Tungsten(IV) oxide
Growth and structure analysis of tungsten oxide nanorods using environmental TEM
... of tungsten, as indi- cated in JCPDS card ...crystal tungsten. An amor- phous oxide layer was observed on the surface of the tungsten wire where the nanorod did not grow, but that amorphous ...
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A Modified Plasma Arc Gas Condensation Technique to Synthesize Nanocrystalline Tungsten Oxide Powders
... Field emission scanning electron microscopy was used to examine the morphology of the as-prepared tungsten oxide powders. Large irregular shaped particles can be observed in Figs. 5(a) and 5(b) ...
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Formation of tungsten oxide nanostructures by laser pyrolysis: stars, fibres and spheres
... Unlike the increasing wavelength, the increase in power density led to more ordered and shaped nanos- tructures, presumably because of the increase in energy rate. The 10.6 μ m wavelength appeared to favour the formation ...
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Chemical vapour deposition of tungsten oxide thin films from single-source precursors
... Tungsten trioxide is an important material that has received much attention over the last three decades due to an interest in three commercial applications: electrochromic devices, semiconductor photocatalysis and ...
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Persistence of tungsten oxide particle/fiber mixtures in artificial human lung fluids
... metal, oxide, and ...to tungsten compounds in the United States ...of tungsten metal is non- sag wire for light bulb filaments ...yield tungsten oxide powder intermediates which are ...
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Structural and Optical Characterization of Tungsten Oxide Nanoparticles by Wet Chemical Technique
... Nanostructure metal oxides have attracted significant attention due to their advantages over their bulk counterparts 1 . Nanostructures with high surface to volume ratio and small grain size have attracted more due to ...
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Vanadium pentoxide and tungsten oxide as substrates for enzyme immobilization in an EGFET-biosensor
... pH-EGFET sensing [8-13]. An extended gate field effect transistor (EGFET) is similar to an ion- selective field effect transistor (ISFET), but the EGFET has an extended gate electrode whose surface potential is ...
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Investigation of The Effect of Radiosensitization of Tungsten Oxide Nanoparticles on AGS Cell Line of Human Stomach Cancer in Megavoltage Photons Radiation
... that tungsten oxide nanoparticles (WO3) is a radio ...nm. Tungsten oxide Nanoparticles cause to reduce cell viability, remove membrane and damage to ...
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Aerosol assisted CVD synthesis, characterisation and gas sensing application of gold functionalised tungsten oxide
... Tungsten oxide functionalised with gold nanoparticles (NPs) has found application in photocatalysis (Xi et ...of tungsten oxide nanoneedles (NNs) deco- rated with gold NPs, which provides for ...
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Preparation and near infrared photothermal conversion property of cesium tungsten oxide nanoparticles
... of tungsten oxide nanoparticles by milling in organic medium with a dispersant agent [28], for future possible biomedical application and avoiding the use of toxic organic solvent, an aqueous milling ...
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Effect of Hydrogen Peroxide and Oxalic Acid on Electrochromic Nanostructured Tungsten Oxide Thin Films
... respectively. The obtained solution was deposited by spin coating (Polos 300 AWS- CPK Industries, USA) at 200 rpm for 60 seconds and annealed at 300 º C for 30 min in open air furnace (Carbolite, Aston Iane, Hope ...
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Tungsten Oxide Nanopowders and Nanorods Prepared by a Modified Plasma Arc Gas Condensation Technique
... that tungsten oxide nanorods are successfully synthesized as the major product (with an approximate yield of over 95%) under a reductive environ- ment when 10% H 2 is introduced into the plasma ...
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A substoichiometric tungsten oxide catalyst provides a sustainable and efficient counter electrode for dye-sensitized solar cells
... The counter electrode (CE) is regarded as one of the most important components of dye-sensitized solar cells (DSSCs) since it acts as the electron collector from the external circuit and facilitates the reduction ...
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In situ investigations of the phase change behaviour of tungsten oxide nanostructures
... tungsten oxide species. The intensity of this peak remained constant during the heating experiment, indicating the stability of the nanowires up to 350°C. To clearly show the features of the Raman shift, we ...
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Nanocrystalline Manganese Molybdenum Tungsten Oxide Anodes for Oxygen Evolution in Acidic Seawater Electrolysis
... manganese-molybdenum oxide anodes is 100%, whereas that of manganese-tungsten oxide does not attain ...but tungsten containing anode is more active for oxygen evolution reaction with long- ...
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Enabling a new method of dynamic field-effect gas sensor operation through lithium-doped tungsten oxide
... 268 and 425 cm −1 as well as the γ peaks at 71 and 134 cm −1 are clearly visible, whereas the ε peak at 372 cm −1 and the γ peak at 187 cm −1 are not pronounced much (Cazzanelli et al., 1999). As most of the ε and γ ...
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Influence of deposition parameters on the optical properties of thin tungsten oxide films prepared by reactive Dc magnetron sputtering
... Therefore, this study investigated the influence of sputtering power as well as deposition pressure on optical properties of tungsten oxide thin films.. MATERIALS AND METHODS.[r] ...
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Evaluation of Feasibility of Tungsten/Oxide Dispersion Strengthened Steel Bonding with Vanadium Insert
... Oxide dispersion strengthened (ODS) steel is also well known as one of the advanced structural materials for the fusion system with high thermal efficiency, since ODS steel has superior mechanical properties at ...
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Influence of pH Solution on the Electrodeposition of Tungsten Oxide (WO3) Films onto Indium Tin Oxide (ITO)-glass Substrate
... indium tin oxide (ITO)-coated glass (sheet resistance ~ 20 Ω/cm) substrate as working electrode, platinum as counter electrode and Ag/AgCl as reference electrode. The bath solution consisted of aqueous tungstic ...
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Development of High Strength Tungsten/Oxide Dispersion Strengthened Ferritic Steel Joints by Innovative Thermal Stress Relaxation Technique Based on Phase Transformation Induced Creep Deformation
... pure tungsten and an ODS-FS as the parent materials of joint, and three sorts of insert materials, such as S50C steel, pure iron and a V alloy, as listed in Table ...several tungsten joints produced with ...
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