4), yttrium niobate (YNbO4), europium and terbium activated yttrium tantalate (YTaO4:Eu, YTaO4:Tb)…”
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Molecular identification of emergent GII.P17-GII.17 norovirus genotype, Romania, 2015 by Dinu, Sorin, Nagy, Mariana, Negru, Dana Gabriela, Popovici, Emilian Damian, Zota, Lavinia, Oprișan, Gabriela

“…The novel GII.P17-GII.17 norovirus genotype has been reported as cause of gastroenteritis outbreaks in China and Japan since the winter season 2014/15,…”
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Sn-containing layered double hydroxides as precursors for nano-sized ZnO/SnO2 photocatalysts by Seftel, E M, Popovici, E, Mertens, M, Stefaniak, E A, Van Grieken, R, Cool, P, Vansant, E F

“…Sn4+-containing LDH was prepared using the co-precipitation method at constant pH, and characterized using X-ray diffraction, UV-vis diffuse reflectance…”
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Investigation of thermal decomposition of yttrium–aluminum-based precursors for YAG phosphors by Muresan, L. E., Popovici, E.-J., Bica, E., Cadis, A. I., Perhaita, I., Tudoran, L. Barbu

“…Three types of precursors were prepared using the wet-chemical synthesis route, starting from yttrium–europium–aluminum nitrate solution and different…”
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Synthesis and characterization of TiO2-pillared Romanian clay and their application for azoic dyes photodegradation by Dvininov, E, Popovici, E, Pode, R, Cocheci, L, Barvinschi, P, Nica, V

“…The synthesis and properties of metal oxide pillared cationic clays (PILCs) has been subject to numerous studies in the last decades. In order to obtain…”
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Controlled drug delivery system based on ordered mesoporous silica matrices of captopril as angiotensin-converting enzyme inhibitor drug by Popovici, R F, Seftel, E M, Mihai, G D, Popovici, E, Voicu, V A

“…In the present study, captopril-loaded ordered mesoporous SBA-15 silica matrix were produced, functionalized, and characterized to obtain an efficient…”
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Studies regarding ZnS:Mn nanopowders prepared from single source molecular precursor using microwave-assisted decomposition by Cadiş, A.I., Muresan, L.E., Perhaiţa, I., Popovici, E.-J., Barbu-Tudoran, L., Indrea, E.

“…[Display omitted] •ZnS:Mn is prepared by microwave—assisted solvothermal decomposition.•Solvothermal treatment leads to increase of SBET from 2.04m2/g to…”
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Study on the retention of uranyl ions on modified clays with titanium oxide by Humelnicu, D., Popovici, E., Dvininov, E., Mita, C.

“…The experimental equilibrium adsorption data were tested for the Langmuir, Freundlich, Temkin and Redlich-Peterson equations. Results indicate the following…”
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Luminescence properties of europium–terbium double activated calcium tungstate phosphor by Nazarov, M.V., Jeon, D.Y., Kang, J.H., Popovici, E.-J., Muresan, L.-E., Zamoryanskaya, M.V., Tsukerblat, B.S.

“…Double incorporation of Eu 3+ and Tb 3+ ions into a CaWO 4 crystalline lattice modifies the luminescence spectrum due to the formation of new emission centers…”
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New TiO2/MgAl-LDH nanocomposites for the photocatalytic degradation of dyes by Seftel, E M, Popovici, E, Beyers, E, Mertens, M, Zhu, H Y, Vansant, E F, Cool, P

“…In this study we report the synthesis of a series of composite nanostructures comprising LDH and TiO2 phases. The materials characterization showed that the…”
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Structural evolution and optical properties of C-coated TiO2 nanoparticles prepared by laser pyrolysis by Scarisoreanu, M., Alexandrescu, R., Morjan, I., Birjega, R., Luculescu, C., Popovici, E., Dutu, E., Vasile, E., Danciu, V., Herlin-Boime, N.

“…► Carbon-doped TiO2 nanoparticles (using acetylene as precursor) were successful synthesized by the single step laser pyrolysis. ► Nanoparticles with major…”
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Rare earth activated yttrium aluminate phosphors with modulated luminescence by Muresan, L. E., Popovici, E. J., Perhaita, I., Indrea, E., Oro, J., Casan Pastor, N.

“…Yttrium aluminate (Y3A5O12) was doped with different rare earth ions (i.e. Gd3+, Ce3+, Eu3+ and/or Tb3+) in order to obtain phosphors (YAG:RE) with general…”
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Structural investigations on TiO2 and Fe-doped TiO2 nanoparticles synthesized by laser pyrolysis by ALEXANDRESCU, R, MOFIAN, I, PRODAN, G, VASILE, E, FIGGEMEIER, E, SCARISOREANU, M, BIRJEGA, R, POPOVICI, E, SCARE, I, GAVRILA-FLORESCU, L, VOICU, I, SANDU, I, DUMITRACHE, F

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Lattice parameter and luminescence properties of europium activated yttrium oxide by Nazarov, M.V., Kang, J.H., Jeon, D.Y., Popovici, E.-J., Muresan, L., Tsukerblat, B.S.

“…Samples of yttrium oxide doped with trivalent europium have been prepared by ceramic techniques, under different synthesis conditions; barium chloride (BaCl 2)…”
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Optical lines in europium–terbium double activated calcium tungstate phosphor by Nazarov, M.V., Tsukerblat, B.S., Popovici, E.-J., Jeon, D.Y.

“…The Letter is devoted to the problem of the optical anisotropy of the rare-earth ions occupying low-symmetry positions in crystals. The crystal field…”
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