Electrochromic phenomena in transition metal oxide thin films prepared by thermal evaporation |
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Authors: | S Papaefthimiou G Leftheriotis P Yianoulis |
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Institution: | (1) Solar Energy Laboratory, Physics Department University of Patras, GR-26500 Patras, Greece |
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Abstract: | We present an experimental study on the electrochromic properties of MoO3, WO3 and mixed WO3-MoO3 thin films prepared by thermal evaporation. We have constructed symmetric and quasi-symmetric electrochromic cells incorporating
the evaporated oxide films as electrochromic layers. Li+ doped V2O5 films served as ion storage layers. The symmetric cells were found to exhibit significantly improved optical properties compared
to the quasi-symmetric ones, with very low luminous transmittance values in the colored state, which makes them suitable for
large-area window applications.
Paper presented at the 5th Euroconference on Solid State Ionics, Benalmádena, Spain, Sept. 13–20, 1998. |
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