Buscar
Mostrando ítems 61-70 de 135
Artículo
Enhanced diffusion through porous nanoparticle optical multilayers
(Royal Society of Chemistry, 2011-11-19)
Herein we demonstrate improved mass transport through nanoparticle one-dimensional photonic crystals of enhanced porosity. Analysis is made by impedance spectroscopy using iodine and ionic liquid based electrolytes and ...
Artículo
Effect of heat pretreatment/recarbonation in the Ca-looping process at realistic calcination conditions
(American Chemical Society, 2014)
Even though an increasing number of pilot-scale plants are demonstrating the potential efficiency of the Ca-looping technology to capture CO2 at a commercial level, a still standing matter of concern is the loss of carbonation ...
Artículo
A Full Vacuum Approach for the Fabrication of Hybrid White-Light-Emitting Thin Films and Wide-Range In Situ Tunable Luminescent Microcavities
(Wiley-VCH, 2016)
This study shows the fabrication by a dry approach at mild temperature (<150 °C) of a photoluminescence white light emitting hybrid layer. The white light emitter is obtained by evaporation of two photoluminescent small ...
Artículo
Influence of temperature and time on the Eu3+ reaction with synthetic Na-Mica-n (n = 2 and 4)
(Elsevier, 2016)
Bentonite is accepted as the best clay material for the engineered barrier of Deep Geological Repositories (DGRs). The performance of clay as the main component of the engineered barrier in the DGR has been intensively ...
Artículo
A facile single-step procedure for the synthesis of luminescent Ln 3+:YVO4 (Ln = Eu or Er + Yb)-silica nanocomposites
(Elsevier, 2011)
A simple and single-step method for the production of Ln-doped YVO 4 nanocrystals and their simultaneous encapsulation in a silica network based on the pyrolysis of liquid aerosols at 800 °C is reported. The procedure is ...
Artículo
Preferential oxidation of CO (CO-PROX) over CuOx/CeO2 coated microchannel reactor
(Elsevier, 2012)
The general aspects of the synthesis and characterization results of a CuOx/CeO2 catalyst were presented. In addition the principal steps for manufacturing a microchannel reactor and for the coating of the CuOx/CeO2 catalyst ...
Artículo
Magnetron sputtered a-SiOxNy thin films: A closed porous nanostructure with controlled optical and mechanical properties
(2012)
were prepared by magnetron sputtering. Pores size, shape and distribution were evaluated by scanning electron microscopy and transmission electron microscopy. Raman and EELS analysis proved that the pores are filled with ...
Artículo
Microstructural Characterization of Silver Nanoparticles for Bioimaging Applications
(Cambridge University Press, 2012)
Artículo
Surface nanostructuring of TiO2 thin films by high energy ion irradiation
(American Institute of Physics, 2010)
The effects of a high ion dose irradiation on TiO2 thin films under different conditions of temperature and ion nature are discussed. We have shown that anatase TiO2 thin films irradiated with N+ ions at room temperature ...
Artículo
Monitoring the Reaction Mechanism in Model Biogas Reforming by In Situ Transient and Steady-State DRIFTS Measurements
(Wiley-VCH, 2017)
In this work, the reforming of model biogas was investigated on a Rh/MgAlO catalyst. In situ transient and steady-state diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) measurements were used to gain ...