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Photoluminescence in nano tungsten oxide is not preferred at room temperature. But why? It is reported that there is light emission in thin WO3 films at liquid nitrogen temperatures. However, the emission disappears at room temperature. So, the photoluminescence in tungsten oxide is not preferred at room temperature. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html While it is also reported that a strong photoluminescence is found in nanostructured crystalline tungsten oxide thin films at room temperature. Two kinds of films — P…

Nano tungsten oxide electrochromic thin film is a new type of heat insulation material that can be applied in the fields of smart windows, thereby saving energy without polluting the environment. There are many preparation methods. And some experts have proposed a new method for preparing tungsten oxide electrochromic film. The method is easy to operate. The preparation process is fast. The reaction conditions are mild. Moreover, the prepared nano tungsten oxide electrochromic thin film has a fast response speed.…

Nanostructured WO3 thin film, as a nano-film material with excellent electrochromic properties, is a development direction of energy-saving building materials. Well, do you know how to prepare such an energy-saving film? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html It is reported that the tungsten trioxide energy-saving film can be prepared by the PS ball template method. Some experts have prepared macroporous WO3 array films on the surface of ITO glass by using the PS ball template method. According to the experts, the…

WO3 nanotree array film has excellent electrochromic properties, so it is suitable for the preparation of electrochromic devices such as smart windows for applying to energy saving buildings. Well, do you know how to prepare a WO3 nanotree array film? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Some experts have prepared WO3 nano-tree hierarchical structure array films by hydrothermal oxidation method and hydrothermal synthesis method, respectively. The experts have grown WO3 nanotree array films with hexagonal systems directly on metal tungsten plates…

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…