Academic literature on the topic 'Tungsten oxide (VI)'

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Journal articles on the topic "Tungsten oxide (VI)"

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Bonsu, Richard O., Hankook Kim, Christopher O'Donohue, et al. "Partially fluorinated oxo-alkoxide tungsten(vi) complexes as precursors for deposition of WOx nanomaterials." Dalton Trans. 43, no. 24 (2014): 9226–33. http://dx.doi.org/10.1039/c4dt00407h.

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Medvezhynska, Olha, and Anatoliy Omel'chuk. "(Digital Presentation) Electrochemical Reduction of Pressed Tungsten (VI) Oxide on a Solid Electrode in a Melt of Calcium and Sodium Chlorides." ECS Meeting Abstracts MA2023-01, no. 21 (2023): 1546. http://dx.doi.org/10.1149/ma2023-01211546mtgabs.

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This report presents the results of research on the electrochemical reduction of tungsten (VI) oxide in a molten electrolytic mixture of CaCl2-NaCl of eutectic composition. The electrochemical behavior of tableted WO3 on a solid tungsten electrode was studied by voltammetry. Analysis of the obtained products was carried out by X-Ray diffraction and electron microscopy. During the electrochemical reduction, pressed cylindrical samples were placed on a tungsten disk, which served as a cathode. A silica cloth impregnated with a CaCl2-NaCl eutectic melt was placed on top of the tableted sample in
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Köppen, Martin. "Comparative Study of the Reactivity of the Tungsten Oxides WO2 and WO3 with Beryllium at Temperatures up to 1273 K." Condensed Matter 4, no. 3 (2019): 82. http://dx.doi.org/10.3390/condmat4030082.

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Tungsten oxides play a pivotal role in a variety of modern technologies, e.g., switchable glasses, wastewater treatment, and modern gas sensors. Metallic tungsten is used as armor material, for example in gas turbines as well as future fusion power devices. In the first case, oxides are desired as functional materials; while in the second case, oxides can lead to catastrophic failures, so avoiding the oxidation of tungsten is desired. In both cases, it is crucial to understand the reactivity of tungsten oxides with other chemicals. In this study, the different reactivities of tungsten oxides w
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Oakton, Emma, Georges Siddiqi, Alexey Fedorov, and Christophe Copéret. "Tungsten oxide by non-hydrolytic sol–gel: effect of molecular precursor on morphology, phase and photocatalytic performance." New Journal of Chemistry 40, no. 1 (2016): 217–22. http://dx.doi.org/10.1039/c5nj01973g.

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Pokhrel, Suman, and K. S. Nagaraja. "Electrical and humidity sensing properties of molybdenum(VI) oxide and tungsten(VI) oxide composites." physica status solidi (a) 198, no. 2 (2003): 343–49. http://dx.doi.org/10.1002/pssa.200306606.

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Katashev, Pavel A., Vladimir V. Tomaev, Nikolay E. Shtompel, Alexander A. Eruzin, Sergey V. Mjakin, and Maxim M. Sychov. "EFFECT OF PERIODIC MODULATION OF MAGNETRON SPUTTERING DEPOSITION ANGLE OF TUNGSTEN OXIDE LAYERS UPON THEIR ELECTRICAL CHARACTERISTICS." Bulletin of the Saint Petersburg State Institute of Technology (Technical University) 70 (2024): 21–25. http://dx.doi.org/10.36807/1998-9849-2024-70-96-21-25.

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Submicron tungsten oxide (WO3) layers of 50-250 nm thickness were obtained by magnetron deposition. The resulting films structure was adjusted in the course of magnetron sputtering using a method based on the modulation of electrochromic tungsten oxide (VI) deposition angle developed in our earlier studies. The prepared WO3 layers were used for the manu-facture of electrochromic devices which electrical characteristics were studied by cyclic volt-amper¬ometry using a three-electrode connection scheme. Based on the obtained data, coefficients of Li+ ions diffusion were calculated and found to f
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Surovoi, E. P., and S. V. Bin. "Thermal transformations in nanosized tungsten(VI) oxide films." Russian Journal of Physical Chemistry A 87, no. 3 (2013): 473–78. http://dx.doi.org/10.1134/s0036024413030308.

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Sundaram, R., and K. S. Nagaraja. "Electrical and humidity sensing properties of lead(II) tungstate–tungsten(VI) oxide and zinc(II) tungstate–tungsten(VI) oxide composites." Materials Research Bulletin 39, no. 4-5 (2004): 581–90. http://dx.doi.org/10.1016/j.materresbull.2003.12.014.

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Díaz Reyes, Joel, Aarón Pérez-Benítez, and Valentín Dorantes. "Síntesis sencilla de óxido de tungsteno(VI) a partir del filamento de un foco." Educación Química 19, no. 4 (2011): 341. http://dx.doi.org/10.22201/fq.18708404e.2008.4.25865.

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<span>Tungsten(VI) oxide can be easily synthesized starting from a standard light bulb. The reaction consists in the oxidation at high temperatures (T ≈ 2000 – 3000° C) of a tungsten filament in presence of air; conditions which can be easily achieved by connecting a broken light bulb (but with its intact filament) to an AC-power supply of 110 volts. The vapor of WO3 is condensed into a beaker in a quantity enough to be characterized by infrared spectroscopy. The experiment is very funny, inexpensive and allows to the teacher to link several topics in current chemistry and physics of the
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Speirs, M. J., B. G. H. M. Groeneveld, L. Protesescu, C. Piliego, M. V. Kovalenko, and M. A. Loi. "Hybrid inorganic–organic tandem solar cells for broad absorption of the solar spectrum." Phys. Chem. Chem. Phys. 16, no. 17 (2014): 7672–76. http://dx.doi.org/10.1039/c4cp00846d.

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Dissertations / Theses on the topic "Tungsten oxide (VI)"

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Finlayson, A. P. "Synthesis, characterisation and modelling of tungsten(VI) oxide based visible light photocatalysts." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599030.

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Alloying of WO<sub>3</sub> with Bi<sub>2</sub>O<sub>3</sub> by solid-state inter-diffusion has been studied through the synthesis and characterisation of two intermediate phases, Bi<sub>2</sub>WO<sub>6 </sub>and Bi<sub>6</sub>WO<sub>12</sub>. Optical measurements indicate that neither compound demonstrates significantly improved visible light absorption compared to Bi<sub>2</sub>O<sub>3 </sub>or WO<sub>3</sub>. Sol-gel synthesis of WO<sub>3</sub> using the H<sub>2</sub>WO<sub>4(aq)</sub>-ethanol Augustynski method has been investigated via thermal analysis and characterisation of the product f
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Michalak, Franck. "Étude d'électrodes composites polymères/oxydes colloidaux : application aux systèmes électrochromes sur supports souples." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0091.

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Au cours de ce travail, nous avons etudie des electrodes composites polymeres/oxydes colloidaux en vue d'application aux systemes electrochromes sur supports souples. Ces composites sont constitues d'un materiau electrochrome colloidal (wo#3, iro#2) et d'un polymere ionique (nafion) ou neutre (polyacrylamide, polymethylmetacrylate, polyvinylbutyral). Nous avons etudie la synthese de ces oxydes dans le but d'obtenir un materiau colloidal stable de taille inferieure a 100 nm. Nous avons obtenu des sols de wo#3 stables contenant des particules ayant un diametre moyen de 10 nm. Les composites wo#3
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Rezrazi, El Mustafa. "Obtention par voie électrochimique et étude de quelques propriétés électrochromes de l'oxyde de tungstène WO3." Besançon, 1987. http://www.theses.fr/1987BESA2004.

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Preparation des couches electrochromes de wo::(3) par oxydation anodique sous courant pulse. Caracteristiques electrooptiques. Proprietes thermodynamiques des bronzes h::(x)wo::(3) et li::(x)wo::(3) responsables du phenomene coloration-decoloration
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Grey, Paul. "Development of electrochromic thin-film transistors on flexible substrate." Master's thesis, 2014. http://hdl.handle.net/10362/14327.

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This work documents the fabrication and characterization of electrochromic thin-film transistors (ECTFTs) based on tungsten oxide (WO3). The ECTFTs exhibit double functionality (optical and electrical modulation) and were deposited on Corning glass and polyethylene naphthalate (PEN) by radio-frequency (RF) magnetron sputtering in an argon-oxygen atmospherewith no intentional substrate heating. The resulting amorphous WO3film connects source and drain in a planar configuration with three different architectures(conventional, interdigital
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Book chapters on the topic "Tungsten oxide (VI)"

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Hutchins, MG, NS Butt, and AJ Topping. "Electrochromic Tungsten Oxide Thin Films." In World Renewable Energy Congress VI. Elsevier, 2000. http://dx.doi.org/10.1016/b978-008043865-8/50048-9.

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Conference papers on the topic "Tungsten oxide (VI)"

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Fatimah, Is, Eka Akbar Kurniastuti, and Hideya Kawasaki. "Tungsten (VI) oxide and titanium dioxide doping with gold nanocluster (Au NCs) for photocatalytic enhancement in methylene blue photodegradation." In PROCEEDINGS OF THE 3RD INTERNATIONAL SEMINAR ON METALLURGY AND MATERIALS (ISMM2019): Exploring New Innovation in Metallurgy and Materials. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0002640.

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