| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Pimentel, Ana
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2022Enhanced Fe-TiO2 Solar Photocatalysts on Porous Platforms for Water Purificationcitations
- 2022A Comparison between Solution-Based Synthesis Methods of ZrO2 Nanomaterials for Energy Storage Applicationscitations
- 2022A Comparison between Solution-Based Synthesis Methods of ZrO2 Nanomaterials for Energy Storage Applicationscitations
- 2019Hybrid (Ag)ZnO/Cs/PMMA nanocomposite thin filmscitations
- 2019Hybrid (Ag)ZnO/Cs/PMMA nanocomposite thin filmscitations
- 2019Tailoring Upconversion and Morphology of Yb/Eu Doped Y2O3 Nanostructures by Acid Composition Mediationcitations
- 2016Photocatalytic behavior of TiO2 films synthesized by microwave irradiationcitations
- 2015Morphological and optical characterization of transparent thin films obtained at low temperature using ZnO nanoparticles
- 2010Manganese nitrate impregnation cycles optimization by addition of surfactants on Ta capacitors with high charge powders (>80000μC/G) manufacturing
- 2009Zinc oxide, a multifunctional material: from material to device applicationscitations
- 2008Effect of annealing on molybdenum doped indium oxide thin films RF sputtered at room temperaturecitations
- 2008Highly stable transparent and conducting gallium-doped zinc oxide thin films for photovoltaic applicationscitations
- 2006Electron transport and optical characteristics in amorphous indium zinc oxide filmscitations
- 2006Multifunctional Thin Film Zinc Oxide Semiconductors: Application to Electronic Devicescitations
- 2005A Study on the Electrical Properties of ZnO Based Transparent TFTscitations
Places of action
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article
Photocatalytic behavior of TiO2 films synthesized by microwave irradiation
Abstract
Titanium dioxide was synthesized on glass substrates from titanium (IV)isopropoxide and hydrochloride acid aqueous solutions through microwave irradiation using as seed layer either fluorine-doped crystalline tin oxide (SnO2:F) or amorphous tin oxide (a-SnOx). Three routes have been followed with distinct outcome: (i) equimolar hydrochloride acid/water proportions (1HCl:1water) resulted in nanorod arrays for both seed layers; (ii) higher water proportion (1HCl:3water) originated denser films with growth yield dependent on the seed layer employed; while (iii) higher acid proportion (3HCl:1water) hindered the formation of TiO2. X-ray diffraction (XRD) showed that the materials crystallized with the rutile structure, possibly with minute fractions of brookite and/or anatase. XRD peak inversions observed for the materials synthesized on crystalline seeds pointed to preferred crystallographic orientation. Electron diffraction showed that the especially strong XRD peak inversions observed for TiO2 grown from the 1HCl:3water solution on SnO2:F originated from a [001] fiber texture. Transmittance spectrophotometry showed that the materials with finer structure exhibited significantly higher optical band gaps. Photocatalytic activity was assessed from methylene blue degradation, with the 1HCl:3water SnO2:F material showing remarkable degradability performance, attributed to a higher exposure of (001) facets, together with stability and reusability.