Advantage of Immobilization of Phthalate Derivatives on Indium Tin Oxide Electrode over TiO sub(2) Electrode in Their Electrochromic Properties

Electrochromism is known as an electrochemical reaction exhibiting coloration and can be applied to imaging devices. We successfully prepared a novel indium tin oxide (ITO) electrode modified by electrochromic molecules that displayed a magenta color via electrochemical reduction. The electrochromic...

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Bibliographic Details
Published inJapanese Journal of Applied Physics Vol. 52; no. 5S1
Main Authors Ura, Naoki, Nakamura, Kazuki, Kobayashi, Norihisa
Format Journal Article
LanguageEnglish
Published 01.05.2013
Subjects
Color
Derivatives
Electrochromism
Electrodes
Film thickness
Indium tin oxide
Phthalates
Titanium dioxide
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Summary:Electrochromism is known as an electrochemical reaction exhibiting coloration and can be applied to imaging devices. We successfully prepared a novel indium tin oxide (ITO) electrode modified by electrochromic molecules that displayed a magenta color via electrochemical reduction. The electrochromic molecules of a phthalate derivative were connected to the surface of the ITO electrode by a Si coupling agent. The electrochromic properties of the film were investigated in terms of film thickness and were compared to those of a film using a TiO sub(2) substrate. The thicker film showed larger absorption change and better memory retention than did the film with a TiO sub(2) substrate.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ObjectType-Feature-2
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAP.52.05DC19