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Showing 1 to 20 of 559 for “"TiO2"”.
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Selective methanation of CO in H2-rich gas using Pd/TiO2, Ni/TiO2 and PdNi/TiO2 catalysts
… This study reports the synthesis of Pd/TiO2, Ni/TiO2 and PdNi/TiO2 catalysts for CO-SMET in H2 gas through wet impregnation and polyol methods. The structural characterisation of the catalys
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Effect of calcination temperature on bilayer TiO2/ZnO and ZnO/TiO2 thin films
… The result of thin film from titanium dioxide (TiO2) and zinc oxide (ZnO) have good photocatalytic properties, high refractive index, a high dielectric constant, and good thermal stability. In this study, bilayer TiO2/ZnO and ZnO/TiO2 thin films were produced using sol-gel synthesis with …
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Películas delgadas basadas en TIO2 y MOx/TIO2 con aplicaciones fotoelectroquímicas y ópticas
Durante los últimos años, la preparación de materiales en forma de película delgada ha sido objeto de un gran número de investigaciones debido a su enorme interés tecnológico. Los enormes avances de la última década hacen cada vez más complicado satisfacer las demandas que exige el diseño de nuevos …
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Experimental investigation of photocatalytic hydrogen production with boron-doped TiO2 and multi-walled carbon nanotubes-TiO2
… and oxygen by UV light irradiated boron-doped TiO2 and carbon nanotube-TiO2 semiconductor photoelectrodes. The average current densities generated under potentiostatic scan for uncoated stainless steel, boron-doped TiO2 and carbon nanotube-TiO2 working electrodes are observed to be 112.51 mA …
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TiO2-PMMA nanohybrids of enhanced nanocrystallinity
… systematic investigation has been conducted into TiO2-PMMA nanohybrids derived from wet chemistry methods, aimed at understanding the mechanisms responsible for the amorphous TiO2 phase in nanohybrids, which cannot be avoided under the conditions tolerable by PMMA matrix. The largely amorphous …
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The photo-oxidation of benzyl alcohol over TiO2 and Pt TiO2 and the effect of reaction conditions
The fine chemical benzaldehyde is commonly produced by the oxidation of benzyl alcohol (B-Alc) using stoichiometric amounts of hazardous oxidants such as chromates. The selective, photocatalytic oxidation of benzyl alcohol offers a promising, more environmentally friendly method of producing …
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Analysis and Comparison of the Photodecomposition Reaction of Methanol on CeO2 Impregnated TiO2 Surfaces Versus Bare TiO2 Surfaces
<p>Titanium dioxide (TiO<sub>2</sub>) has been well-studied primarily due to its unique photocatalytic activity. Different preparation techniques have been developed to increase its photocatalytic activity by various means, including simply increasing the surface area, changing the makeup of the …
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TiO2-doped Ionic Polymer-Metal Composite Actuator
… and electromechanical properties of TiO2-doped ionic polymer membrane and IPMCs prepared by the sol-gel preparation. The structures of fabricated samples were investigated by Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD), and Differential Scanning Calorimetry (DSC). …
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Design of band-engineered photocatalysts using TiO2
… blue photooxidation over thin-film anatase TiO2 grown by atomic layer deposition. The near-surface electric field was controlled by tuning the space charge layer width through varying the bulk carrier concentration and the surface potential. The carrier concentration in the polycrystalline …
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Fabrication of nanorod TiO2/CU2O heterostructure thin film
Titanium Dioxide (TiO2) has been investigated as a potential material to use in solar cell application. It has good refractive index in visible region, able to function as photocatalyst and produces high transmittance. In this study, the chemical stability of TiO2 and the photon absorbance spectrum …
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Synthesis and characterization of TiO2 nanotube Schottky diodes
… synthesized titanium dioxide nanotubes (TiO2-NTs) have gained a considerable amount of interest due to their high specific surface areas, tunable geometries, and favorable electrical properties. Explored for a variety of applications such as solar cells, hydrogen production, memristors, …
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Metal-TiO2 nanocomposites towards efficient solar-driven photocatalysis
… the alternative water purification methods, TiO2-based photocatalysis has attracted great attention due to material stability, abundance, non-toxicity and high decontamination efficiency. In this material, electron-hole pairs, generated by light absorption, separate from each other and …
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An evaluation of some commercially-available thin TiO2 films and TiO2 films grown by atomic layer deposition for potential photocatalytic applications
… synthesize nominally undoped titanium dioxide (TiO2) and a range of doped TiO2 films (Ti1-xO2:Mx) on quartz substrates, separately accommodating aluminium, gallium, hafnium, silver, tin and vanadium as nanolaminate dopants. The synthesized TiO2 and Ti1-xO2:Mx films provided varying …
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Photocatalytic Reactor using TiO2 Thin Film on Quartz Tubes
… in different reactor configuration using TiO2 slurry and thin film, using a UV light source, the constraints for these reactors are the need for the removal of TiO2 particles at the outlet stream in a slurry reactor and poor environment for the efficient use of TiO2 film using UV light, as …
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