
Violet tungsten oxide is a type of tungsten oxide powder that may be applied for producing an inorganic electrochromic film. And the prepared smart film may be applied to architectural glass to make the room “warm in winter and cool in summer”, thereby saving energy and reducing consumption, also reducing the cost of air conditioning for cooling and warming the room. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html However, the electrochromic response time and efficiency of tungsten oxide have yet to be…