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Tungsten oxide nanoparticles for transparent thermal insulation material can be prepared by a solvothermal method. For example, some experts studied the effect of solution concentration on the morphology of nano tungsten oxide produced by solvothermal method using ethanol as the alcohol solvent. Wherein, the temperature was 180°C, and the reaction time was 24h. SEM of tungsten oxide nano particles at different solution concentration using ethanol as alcohol solvent is shown as below. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html From the figure,…

Tungsten oxide nanoparticles can be said to be a type of transparent thermal insulation nanopowder. That is because the heat insulating materials produced by using tungsten oxide as raw material has high transparency. So, how tungsten oxide raw material can be prepared? What effect does the reaction time have on the prepared tungsten oxide phase? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html The tungsten oxide nano particles can be prepared by a solvothermal method. Some experts have adopted this method to prepare…

Tungsten oxide nanoparticles can be prepared by a solvothermal method. Specifically, some experts prepared WO3 nano particles by solvothermal method under the conditions of ethanol as solvent, reaction temperature of 180°C, and reaction time of 1h, 6h. And they studied the influence of reaction time on the morphology of the prepared tungsten oxide. The following figure shows the SEM of tungsten oxide nanoparticles at different times using ethanol as alcohol solvent, wherein, the reaction times of (a) and (b) were…

Tungsten oxide nanoparticles can be firstly prepared into an aqueous dispersion, and then be used for preparing a thermal insulation coating, and finally be applied to buildings or automobiles for heat insulation, heat preservation and energy conservation. Wherein, the dispersion is a high-performance heat insulation dispersion which processes the nano particle size tungsten oxide through electronic matching, grinding, homogenization, membrane filtration and other technologies. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Tungsten oxide dispersion has excellent transparency, stability, compatibility, dispersibility, heat insulation…

Tungsten oxide nanoparticles may be used to prepare a transparent thermal insulation paper, that is, a heat insulation film, and then be applied to a building glass door, glass window or a car window for heat insulation. Besides, nano tungsten oxide can also be used to prepare electrochromic windows, that is, smart windows, which can also play the role of heat insulation and energy conservation. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html So, what the optical performance of electrochromic materials relates? The…

Tungsten oxide nanoparticles may be used to produce a thermal insulation masterbatch, and then be used for preparing a building thermal insulation film or a car heat insulation film. The raw material nano particle size tungsten oxide can be prepared by a solvothermal method. So, what is the formation mechanism of solvothermal preparation of tungsten oxide? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html It is considered to be in accordance with the “smooth solution saturation precipitation” mechanism. In other words, in the…

Tungsten oxide nanoparticles may be used to produce a nano-ceramic dispersion solution, that is, a heat insulation dispersion solution, and thus be prepared into a thermal insulation film. As an environmentally-friendly building energy-saving material, tungsten oxide film has attracted more and more attention. Therefore, the preparation method of tungsten oxide nanoparticles, such as solvothermal method, has also received much attention from the industry. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html So why does solvothermal method attract widespread attention? The reasons are shown…

Tungsten oxide, mainly referred to as WO3-x, is a near infrared absorption material. Experts say that tungsten oxide nanopowder does not have the absorption of near-infrared light, so it needs to be reduced to WO3–x. So, how to reduce the tungsten oxide nano powder into WO3–x? More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html Taking nano particle size tungsten oxide as the original material, sintering in a reducing atmosphere of 350°C and 550°C [volume ratio V (H2): V (N2) = 1:9] for 1h,…

WO3 electrochromic film may be used to produce a smart window, in which the tungsten trioxide film is prepared from WO3 nanopowder. Specifically, experts say that the WO3 film can be combined with a counter electrode material such as a V2O5 film to form a smart window with better optical properties, and the reaction formula is: More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html LixWO3 + V2O5 ? WO3 + LixV2O5 Wherein, LixWO3 and V2O5 have absorption properties in the red light and…

WO3 electrochromic film is an important EC layer material for preparing electrochromic glass, that is, an electrochromic device. In general, in the actual preparation of electrochromic devices, electrochromic materials are required to have the characteristics of stable chemical properties, rapid color change response, high cycle life, reversible color change, highly sensitive color change, memory ding and good electrochemical redox reversibility. But why the light transmission rate of electrochromic glass decreases when it bleaches after repeated use? More details, please visit:…