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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/122195


    Title: Electrochromic devices composed of polyaniline and tungsten trioxide thin films with succinonitrile/polyethylene glycol solid-state composite electrolyte
    Authors: Lin, Cheng-Lan;Chen, An
    Date: 2022-03-25
    Issue Date: 2022-02-23 12:11:46 (UTC+8)
    Abstract: Electrochromic (EC) materials have various absorptivity according to their redox states. An electrochromic device (ECD) employing EC material electrodes can change its absorbance toward incident light upon switching external bias. In this study, thin films of polyaniline and tungsten trioxide are electrodeposited on tin-doped indium oxide conducting glass to fabricate EC electrodes. Solid-state ECDs composed of the electrodes and succinonitrile/polyethylene glycol (SN/PEG) composite electrolytes are constructed. Their EC properties, including transmittance modulation ability (ΔT), color-switching response time, coloration efficiency, and color cycling stability, are investigated. The appropriate operating voltage range is scrutinized by a proposed method. The solid-state Pani-WO3 ECD using a SN/PEG composite electrolyte containing 10.0 wt% PEG exhibited the fastest color-switching rate and high ΔT. The device maintained its ΔT for 4500 successive color-switching cycles without significantly decreasing.
    Relation: Surface and Coatings Technology 434, 128124
    DOI: 10.1016/j.surfcoat.2022.128124
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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