MATEC Web Conf.
Volume 67, 2016International Symposium on Materials Application and Engineering (SMAE 2016)
|Number of page(s)||8|
|Section||Chapter 6 Materials Science|
|Published online||29 July 2016|
Multicolored Polyanilines Doped by Different Acid Dyes and Their Electrochromic Property
Beijing Key Laboratory of Clothing Materials R&D and Assessment, School of Materials Science & Engineering, Beijing Institute of Fashion Technology, Beijing 100029, P. R. China
* Corresponding author: email@example.com
Multicolored polyanilines (PANIs) are synthesized by using different acid dyes containing sulfonic acid group as the functional dopant. It is found that the FTIR spectra of the acid dye doped PANI and pure PANI are similar with each other, which are all doped state PANI, and the new arising peaks indicate the acid dyes existing in the PANI molecular. The UV-Visible spectra show that the different acid dye doped PANI present different colors as the effect of the chromophore of the acid dye. From the CV curves, it is clear that all the acid dye doped PANIs exist two pairs of oxidation and reduction peaks with vivid reversibly multicolor changes from light color (-0.5~0V) to dark color (0~0.8V). It is shown that acid dye doping is an effective method to broaden the color change range of the electrochromic mateials.
Key words: PANI / Functional doping / Acid dye / Multicolore / Electrochromism
© The Authors, published by EDP Sciences, 2016
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