WO3 porous film has excellent electrochromic properties so that it can be used to assemble electrochromic devices such as smart windows. And such smart windows have good heat insulation and heat preservation performance with high transparency. With the application of WO3 smart windows in the field of building, more and more people have begun to pay attention to tungsten trioxide electrochromic films including their preparation. So, do you know how to prepare a tungsten trioxide film? More details, please visit:…

Cesium tungsten bronze can be used to prepare a new type of environmentally friendly near-infrared absorption film. Well, do you know how to produce a near-infrared absorption film using cesium tungsten bronze as a dingal material? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html To date, cesium tungsten bronze nano particles have been synthesized by solid state, hydrothermal, water controlled-release solvothermal, and thermal plasma synthesis methods. Among these approaches, the solid state synthesis method has been widely used to produce nano particle size…

Violet tungsten oxide nanopowder can be applied for preparing near-infrared shielding material. You know, the WO2.72 nanostructures can be synthesized by hydrothermal and solvothermal methods. Here are some examples of the preparation of WO2.72 by the two method. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html WO2.72 nanorods can be prepared by the hydrothermal method using H2WO4 and Na2SO4 as raw materials at 160°C for 24 h. The WO2.72 nanorods can also be synthesized hydrothermally by reducing the (NH4)xWO3+x/2 and using sulfate as…

Violet tungsten oxide for infrared shielding material is also known as W18O49 or WO2.72. According to the experts, such an infrared shielding material can be a near-infrared shielding film, which transmits visible light, and at the same time, effectively shields invisible near-infrared rays with a wavelength of 780nm or above. So, how to prepare an infrared shielding material using W18O49 as a raw material? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html A certain amount of a tungsten compound was weighed, heated at…

Violet tungsten oxide, or WO2.72, has received considerable attention for its use in the preparation of infrared-shielding material, which can be used for smart windows in automobiles and buildings. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Some experts developed WO2.72 nanorods coated on a quartz glass. Excellent heat-insulating performance was realized even after the WO2.72 nanorods on a quartz glass were irradiated for 1 h, when the inner temperature was increased to only 26.2 °C, which was much lower than the temperatures…

Violet tungsten oxide, or WO2.72, for preparing infrared shielding material microparticle, is a type of semiconductor-based material. WO2.72 is also known as a NIR-absorbing photothermal material (PTM). More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html According to the experts, the first and foremost requirement of a PTM is that it must have a light-absorption capability. During the last few decades, various PTMs with strong light absorbance have been investigated for wide solar spectra. Because of their NIR responsive properties, the photothermal conversion dynamics…

Violet tungsten oxide, or WO2.72, can be applied for preparing heat-ray shielding dispersion. And the prepared dispersion is often used to produce heat-shielding coating. And then the heat insulation coating has a wide application in the glass windows and glass doors of buildings. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Violet tungsten oxide, one of the tungsten oxide materials, is often discussed and studied on properties, preparation methods and applications. You know, WO3, which consists of perovskite units, is one of the…

Nano violet tungsten oxide, also known as W18O49 or WO2.72, is a good raw material for producing NIR shielding material, i.e., near-infrared shielding material, such as WO2.72/polyurethane (PU) nanocomposites. According to the experts, among the non-stoichiometry tungsten oxides, monoclinic WO2.72 has received considerable interest due to its distinctive oxygen defect structure and intense near-infrared photoabsorption. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html For example, the experts demonstrated the photothermal conversion properties of WO2.72/PU nanocomposites using a UV-Vis NIR spectrometer. The transmittance values…

Nano grain size violet tungsten oxide, or WO2.7, can be applied for the preparation of near-infrared shielding material. The non-stoichiometric properties of WO2.72 have been an interesting topic over the past decades. As the near-infrared absorbing properties of violet tungsten oxide have received greater attention recently, the photothermal performance of tungsten trioxide (WO3) in other optical regions has also been investigated. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html In addition, many other forms of WO3−x such as WO2.9 and WO2.83, which generally…

Tungsten trioxide, or WO3, is a new type of electrochromic material for preparing electrochromic film, and then the prepared thin film can be applied to the French windows for obtaining a French window thermal insulating film. Well, do you know how to prepare tungsten trioxide nanoparticles for electrochromic applications? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Large-scale, high yield production of WO3 particles can be successfully realized by using a facile, high-temperature, catalyst-free, solid evaporation route with ammonium paratungstate tetrahydrate as raw…