Listar por autoría "11c7c283-a9dd-4f55-a263-fd452ec71d0f"
Mostrando ítems 1-20 de 37
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Aggregation-induced heterogeneities in the emission of upconverting nanoparticles at the submicron scale unfolded by hyperspectral microscopy
Gonell, Francisco; Botas, Alexandre M. P.; Brites, Carlos B. S.; Amorós, Pedro; Carlos, Luis D.; Julian-Lopez, Beatriz; Ferreira, Rute A. S. Royal Society of Chemistry (2019)Transparent upconverting hybrid nanocomposites are exciting materials for advanced applications such as 3D displays, nanosensors, solar energy converters, and fluorescence biomarkers. This work presents a simple strategy ... -
Aplicació de rúbriques per a l'avaluació d'estudiants en grups de treball de laboratori químic
Gonell, Francisco; Gonell, Sergio; Julian-Lopez, Beatriz; Mata Martínez, Jose A Universitat de Barcelona (2016)El present treball de millora educativa constitueix un exemple de millora en les pràctiques de laboratori de l’assignatura QU0924 Química Inorgànica III mitjançant la introducció de rúbriques com a instrument d’avaluaci ... -
Biological reactor retrofitting using CFD-ASM modelling
Climent, Javier; Basiero, L.; Martinez Cuenca, Raul; Berlanga Clavijo, José Guillermo; Julian-Lopez, Beatriz; chiva, sergio Elsevier (2018-09-15)In recent years, the interest in modelling activated sludge (AS) systems by means of Computational Fluid Dynamics (CFD) techniques has significantly increased. This work shows a successful case study combining CFD hydrodynamics ... -
Copper-doped titania photocatalysts for simultaneous reduction of CO2 and production of H2 from aqueous sulfide
Gonell, Francisco; Puga, Alberto V.; Julian-Lopez, Beatriz; García Gómez, Hermenegildo; CORMA, AVELINO Elsevier (2016-01)Copper-doped titanium dioxide materials with anatase phase (Cu-TiO2, atomic Cu contents ranging from 0 to 3% relative to the sum of Cu and Ti), and particle sizes of 12–15 nm, were synthesised by a solvo-thermal method ... -
Core-shell effects of functionalizes oxide nanoparticles inside long-range meso-ordered spray-dried silica spheres according to the templating agent in use
Baccile, Niki; Fischer, Anna; Julian-Lopez, Beatriz; Grosso, David; Sánchez, Clément Springer Verlag (2008)Core-shell and homogeneous distributions of functionalized cerium oxide nanoparticles within spraydried mesostructured silica spheres are achieved by modification of synthesis parameters such as the templating agent and ... -
Easy Formation of Functional Liposomes in Water Using a pH‐Responsive Microbial Glycolipid: Encapsulation of Magnetic and Upconverting Nanoparticles
Van Renterghem, Lisa; Guzzetta, F.; Le Griel, Patrick; Selmane, Mohamed; Ben Messaoud, Ghazi; Teng, Tabitha Tan Su; Lim, Sierin; Soetaert, Wim; Roelants, Sophie; Julian-Lopez, Beatriz; Baccile, Niki Wiley (2019)The compartmentalization of colloids into topologically closed, vesicular, microphases offers an attractive mean to concentrate a functional cargo in aqueous solutions for a range of biomedical, cosmetic, and biotechnological ... -
Empleo del visualizador gráfico Jmol en las clases de simetría molecular
Poyatos, Macarena; Julian-Lopez, Beatriz Educación Editora (2014)El presente trabajo divulga la innovación educativa que se ha desarrollado en la asignatura Química Inorgánica III (QU0924) del tercer curso del Grado en Química en el curso académico 2013/2014, de la Universitat Jaume I ... -
Eu3+ @Organo-Si(HIPE) Macro-Mesocellular Hybrid Foams Generation: Syntheses, Characterizations, and Photonic Properties
Brun, Nicolas; Julian-Lopez, Beatriz; Hesemann, Peter; Laurent, Guillaume; Deleuze, Hervé; Sánchez, Clément; Achard, Marie-France; Backov, Rénal American Chemical Society (2008)The elaboration of organosilica-based hybrid monoliths exhibiting a hierarchically structured bimodal porous structure with chelating functionality have been synthesized under interplay between high internal phase emulsion ... -
Facile Surfactant-Assisted Synthesis of BiVO4 Nanoparticulate Films for Solar Water Splitting
Montañés, Laura; Mesa, Camilo A.; Gutiérrez-Blanco, Ana; Robles, Christian; Julian-Lopez, Beatriz; Gimenez, Sixto MDPI (2021-10-15)Bismuth vanadate (BiVO4), which has attractive applicability as a photoactive material, presents applications that range from catalysis to water treatment upon visible light irradiation. In this study, we develop a simple ... -
Hole conductivity and acceptor density of p-type CuGaO2 nanoparticles determined by impedance spectroscopy: The effect of Mg doping
Herraiz Cardona, Isaac; Fabregat-Santiago, Francisco; Renaud, Adèle; Julian-Lopez, Beatriz; Odobel, Fabrice; Carioc, Laurent; Jobic, Stéphane; Gimenez, Sixto Elsevier (2013)Delafossite materials like CuGaO2 have appeared as promising p-type semiconductor materials for their exploitation in tandem dye sensitized solar cells and water splitting photoelectrochemical cells. However, the intrinsic ... -
Key insights on the structural characterization of textured Er2O3–ZrO2 nano-oxides prepared by a surfactant-free solvothermal route
Julian-Lopez, Beatriz; De la Luz, Verónica; Gonell, Francisco; Cordoncillo, Eloisa; López-Haro, Miguel; Calvino, Jose J.; Escribano López, Purificación Elsevier (2012)Zirconia-mixed oxides can exhibit cubic fluorite and pyrochlore structure. Their discrimination is not easy in nanooxides with a crystal size close to that of a few unit cells. In this work, high resolution transmission ... -
Lanthanide doped ZnS quantum dots dispersed in silica glasses: an easy one pot sol–gel synthesis for obtaining novel photonic materials
Planelles Aragó, José; Julian-Lopez, Beatriz; Cordoncillo, Eloisa; Escribano López, Purificación; Pellé, Fabienne; Viana, Bruno; Sánchez, Clément Royal Society of Chemistry (2008)Silica glasses containing both ZnS quantum dots (QDs) and luminescent lanthanide ions are attractive candidates to develop new lighting displays, sensor devices or laser emitters. This work reports an easy sol–gel method ... -
Lead Sulfide Nanocubes for Solar Energy Storage
Lemsi, Amira; Cardenas-Morcoso, Drialys; Haro, Marta; Gil Barrachina, Carlos; Aranda Alonso, Clara; Maghraoui Meherzi, Hager; García-Tecedor, Miguel; Gimenez, Sixto; Julian-Lopez, Beatriz Wiley (2020-04-23)Lead sulfide (PbS) nanocubes are produced by a very simple solvothermal procedure that uses a unique molecule, ethylenediamine, as solvent and capping ligand to control the size and shape of the nanocrystals. Detailed ... -
Ligand & band gap engineering: tailoring the protocol synthesis for achieving high-quality CsPbI3 quantum dots
Hassanabadi, Ehsan; Latifi, Masoud; Gualdrón Reyes, Andrés Fabián; Masi, Sofia; YOON, SEOG JOON; Poyatos, Macarena; Julian-Lopez, Beatriz; Mora-Sero, Ivan Royal Society of Chemistry (2020)Hot-injection has become the most widespread method used for the synthesis of perovskite quantum dots (QDs) with enormous interest for application in optoelectronic devices. However, there are some aspects of the chemistry ... -
Mesoporous SiO2 thin films containing photoluminescent ZnO nanoparticles and simultaneous SAXS/WAXS/ellipsometry experiments
Julian-Lopez, Beatriz; Krins, Natacha; Bass, John D.; Evrar, Patrick; Boissière, Cédric; Nicole, Lionel; Sánchez, Clément; Amenitsch, Heinz; Grosso, David RSC (2011)We report the formation of ZnO/SiO2 nanocomposite thin films. They are composed of 5 nm sized-wurtzite ZnO nanoparticles nucleated within vitreous SiO2 which was in the form of either an ordered mesoporous or a dense matrix. ... -
Multimodal Light-Harvesting Soft Hybrid Materials: Assisted Energy Transfer upon Thermally Reversible Gelation
Felip-León, Carles; Guzzetta, F.; Julian-Lopez, Beatriz; Galindo, Francisco; Miravet, Juan American Chemical Society (2017)Multimodal light-harvesting soft systems able to absorb UV-to-NIR radiations and convert into visible emissions have drawn much attention in the last years in order to explore new areas of application in energy, photonics, ... -
Nanocasted mesoporous nanocrystalline ZnO thin films
Lepoutre, S.; Julian-Lopez, Beatriz; Sánchez, Clément; Amenitsch, Heinz; Linden, M.; Grosso, David Elsevier (2010)For the first time the formation of photoluminescent mesoporous ZnO thin films with high optical quality and low refractive index is reported. They have been thoroughly characterized via the use of a large set of modern ... -
New insights in the structure-luminescence relationship of Eu:SrAl2O4
Cordoncillo, Eloisa; Julian-Lopez, Beatriz; Martínez, M.; Sanjuan, M.L.; Escribano López, Purificación Elsevier (2009)This work aims the preparation of Eu:SrAl2O4 through a sol-gel methodology. Some studies point out the possibility that hexagonal polymorph exhibit higher luminescence efficiency than the monoclinic one. However, the slow ... -
New insights on organosilane oligomerization mechanisms using ESI-MS and 29Si NMR
Planelles Aragó, José; Vicent Barrera, Cristian; Julian-Lopez, Beatriz; Cordoncillo, Eloisa; Escribano López, Purificación Royal Society of Chemistry (2009)The use of electrospray ionization mass spectrometry (ESI-MS) in parallel with 29Si and 1H NMR to elucidate the aqueous speciation and temporal evolution of the organosilane methyldiethoxysilane (MDES) through hydrolysis ... -
New insights on the structural and optical properties of Ce–Ti mixed oxide nanoparticles doped with praseodymium
Fernández González, Ricardo; Julian-Lopez, Beatriz; Cordoncillo, Eloisa; Escribano López, Purificación Royal Society of Chemistry (2010-10-26)Nanostructured, doped Ce–Ti mixed oxides are potential materials for several applications such as pigments, catalysis, fuel cells, optical films, and gas sensors. In this article, a series of Pr-doped Ce–Ti oxides have ...