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Characterization of structural and electrochromic properties of nanocomposite TiO2 −WO3 films

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The reversible coloration and bleaching of TiO2/ITO and WO3-TiO2/ITO electrodes were demonstrated. The ECD coloration efficiency of WO3-TiO2/ITO was found to be much larger (55.1 cm2 × C −1 ) than that of TiO2/ITO (34.3 cm2×C −1 ). The resulting nanostructured composites enables the coloration efficiency of the WO3-TiO2 film to be considerably improved. The results suggest a potential application of the nanocomposites of two electrochromic oxides in large-area energy-efficiency (or smart) windows.
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Characterization of structural and electrochromic properties of nanocomposite TiO2 −WO3 films