Studies of solid state electrochromic devices based on PEO/siliceous hybrids do...

• Author(s): Barbosa, P. C. ; Silva, Maria Manuela ; Smith, Michael John ; Gonçalves, A. ; Fortunato, E.
• Date: 2006
• Persistent ID: http://hdl.handle.net/1822/5802
• Origin: RepositóriUM - Universidade do Minho
• Subject(s): Solid polymer electrolytes; Sol-gel synthesis; Electrochromic materials; Tungsten oxide
• Document Type: Article
• Language: English

Description

Sol–gel hybrid organic-inorganic networks, doped with a lithium salt, have been used as electrolytes in prototype smart windows. The work described in this presentation is focused on the application of these networks as dual-function electrolyte/adhesive components in solid-state electrochromic devices. The performance of multi-layer electrochromic devices was characterized as a function of the choice of precursor used to prepare the polymer electrolyte component and the guest salt concentration. The prototype devices exhibited good open-circuit memory, coloration efficiency, optical contrast and stability.