Now showing items 1-20 of 44

    • O’Dwyer, Colm; Lavayen, Vladimir; Santa Ana, María Angélica; Benavente Espinosa, Eglantina; González Moraga, Guillermo; Sotomayor Torres, Clivia (Hindawi Publishing Corporation, 2007-08-06)
      We report on unique high-volume low-dimensional V2O5-based turbostratic nanostructures, prepared using sol-gel synthetic methods from V2O5 · nH2O xerogels. Electrochemical intercalation of Li+ to form Li0.65V2O5 resulted ...
    • O’Dwyer, Colm; Lavayen, Vladimir; Newcomb, S. B.; Benavente Espinosa, Eglantina; Santa Ana, María Angélica; González Moraga, Guillermo; Sotomayor Torres, Clivia (The Electrochemical Society, 2007-02-02)
      We report the detailed characterization of high quality vanadium oxide VOx nanotubes NTs and highlight the zipping of adjacent vanadate layers in such NTs formed on remarkable nanourchin structures. These nanostructures ...
    • Lavayen, Vladimir; O’Dwyer, Colm; Santa Ana, María Angélica; Newcomb, S. B.; Benavente Espinosa, Eglantina; González Moraga, Guillermo; Sotomayor Torres, Clivia (PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS Volume: 243 Issue: 13 Pages: 3285-3289 Published: NOV 2006, 2006-11)
      We present a comparative structural -vibrational study of nanostructured systems of V2O5: nano-urchin (VONURs) which are spherical structures composed of a radially oriented array of VOx nanotubes (VOxNTs) with a volumetric ...
    • Benavente Espinosa, Eglantina; Navas, Daniel; Devis, Sindy; Segovia, Marjorie; Sotomayor Torres, Clivia; González Moraga, Guillermo (MDPI, 2018)
      A series of hybrid heterostructured nanocomposites of ZnO with V2O5 nanotubes (VOx-NTs) in different mixing ratios were synthesized, with the aim of reducing the recombination of photoinduced charge carriers and to optimize ...
    • Lozano, Harold; Benavente Espinosa, Eglantina; González Moraga, Guillermo (American Scientific Publishers, 2007-11-30)
      The deposition of hybrid organic–inorganic nanocomposites of titanium dioxide—prepared by hydrolysis of titanium tretraisopropoxide modified through exchanging one of its ligands with a butinoxy-, octiloxy- or phenoxy-group—on ...
    • Benavente Espinosa, Eglantina; Riveros, G.; López, Z.; Santa Ana, María Angélica; Aliaga, Juan Antonio; González Moraga, Guillermo (Taylor & Francis Group, LLC, 2010-10-04)
      The restacking of molybdenum disulphide (MoS2) on a gold surface is reported. Thin films were obtained by spontaneous deposition from single-layer suspensions of the sulfide on a Quartz Crystal Microbalance gold electrode ...
    • Benavente Espinosa, Eglantina; Santa Ana, María Angélica; González Moraga, Guillermo (Wiley-VCH, 2004-07-13)
      The electrical conductivities of a series of MoS2-organic layer nanocomposites prepared by the intercalation of donors like poly(ethylene oxide) and secondary amines are compared. Although for intercalated MoS2 species ...
    • Santa Ana, María Angélica; Mirabal, N.; Benavente Espinosa, Eglantina; Gómez Romero, Pedro; González Moraga, Guillermo (2007 Elsevier Ltd., 2007-06-02)
      A new nanocomposite, obtained from the intercalation of the cyclic ether 12-Crown-4 into MoS2, Li0.32MoS2(12-Crown-4)0.19, is described. The laminar product has an interlaminar distance of 14.4A° . The electrical conductivity ...
    • Aliaga, Juan; Cifuentes, Nasla; González Moraga, Guillermo; Sotomayor Torres, Clivia; Benavente Espinosa, Eglantina (MDPI AG, 2018)
      © 2018 by the authors. Licensee MDPI, Basel, Switzerland. In this work, we report the fabrication of the new heterojunction of two 2D hybrid layered semiconductors—ZnO (stearic acid)/V2O5 (hexadecylamine)—and its behavior ...
    • Foreword 
      Benavente Espinosa, Eglantina; González Moraga, Guillermo; Kajzar, F.; Rau, Ileana (Taylor & Francis Group, 2010)
    • Moreno, Mabel; Benavente Espinosa, Eglantina; González Moraga, Guillermo; Lavayen, Vladimir; Sotomayor Torres, Clivia (TAYLOR & FRANCIS, 2006)
      The functionalization of bentonite by intercalation of surfactants dodecylamine, hexadecylamine, octadecylamine, and the octadecyltrimethylammonium cation is described. Products are characterized by elemental analysis, ...
    • Lavayen, Vladimir; O’Dwyer, Colm; Santa Ana, María Angélica; Mirabal, N.; Benavente Espinosa, Eglantina; Cárdenas, G.; González Moraga, Guillermo; Sotomayor Torres, Clivia (Elsevier B.V., 2006-08-22)
      This work explores the functionalization of an organic–inorganic MoS2 lamellar compound, prepared by a chemical liquid deposition method (CLD), that has an interlamellar distance of 5.2 nm, using clusters of gold ...
    • Vásquez, Juan; Lozano, Harold; Lavayen, Vladimir; Lira-Cantú, Mónica; Gómez Romero, Pedro; Santa Ana, María Angélica; Benavente Espinosa, Eglantina; González Moraga, Guillermo (American Scientific Publishers, 2007-11-03)
      The effect of the neutral surfactant dodecylamine and octadecylamine on the synthesis of TiO2-based nanostructures by the treatment of anatase with NaOH under hydrothermal conditions in the temperature range 120–150 C ...
    • Fuentes, S.; Ayala, M. V.; Benavente Espinosa, Eglantina; González Moraga, Guillermo (TAYLOR & FRANCIS LTD, 2010)
      A series of new Chitosan=poly(mercaptopropysiloxane) hybrid films were obtained by blending mercaptopropylsiloxane oligomers (pMPS) with chitosan (CHI). The MPS oligomers were prepared by sol-gel using as precursor ...
    • López Cabaña, Zoraya Elena; Navas, D.; Benavente Espinosa, Eglantina; Santa Ana, María Angélica; Lavayen, Vladimir; González Moraga, Guillermo (TAYLOR & FRANCIS, 2012)
      Hybrid two-dimensional nanocomposites of transition metal semiconductors based on molybdenum disulfide, zinc oxide, and vanadium pentoxide, in which ultra-thin sheets of the inorganic component are stabilized by insertion ...
    • Lavayen, V.; Benavente Espinosa, Eglantina; Sotomayor Torres, Clivia; González Moraga, Guillermo (Trans Tech Publications Ltd., 2007)
      The intercalation of long-chain primary amines into the laminar matrices of MoS2 or V2O5-gel leads to well ordered, lamellar organic-inorganic nanocomposites. Powder X-ray diffraction analysis, stoichiometry determined ...
    • Sánchez, A.; Echeverría, Y.; Sotomayor Torres, Clivia; González Moraga, Guillermo; Benavente Espinosa, Eglantina (PERGAMON-ELSEVIER SCIENCE LTD, 2006-06-15)
      It is shown that the intercalation of [Europium(bipyridine)213, into bentonite results in a new nanocomposite which preserves the emission properties of Europium (111). The exchange of sodium by europium in bentonite is ...
    • Benavente Espinosa, Eglantina; Echeverría, Y.; Lavayen, Vladimir; Sotomayor Torres, Clivia; González Moraga, Guillermo (Chunli BAI, Sishen XIE, Xing ZHU, 2007-03-15)
    • Celedón, Salvador; Quiroz, Carolina; González Moraga, Guillermo; Sotomayor Torres, Clivia; Benavente Espinosa, Eglantina (2009)
      Complexes of Europium(III) and Terbium(III) with 2,2-bipyridine and 1,10-phenanthroline were inserted into Na-bentonite by ion exchange reactions at room temperature. The products display interlaminar distances and ...
    • Celedón, Salvador; Quiroz, Carolina; González Moraga, Guillermo; Sotomayor Torres, Clivia; Benavente Espinosa, Eglantina (Elsevier , Science Ltd., 2008-09-28)
      Complexes of Europium(III) and Terbium(III) with 2,2-bipyridine and 1,10-phenanthroline were inserted into Na-bentonite by ion exchange reactions at room temperature. The products display interlaminar distances and ...