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Tungsten trioxide is an important electrochemical material for saving energy and protecting environment. You know, many people are becoming aware of the importance of renewable energy resources with the growth of world population and the subsequent growth of demands for energy. While the uncontrollable and periodic nature of these energy resources has intensified the need for an efficient energy savers system. More details, please visit: http://tungsten-oxide.com/index.html In this regard, electrochromic devices, which are formed of electrochromic materials, electrolytes and electrodes,…

It has been reported that some experts fabricated nanocrystalline tungsten oxide based NO2 sensor by thin film microfabrication technique. And the sensitivity of this NO2 sensor was at parts per billion (ppb) level. More details, please visit: http://tungsten-oxide.com/index.html In the study, the experts prepared the porous nanocrystalline tungsten oxide film from WCl6 by a sol-gel technique, and investigated the surface morphology and sensitivity to NO2 of the tungsten oxide films calcined at various temperatures. Also, they carried out the NO2…

Tungsten oxide nano-urchins are paid much attention due to good electrochromic performance. You know, tungsten oxide as an inorganic electrochromic material has attracted considerable attention as it is promising in applications of electrochromic glass – energy-saving smart glass having high shielding performance to near-infrared rays and high transmittance to visible light. More details, please visit: http://tungsten-oxide.com/index.html Some experts have studied the electrochromic performance of the novel crystalline tungsten oxide nano-urchins comprised of W18O49 nanowires added to the sphere shell. The…

W18O49 is an important material for fabricating infrared-shielding film, to sufficiently transmit visible rays and shield invisible near-infrared rays. Some experts prepared W18O49 powder by heating a mixture containing a predetermined amount of a tungsten compound at 550 °C in a reductive atmosphere for 1 h, then cooled to room temperature once in an argon atmosphere. More details, please visit: http://tungsten-oxide.com/index.html The experts mixed W18O49 powder, the solvent, and the dispersant, then subjected to dispersion treatment to obtain a dispersion…

Recently, tungsten-oxide-based material has received considerable attention among various photothermal nanomaterials because of its ability to absorb near-infrared light and its efficient light-to-heat conversion properties. In addition, tungsten-oxide-based material has an unusual oxygen defect structure and strong surface plasma resonance, which offers strong photoabsorption in a broad wavelength range of the near-infrared light region. More details, please visit: http://tungsten-oxide.com/index.html In the past, several light-absorbing nanomaterials such as noble metals, polymeric materials, and other inorganic nanomaterials were of interest for their…

Some experts have proposed a preparation method of inorganic all-solid WO3 electrochromic device. Wherein, the inorganic all-solid electrochromic device has a nickel oxide-zirconia-tungsten oxide stacked structure, and silver nanowires are spin-coated on the stacked structure. More details, please visit: http://tungsten-oxide.com/index.html A Preparation Method of Inorganic All-solid WO3 Electrochromic Device Step 1: Dissolve 1.224 g of nickel acetate in 10 mL of ethylene glycol monomethyl ether, add 0.5 mL of ethanolamine as a stabilizer, heat and stir at 60 °C in…

The position of the valence band of WO3 is higher than that of TiO2. Therefore, the holes in the valence band of WO3 can migrate to the valence band of TiO2 to promote the transfer and separation of electron holes and improve the photocatalytic efficiency. Therefore, composite semiconductor TiO2-WO3 has gradually become a research hotspot. Well, do you know how to prepare TiO2-WO3 photocatalyst? More details, please visit: http://tungsten-oxide.com/index.html Preparation of TiO2-WO3 Photocatalyst Add quantitative P25 to dilute nitric acid,…

WO3 thin film in the form of nanowires can be prepared into a gas sensor for efficient NO2 sensing. You know, NO2, mostly produced from exhaust fumes of cars and factories, has been labelled by the World Health Organization as one of the most hazardous air pollutants. Although metal oxide-based thin films have been employed to detect NO2 earlier, significant challenges remain to be addressed particularly at low detection limits. This is presumably undermined by the low surface area and…

Tungsten oxide is an idea material for NO2 sensing. It has been reported that tungsten oxide based gas sensors exhibit excellent NO2 sensing properties to cover environmental standard of NO2. The experts have done researches to investigate several properties of nano crystallites of tungsten oxide including NO2 sensing characteristics. More details, please visit: http://tungsten-oxide.com/index.html In this study, an aqueous sol dispersing nano crystallites of WO3·2H2O was subjected to a centrifugal treatment for 1 or 10 h, to obtain two kinds…

Tungsten oxide is an electrochromic material that has been widely used as an electrochromic layer for assembling a new smart glass. The researchers have selected nano composite materials of tungsten oxide and niobium oxide to create such a smart glass. The substrate of the smart glass is amorphous niobium oxide, in which a tungsten oxide nanocrystal mesh-like structure is embedded. Although the two materials are electrochromic materials, their absorption spectra are different when they change color. Tungsten oxide nanocrystals absorb…