Electrochromism of sputtered fluorinated titanium oxide thin films

A. Gutarra, A. Azens, B. Stjerna, C. G. Granqvist

Research output: Contribution to journalArticle (Contribution to Journal)

40 Scopus citations

Abstract

Titanium-oxide-based films were prepared by reactive dc magnetron sputtering in Ar+O2+CF4. Pronounced electrochromism was found in LiClO4+propylene carbonate. The maximum coloration efficiency was 37 cm2/C at a wavelength of ∼0.7 μm. Polaron hopping is believed to cause the absorption. Coloration/bleaching was performed for up to 2×104 cycles without apparent degradation.

Original languageEnglish
Pages (from-to)1604-1606
Number of pages3
JournalApplied Physics Letters
Volume64
Issue number13
DOIs
StatePublished - 1 Dec 1994
Externally publishedYes

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