Yellow Tungsten Oxide Nanopowder Applied for Smart Window

Yellow tungsten oxide nanopowder, namely tungsten trioxide nano powder, may be applied in smart window, as a cathode electrochromic material, more specifically, as the most widely studied cathode electrochromic material, which has the advantages of large light modulation range and better cycle stability. And such smart window glass is more and more widely used in villa for high transparency and high heat insulation.

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Therefore, researchers have prepared high-performance porous nanostructured tungsten trioxide electrochromic thin films by various methods, including hydrothermal method, sol-gel method, anodizing method, electrochemical deposition method and sputtering method. Among them, the hydrothermal method has the advantages of simple operation and low cost so that it is widely used in the preparation of tungsten trioxide electrochromic films. And the tungsten trioxide electrochromic films prepared at a lower cost will be more and more popular in people. In the future, people can buy better heat insulating films with less money.

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