Tungsten trioxide powder may be used to produce a new type of dingal glass, namely electrochromic glass, also known as smart glass, which can be said to be an energy efficient building glass. The reason why experts from all over the world began to study smart glass is mainly to solve the different requirements of glass heat insulation performance in different climate regions and different seasons.
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The tungsten oxide electrochromic glass is composed of common glass and tungsten oxide electrochromic material, so the adjustment of the light transmission (or absorption) property caused by tungsten oxide nanoparticles under the electric field is realized, and the illuminance is adjusted by people’s wishes. At the same time, the electrochromic system can reduce the amount of energy that a building must consume in the summer to keep it cool and to keep it warm in winter by selectively absorbing or reflecting external heat radiation and preventing internal heat diffusion. After long-term experimental research, smart glass of tungsten oxide nanoparticles, which works on the principle of electrochromism, has been put into production. Therefore, glass has entered the era of intelligence.
