Tungsten Oxide Nano Particles Applied for New Energy Efficient Building Glass

Tungsten oxide nano particles for new energy efficient building glass are a kind of cathode discoloration material, which has large discoloration amplitude and good cyclic discoloration reversibility. Also, the tungsten oxide nanoparticles can be prepared by a method suitable for large-area production - a reactive magnetron sputtering coating method. And WO3 is the core material of choice for the preparation of solid all-inorganic electrochromic devices. These electrochromic devices are often applied in building.

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However, tungsten trioxide has both problems of poor durability. And its cycle life needs to be improved. Considering that the electrochromic device used as a building smart window needs to have the same life as the building, improving the cycle life and durability of WO3 is one of the core research issues in the large-scale manufacturing and application of electrochromic devices under the premise of ensuring the core performance such as discoloration amplitude and discoloration rate.

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