Tungsten Trioxide Smart Glass

Tungsten Trioxide (WO3) is a kind of relatively stable tungsten oxide. Because of its electrochromic, photochromic, gas-chromic and other special properties, WO3 smart glass is a product that meets the needs of modernization. How to apply Tungsten Trioxide to smart glass?

tungsten trioxide picture

Tungsten Trioxide has become an important research hotspot of many high-tech materials due to its characteristics. Electrochromism refers to the reversible color change of materials driven by electric field. For example, in electrochromic devices, the core is an electrochromic layer, whose performance directly affects the quality of the devices. Tungsten Trioxide, as the most widely used inorganic electrochromic material, has many advantages, such as high stability, good durability, short response time, high coloring efficiency, and remarkable heat insulation effect.

WO3 electrochromic smart glass (also known as WO3 insulating glass) is a special kind of glass, which is made of a conductive film made of Tungsten Trioxide and lithium sandwiched between two pieces of glass. When a voltage of about 1 volt is applied to the thin film, Tungsten Trioxide and lithium mix and turn blue, which can isolate sunlight. How is WO3 electrochromic smart glass used in our daily life?

tungsten trioxide smart glass picture

It is reported that this WO3 electrochromic smart glass made by adding electrochromic interlayer to traditional glass is widely used in buildings, automobiles, airplanes and others, such as windows of office buildings and houses, automobile windows, airplane portholes and so on, which can effectively insulate heat and save energy. This kind of glass can improve the cooling effect of cold air in summer.  At the same time, this kind of glass does not need to add voltage, can keep the glass transparent, improve the indoor temperature in winter. The development of smart glass meets the requirements of green, low-carbon and environmental protection, and will gain a bigger market with the development of technology.

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