Tungsten trioxide nanoparticles are electrochromic materials that can be used to prepare a new energy efficient glass, which is also called an electrochromic (smart) glass or an electrochromic device. The electrochromic glass is generally composed of five dingal layers plated on the surface of the glass: glass - transparent conductive layer - cathode electrochromic layer - electrolyte layer - anode electrochromic layer (ion storage layer) - transparent conductive layer - glass.
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The electrochromic layer is an electrochromic material and is the core layer of the electrochromic device. The performance of the electrochromic device is largely determined by the electrochromic material. The classification of the electrochromic layer includes an anode electrochromic layer and a cathode electrochromic layer, and WO3 belongs to a cathode electrochromic material. The electrochromic layer should meet the following technical indicators: good cycle reversibility, short color response time, long service life and good durability.
