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TitleApplication of hybrid materials in solid-state electrochemical devices
Author(s)Rodrigues, L. C.
Barbosa, P. C.
Silva, Maria Manuela
Smith, Michael John
Gonçalves, A.
Fortunato, E.
KeywordsHybrid materials
Solid state devices
Electrochromic devices
Solid polymer electrolytes
Organic-inorganic hybrid electrolytes
Electrochromic materials
Issue dateAug-2009
JournalOptical Materials
Citation"Optical Materials." ISSN 0925-3467. 31:10 (Ago. 2009) 1467-1471.
Abstract(s)Sol-gel derived cross-linked PEO/siloxane xerogels (designated as di-ureasils) were prepared using lithium trifluoromethanesulfonyl imide (LiTFSI) as a guest salt. In this paper we describe the assembly of a prototype solid-state electrochromic device (ECD) based on a four-layer sandwich structure, with the following configuration: glass/IZO/WO3/polymer electrolyte/IZO/glass. The electrochromic switching performance of these devices was characterized as a function of salt concentration. The average transmittance in the visible region of the spectrum was above 69% for all the bleached samples characterized. After coloration the structures assembled with d-U(900)nLiTFSI presented an average transmittance in the visible wavelength region above 22% and an optical density above 0.49.
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AccessOpen access
Appears in Collections:CDQuim - Artigos (Papers)

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