Electrochromic films and related methods thereof

Abstract

EC film stacks and different layers within the EC film stacks are disclosed. Methods of manufacturing these layers are also disclosed. In one embodiment, an EC layer comprises nanostructured EC layer. These layers may be manufactured by various methods, including, including, but not limited to glancing angle deposition, oblique angle deposition, electrophoresis, electrolyte deposition, and atomic layer deposition. The nanostructured EC layers have a high specific surface area, improved response times, and higher color efficiency.

1 . A device, comprising:
 a pair of lenses; and   an electro-chromic stack disposed between the pair of lenses, comprising, in the order:
 a first electrode; 
 a first nano-structured electro-chromic layer having a first surface that includes nanosized features of electro-chromic material formed by angle deposition; 
 an ion conducting layer; 
 a second nanostructured electro-chromic layer having a second surface that includes nanosized features of electro-chromic material formed by angle deposition; and 
 a second electrode, 
   wherein the first surface of the first electro-chromic layer and the second surface of the second electro-chromic layer face each other.   
     
     
         2 . The device of  claim 1 , wherein the angle deposition is a glancing-angle deposition. 
     
     
         3 . The device of  claim 1 , wherein the angle deposition is an oblique-angle deposition.