Violet Tungsten Oxide Applied for Smart Heat Insulation Film

Violet tungsten oxide for preparing smart heat insulation film is a photochromic material. It is the violet tungsten oxide nano particles that allow common glass windows to change their color and light transmission characteristics with changes in external conditions such as sunlight, thereby achieving the purpose of heat insulation and ultraviolet resistance.

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http://www.tungsten-powder.com/tungsten-oxide.html

So, what method can be used to prepare smart film of nano violet tungsten oxide particles? Sputtering method. What is sputtering method? The sputtering method mainly uses the huge energy generated by the direct current or high frequency electric field to ionize the inert gas. After the energy is obtained by the ionized high-energy inert gas, the energy is exchanged with the atoms or molecules on the surface of the target through the impact process, and the energy is transmitted to the atoms or molecules on the surface of target, and then sputtered and eventually deposited as a thin film on the substrate.

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