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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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Branquinho, Rita
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2022Solution Combustion Synthesis of Hafnium-Doped Indium Oxide Thin Films for Transparent Conductorscitations
- 2022Solution Combustion Synthesis of Hafnium-Doped Indium Oxide Thin Films for Transparent Conductorscitations
- 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
- 2020Application of ultrasonic sprayed zirconium oxide dielectric in zinc tin oxide-based thin film transistorcitations
- 2020Printed, Highly Stable Metal Oxide Thin-Film Transistors with Ultra-Thin High-κ Oxide Dielectriccitations
- 2020Printed, Highly Stable Metal Oxide Thin-Film Transistors with Ultra-Thin High-κ Oxide Dielectriccitations
- 2020Solution combustion synthesis of transparent conducting thin films for sustainable photovoltaic applicationscitations
- 2020Solution combustion synthesis of transparent conducting thin films for sustainable photovoltaic applicationscitations
- 2020Piezoelectricity Enhancement of Nanogenerators Based on PDMS and ZnSnO3 Nanowires through Microstructurationcitations
- 2019Tailoring IGZO composition for enhanced fully solution-based thin film transistorscitations
- 2018Boosting highly transparent and conducting indium zinc oxide thin films through solution combustion synthesis: Influence of rapid thermal annealingcitations
- 2016UV-Mediated Photochemical Treatment for Low-Temperature Oxide-Based Thin-Film Transistorscitations
- 2016FUV-assisted low temperature AlOx solution based dielectric for oxide TFTs
- 2015Gravure printed sol-gel derived AlOOH hybrid nanocomposite thin films for printed electronicscitations
- 2015Gravure printed sol-gel derived AlOOH hybrid nanocomposite thin films for printed electronicscitations
- 2015Morphological and optical characterization of transparent thin films obtained at low temperature using ZnO nanoparticles
- 2015A combination of solution synthesis solution combustion synthesis for highly conducting and transparent Aluminum Zinc Oxide thin filmscitations
- 2014Aqueous Combustion Synthesis of Aluminum Oxide Thin Films and Application as Gate Dielectric in GZTO Solution-based TFTscitations
- 2013Preparation and characterization of cellulose nanocomposite hydrogels as functional electrolytescitations
- 2008Adsorption and catalytic properties of SiO2/Bi2S3 nanocomposites on the methylene blue photodecolorization processcitations
Places of action
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article
Adsorption and catalytic properties of SiO2/Bi2S3 nanocomposites on the methylene blue photodecolorization process
Abstract
<p>The decolorization of aqueous solutions methylene blue (C.I. Basic Blue 9), due to the presence of nanocrystalline Bi<sub>2</sub>S<sub>3</sub>, supported on SiO<sub>2</sub> submicron particles, was investigated here. For this decolorization process, two distinct characteristics, though related, associated to the role of SiO<sub>2</sub>/Bi<sub>2</sub>S<sub>3</sub> were identified: (i) high methylene blue adsorption capability and (ii) photocatalytic activity to methylene blue photodecolorization. Effects of experimental parameters on the decolorization process, such as methylene blue and nanocomposite concentrations, pH and Bi<sub>2</sub>S<sub>3</sub> particle size were investigated. The maximum adsorption ability of the SiO<sub>2</sub>/Bi<sub>2</sub>S<sub>3</sub> was approximately 15.6 mg methylene blue per gram. The complete decolorization of a 16 ppm organic dye solution can be achieved, by an adsorption process, in an extremely short time (less than 5 min), using 1.6 g/L of SiO<sub>2</sub>/Bi<sub>2</sub>S<sub>3</sub> nanocomposite. The study of the decolorization of the dye by an adsorption-photoassisted decolorization process was carried out by irradiation of a suspension prepared with 100 mL of methylene blue solution (8 ppm) and 50 mg of SiO<sub>2</sub>/Bi<sub>2</sub>S<sub>3</sub>. In these conditions the complete decolorization of the dye, adsorbed and in the solution, was achieved in 40 min.</p>