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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/117742


    Title: Comparisons of the electrochromic properties of Poly (hydroxymethyl 3, 4-ethylenedioxythiophene) and Poly (3, 4-ethylenedioxythiophene) thin films and the photoelectrochromic devices using these thin films
    Authors: Lin, Cheng-Lan;Chen, Chih-Ying;Yu, Hsin-Fu;Ho, Kuo-Chuan
    Keywords: Poly(hydroxymethyl 3,4-ethylenedioxythiophene);Poly(3,4- ethylenedioxythiophene);Electrochromic thin film;Photoelectrochromic device
    Date: 2019-11
    Issue Date: 2019-10-31 12:10:18 (UTC+8)
    Publisher: Elsevier
    Abstract: Poly(hydroxymethyl 3,4-ethylenedioxythiophene) (PhmEDOT) and Poly(3,4- ethylenedioxythiophene) (PEDOT) thin films are prepared by electropolymerization method on indium tin oxide conducting glass in this study. Surface morphology of the thin films is observed using a scanning electron microscopy. Electrochemical and electrochromic properties including redox behaviors, UV–Vis absorbance spectra at different applying potentials, coloring/bleaching response times and transmittance modulation ability of the thin films are investigated. Photoelectrochromic devices (PECDs) composed of the PhmEDOT or the PEDOT thin films and dye-sensitized TiO2 photoanodes were assembled, and their photoelectrochromic performances compared. According to the obtained results, the PECD using the PhmEDOT thin film has faster photoelectrochromic coloring/bleaching rates and better transmittance modulation ability than the one using the PEDOT thin film.
    Relation: Sol. Energy Mater. Sol. Cells 202 (2019) 110132
    DOI: 10.1016/j.solmat.2019.110132
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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