Tungsten Trioxide Nanopowder Applied for Smart Window

Tungsten trioxide nanopowder is an important raw material for the preparation of a smart window. The prepared all-solid smart window is often applied in smart buildings to play the role of heat insulation, energy conservation and consumption reduction. Experts have prepared smart heat insulating windows with better electrochromic reversibility and optical adjustment characteristics, which are structured with V2O5/solid lithium ion conductor/WO3.

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

The smart energy-saving window of WO3 film as an EC layer material has a certain transmittance (less than 20%) in the visible light region in coloring state. Also, the transmittance is almost zero in the near-infrared region. That is to say, such window has good thermal insulation performance without affecting lighting during coloring process. In the bleaching state, the transmittance is high; especially the near-infrared transmittance of the smart glass of inorganic Li ions is over 60%, which is suitable for temperate winter. Therefore, the smart window of this structure is likely to become one of the preferred materials for future commercial applications.

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