
Nano tungsten trioxide, one of the transition metal oxides, is more and more widely applied for producing exhibition hall heat insulating glass coating. Such coating is transparent for coating on the glasses of the exhibition halls to form an electrochromic film. And then, these glasses will turn into smart glasses. More details, please visit: http://www.tungsten-powder.com/tungsten-oxide.html You know, since the discovery of the electrochromic (EC) effect in transition metal oxides in the mid-1960s, intense research and development work spanning four decades…