Electrochromic and morphological investigation of dry-lithiated nanostructured tungsten trioxide thin films |
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Authors: | G. Beydaghyan G. Bader P.V. Ashrit |
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Affiliation: | Thin Films and Photonics Research Group (GCMP), Department of Physics and Astronomy, Université de Moncton, Moncton, N.B., Canada E1A 3E9 |
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Abstract: | Electrochromic properties of porous nanostructured thin films of tungsten trioxide were investigated. Films were fabricated at normal and high vapor incidence angles with the technique of glancing angle deposition in a thermal evaporation chamber. A dry lithiation method was subsequently used to intercalate films with lithium atoms. Coloration in both visible and near-infrared regions was observed with lithium insertion. We report on the morphology, porosity, and optical properties of as-deposited and lithiated films, and discuss the role of substrate tilt in comparing the coloration efficiency of these films. |
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Keywords: | Electrochromism Tungsten trioxide Thin films Nanostructured films |
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