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Solid state electrochromism in WO3

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Abstract

ZrO2 and Ta2O5 films were used as solid electrolyte layers in electrocnromic cells of WO3. Measurement of the weight changes of those cells during coloration and bleaching suggested that water contained in the cells played an important role for the coloration. Another kind of cell showed that it is not the water in WO3 layer but that in a solid electrolyte layer that is essential. Reasons of deterioration of the electrochromic cells are not only a peeling Au electrode off from the cells but also a kind of morphologic changes of films.

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Authors and Affiliations

  1. Canon Research Center Canon Inc., 2-2-1 Nakane, Meguro-ku, 152, Tokyo, Japan

    Y. Hajimoto, M. Matsushima & S. Ogura

Authors
  1. Y. Hajimoto
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  2. M. Matsushima
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  3. S. Ogura
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Hajimoto, Y., Matsushima, M. & Ogura, S. Solid state electrochromism in WO3 . J. Electron. Mater. 8, 301–310 (1979). https://doi.org/10.1007/BF02655630

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  • DOI: https://doi.org/10.1007/BF02655630

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