Nano tungsten oxide may be used to produce thermal insulation coating with excellent photochromic properties. Tungsten oxide is also a type of electrochromic material.
It is worth noting that the reversible transformation process of tungsten oxide and tungsten bronze is always accompanied by the transfer of internal electrons and the change of tungsten valence, which will induce a color change reaction and achieve controllable adjustment of transmitted light. This feature was first discovered in 1969 and has since been widely used in electrochromic fields such as smart windows, automotive rearview mirrors, and large-area information displays.
Tungsten oxide also has other excellent properties such as photocatalytic performance and gasochromic properties, and thus it is expected to be applied to various fields such as photodecomposition of water, secondary lithium batteries, and gas sensors, etc. Certainly, tungsten oxide has many other different applications in accordance with its properties and people’s requirements. For example, it can be applied to prepare tungsten powder.
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