Academic literature on the topic 'Bismuth tungstate'

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Journal articles on the topic "Bismuth tungstate"

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Smilyk, Vitaliy, Sergii Fomaniyk, Gennady Kolbasov, Igor Rysetskiy, and Michael Danilov. "PHOTOELECTROCHEMICAL PROPERTIES OF FILMS BASED ON BISMUTH AND COPPER VANADATES." Ukrainian Chemistry Journal 87, no. 1 (2021): 3–12. http://dx.doi.org/10.33609/2708-129x.87.01.2021.3-12.

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Films of bismuth and nickel tungstates were obtained by chemical and electrochemical synthesis. Bismuth tungstate was obtained by ionic layering and electrochemical deposition. Nickel tungstate (NiWO4) was obtained by combined synthesis methods: 1st - electrochemical synthesis and 2nd - combined electrochemical and thermochemical synthesis. The obtained materials have good adhesion with an optically transparent SnO2 substrate. It is shown that the mechanism of electrochemical formation of Bi2WO6 and NiWO4 films is similar to the processes of WO3 formation as a result of electroreduction of per
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Lu, Shi-Yu, Ya-Nan Yu, Shu-Juan Bao, and Sheng-Hui Liao. "In situ synthesis and excellent photocatalytic activity of tiny Bi decorated bismuth tungstate nanorods." RSC Advances 5, no. 104 (2015): 85500–85505. http://dx.doi.org/10.1039/c5ra15406e.

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Sayyed, Mohammed I., Gandham Lakshminarayana, Mustafa R. Kaçal, and Ferdi Akman. "Radiation protective characteristics of some selected tungstates." Radiochimica Acta 107, no. 4 (2019): 349–57. http://dx.doi.org/10.1515/ract-2018-3062.

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Abstract The mass attenuation coefficients (μ/ρ) of calcium tungstate, ammonium tungsten oxide, bismuth tungsten oxide, lithium tungstate, cadmium tungstate, magnesium tungstate, strontium tungsten oxide and sodium dodecatungstophosphate hydrate were measured at 14 photon energies in the energy range of 81–1333 keV using 22Na, 54Mn, 57Co, 60Co, 133Ba and 137Cs radioactive sources. The measured μ/ρ values were compared with those obtained from WinXCOM program and the differences between the experimental and theoretical values were very small. The bismuth tungsten oxide has the highest μ/ρ among
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Gudim I. A., Eremin E. V., Mikhashenok N. V., and Titova V. R. "Comparison of magnetic properties of GdFe-=SUB=-3-=/SUB=-(BO-=SUB=-3-=/SUB=-)-=SUB=-4-=/SUB=-, ferroborates grown using various solvents." Physics of the Solid State 65, no. 2 (2023): 235. http://dx.doi.org/10.21883/pss.2023.02.55406.505.

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GdFe3(BO3)4, single crystals were grown from melt-solutions based on bismuth trimolybdate and lithium tungstate. Single crystals of gadolinium ferroborate from lithium-tungstate solution-melt were grown for the first time. The magnetic properties of the grown crystals are compared. It is shown that the GdFe3(BO3)4, ferroborate obtained using bismuth solution-melt trimolybdate contains impurities of Bi3+ ions (6% at.), which replace Gd3+ ions. Whereas GdFe3(BO3)4, ferroborate grown from a solution-melt based on lithium tungstate does not seem to contain such uncontrolled impurities. Keywords: c
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Shail, Kulshrestha, K. Dabral S., and P. S. Muktawat K. "Bismuth tungstate inorganic ion exchanger- an absorbent for thin layer chromatography of organic acids." Journal Of Indian Chemical Society Vol.78, Jul 2001 (2001): 374–76. https://doi.org/10.5281/zenodo.5878689.

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Department of Chemistry, Government Post-Graduate College, Rishikesh-249 201, India <em>Manuscript received 24 March 2000, revised 18 October 2000, accepted 10 February 2001</em> A Crystalline inorganic ion exchanger, bismuth tungstate has been found to be a usefull&nbsp;absorbent for thin layer chromatographic separation of organic acids. The behavior of 19 organic acids has been studied on bismuth tungstate thin layers by utilizing several developing solvents of different nature. Efforts are also made for binary and ternary separations of bioanalytically important organic acids.
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Campos, Nobre, Filho, et al. "High Photocatalytic Activity under Visible Light for a New Morphology of Bi2WO6 Microcrystals." Catalysts 9, no. 8 (2019): 667. http://dx.doi.org/10.3390/catal9080667.

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In this work, a new morphology was obtained for bismuth tungstate (Bi2WO6-glyc) using a hydrothermal method with the addition of glycerol as a surfactant. In order to compare, the bismuth tungstate without glycerol as the surfactant, i.e., Bi2WO6, was synthesized. Structural characterization by XRD and Rietveld refinement confirmed the orthorhombic structure as a single phase for all samples with high crystallinity. All active modes in Raman spectroscopy for the orthorhombic phase of bismuth tungstate were confirmed in agreement with XRD analysis. N2 adsorption/desorption and size pore distrib
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Huang, Cong, Leilei Chen, Haipu Li, Yanguang Mu, and Zhaoguang Yang. "Synthesis and application of Bi2WO6 for the photocatalytic degradation of two typical fluoroquinolones under visible light irradiation." RSC Advances 9, no. 48 (2019): 27768–79. http://dx.doi.org/10.1039/c9ra04445k.

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Elaouni, Aicha, M. El Ouardi, A. BaQais, M. Arab, M. Saadi, and H. Ait Ahsaine. "Bismuth tungstate Bi2WO6: a review on structural, photophysical and photocatalytic properties." RSC Advances 13, no. 26 (2023): 17476–94. http://dx.doi.org/10.1039/d3ra01987j.

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Vazhenin, V. A., A. P. Potapov, G. R. Asatryan, and M. Nikl. "Photosensitive bismuth ions in lead tungstate." Physics of the Solid State 55, no. 4 (2013): 803–6. http://dx.doi.org/10.1134/s1063783413040343.

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Sheng, Jian Guo, and Yu Di Shan. "Study on Characterization and Preparetion of Bismuth Tungstate." Advanced Materials Research 988 (July 2014): 70–74. http://dx.doi.org/10.4028/www.scientific.net/amr.988.70.

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With the solvent of ethylene glycol, it is synthetized the bismuth tungstate(BWO) catalyst with controllable morphology. By using X ray powder diffraction(XRD) and the scanning electron microscope(SEM and TEM), the products are characterized. It is found that glycerol content can affect the morphology and structure of bismuth tungstate. The result is as follows: BWO is amorphous powder, and in front of the high temperature, it is a roasting scheelite layered structure, for nano single crystal phase. After high temperature roasting, it is changed into amorphous powder, and reunion. The oxidatio
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Dissertations / Theses on the topic "Bismuth tungstate"

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Echevarria, Mikel Andoni. "Molecular precursors for the solution deposition of lead germanate and bismuth tungstate films." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327319.

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Lavergne, Marie-Anne. "Synthèse et caractérisation d'oxydes mixtes de bismuth pour la photocatalyse dans le visible." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066236/document.

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L'objectif de ce travail est d'améliorer les performances photocatalytiques de deux oxydes mixtes de bismuth, Bi2WO6 et BiOBr, présentant une activité sous lumière visible. Leurs activités photocatalytiques sont en effet majoritairement limitées par un taux de recombinaison des charges photoinduites élevé. Deux stratégies différentes ont été respectivement appliquées pour chaque matériau. La première consiste à former une hétérostructure entre Bi2WO6 et un métal noble, le platine, pour assurer une séparation efficace des charges. La seconde consiste à réduire la taille des particules de BiOBr
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Lavergne, Marie-Anne. "Synthèse et caractérisation d'oxydes mixtes de bismuth pour la photocatalyse dans le visible." Electronic Thesis or Diss., Paris 6, 2014. http://www.theses.fr/2014PA066236.

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L'objectif de ce travail est d'améliorer les performances photocatalytiques de deux oxydes mixtes de bismuth, Bi2WO6 et BiOBr, présentant une activité sous lumière visible. Leurs activités photocatalytiques sont en effet majoritairement limitées par un taux de recombinaison des charges photoinduites élevé. Deux stratégies différentes ont été respectivement appliquées pour chaque matériau. La première consiste à former une hétérostructure entre Bi2WO6 et un métal noble, le platine, pour assurer une séparation efficace des charges. La seconde consiste à réduire la taille des particules de BiOBr
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Dittmer, Arne [Verfasser], Martin [Akademischer Betreuer] Muhler, and Wolfgang [Akademischer Betreuer] Grünert. "Synthesis and characterization of bismuth tungstate-supported molybdena catalysts for the selective oxidation of propene and 1-butene / Arne Dittmer. Gutachter: Martin Muhler ; Wolfgang Grünert." Bochum : Ruhr-Universität Bochum, 2016. http://d-nb.info/1099703824/34.

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Wollmann, Philipp. "Synthese und Funktion nanoskaliger Oxide auf Basis der Elemente Bismut und Niob." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-85784.

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Am Beispiel von ferroelektrischen Systemen auf Bismut-Basis (Bismutmolybdat, Bismutwolframat und Bismuttitanat) und von Strontiumbariumniobat werden neue Möglichkeiten zur Synthese solcher Nanopartikel aufgezeigt. Die Integration der Nanopartikel in transparente Nanokompositmaterialien und die Entwicklung neuer Precursoren für die Herstellung von Dünnschichtproben gehen den Untersuchungen zur Anwendung als elektrooptische aktive Materialien voraus. Durch weitere Anwendungsmöglichkeiten in der Photokatalyse, dem Test dampfadsorptiver Eigenschaften mit Hilfe eines neuartigen Adsorptionstesters (
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Hilliard, Samantha. "Photocatalyse de décomposition de l'eau : conception et construction d'une cellule photoelectrocatalyique pour la photodissociation de l'eau." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066034/document.

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La photoelectrocatalyse de l'eau par rayonnement solaire est une solution communément proposée pour la production propre d'hydrogène. En termes de rendement solaire-à-hydrogène, un tandem dual photosystème est accepté comme la configuration plus efficace concernant les cellules photoelectrocatalytique pour la dissociation de l'eau. Ce travail s'intéresse au trioxyde de tungstène (WO3) et au bismuth vanadate (BiVO4) sous la forme de photoanodes type n en couches minces pour la complétion d'oxydation de l'eau dans la demi-réaction pour la dissociation complète de l'eau dans une cellule tandem du
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Hilliard, Samantha. "Photocatalyse de décomposition de l'eau : conception et construction d'une cellule photoelectrocatalyique pour la photodissociation de l'eau." Electronic Thesis or Diss., Paris 6, 2016. http://www.theses.fr/2016PA066034.

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La photoelectrocatalyse de l'eau par rayonnement solaire est une solution communément proposée pour la production propre d'hydrogène. En termes de rendement solaire-à-hydrogène, un tandem dual photosystème est accepté comme la configuration plus efficace concernant les cellules photoelectrocatalytique pour la dissociation de l'eau. Ce travail s'intéresse au trioxyde de tungstène (WO3) et au bismuth vanadate (BiVO4) sous la forme de photoanodes type n en couches minces pour la complétion d'oxydation de l'eau dans la demi-réaction pour la dissociation complète de l'eau dans une cellule tandem du
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Wollmann, Philipp. "Synthese und Funktion nanoskaliger Oxide auf Basis der Elemente Bismut und Niob." Doctoral thesis, 2011. https://tud.qucosa.de/id/qucosa%3A25960.

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Am Beispiel von ferroelektrischen Systemen auf Bismut-Basis (Bismutmolybdat, Bismutwolframat und Bismuttitanat) und von Strontiumbariumniobat werden neue Möglichkeiten zur Synthese solcher Nanopartikel aufgezeigt. Die Integration der Nanopartikel in transparente Nanokompositmaterialien und die Entwicklung neuer Precursoren für die Herstellung von Dünnschichtproben gehen den Untersuchungen zur Anwendung als elektrooptische aktive Materialien voraus. Durch weitere Anwendungsmöglichkeiten in der Photokatalyse, dem Test dampfadsorptiver Eigenschaften mit Hilfe eines neuartigen Adsorptionstesters (
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Book chapters on the topic "Bismuth tungstate"

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Nishida, Masaya, Hiroaki Takeda, Takashi Nishida, and Tadashi Shiosaki. "Syntheisis and Characterization of Bismuth Tungstate Crystals by Solution Growth Technique." In Electroceramics in Japan X. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-449-9.81.

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Amano, Fumiaki. "Preparation and Characterization of Bismuth Tungstate Polycrystalline Flake-Ball Particles for Photocatalytic Reactions." In Nanostructured Photocatalysts. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-26079-2_22.

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Xie, Lijin, Junfeng Ma, Jun Zhou, et al. "Morphologies-Controlled Synthesis and Optical Properties of Bismuth Tungstate Nanocrystals by a Low-Temperature Molten Salt Method." In Progress in Nanotechnology. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9780470588260.ch24.

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Conference papers on the topic "Bismuth tungstate"

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Radha, R., M. Sakar, S. Bharathkumar, and S. Balakumar. "Sunlight driven photocatalytic water splitting using nanostructured bismuth tungstate (Bi2WO6)." In DAE SOLID STATE PHYSICS SYMPOSIUM 2016. Author(s), 2017. http://dx.doi.org/10.1063/1.4980264.

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Kolhe, P. S., P. K. Bankar, D. S. Gavhane, K. M. Sonawane, N. Maiti, and M. A. More. "Synthesis of bismuth tungstate (Bi2WO6) nanoflakes and their field emission investigation." In DAE SOLID STATE PHYSICS SYMPOSIUM 2015. Author(s), 2016. http://dx.doi.org/10.1063/1.4948101.

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Hizhnyi, Yu, S. Nedilko, V. Chornii, K. Terebilenko, I. Zatovsky, and V. Boyko. "Electronic structure and VUV spectroscopy of bismuth-containing phosphate-tungstate crystals." In 2014 IEEE International Conference on Oxide Materials for Electronic Engineering (OMEE). IEEE, 2014. http://dx.doi.org/10.1109/omee.2014.6912395.

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Priscilla, D. Trixy Nimmy, D. Nadhiya, S. Priya, P. Jayabharathi, and G. Srinivasan. "Solvothermal synthesis and material characterization of bismuth tungstate (Bi2WO6) micro/nanoparticles: A comparative study." In DAE SOLID STATE PHYSICS SYMPOSIUM 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0016990.

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