The effect of lithiation on the electrochromism of sol-gel derived niobium oxide films
Journal Article
·
· Journal of the Electrochemical Society
- National Inst. of Chemistry, Ljubljana (Slovenia)
Niobium oxide films are promising cathodic electrochromic materials that in certain aspects can compete with the more frequently studied WO{sub 3} films. The films reported here were prepared using the sol-gel route from a NbCl{sub 5} precursor. The electrochromic properties were pronounced for crystalline films heat-treated at 500 C exhibiting transmittance changes between the colored and bleached states of 60% in the ultraviolet (UV) and 80% in the visible and near-infrared spectral regions. The reversibility of electrochromic changes of thick niobium oxide films (d > 250 nm) was enhanced by lithiation.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 556818
- Journal Information:
- Journal of the Electrochemical Society, Vol. 144, Issue 9; Other Information: PBD: Sep 1997
- Country of Publication:
- United States
- Language:
- English
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