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Study on Electrochromic Performance of the Copolymer Based on 4-(1H-Pyrrol-1-Yl) Phenyl 4-(1H-Pyrrol-1-Yl) Butanoate with 3,4-Ethylenedioxythiophene

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Abstract:

A new polypyrrole derivative 4-(1H-pyrrol-1-yl) phenyl 4-(1H-pyrrol-1-yl) butanoate (NPB) was synthesized by chemical method and characterized by 1H and 13C NMR spectroscopy. A new copolymer based on NPB and 3,4-ethylenedioxythiophene(EDOT) was electrochemically synthesized. Cyclic voltammogram and spectroelectrochemical characterization showed that the copolymer film had a well-defined reversible redox process as well as electrochromic behavior. Moreover, the copolymer film exhibited a multicolor electrochromism at different potentials, fast switching time of 0.8 s at 365 nm and an optical contrast of 17% at 1100nm.

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Periodical:

Advanced Materials Research (Volumes 335-336)

Pages:

929-933

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.335-336.929

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Online since:

September 2011

Authors:

Mi Ou Yang, Xiao Jing Lv, Bin Hu, Cheng Zhang

Keywords:

Conjugated Polymer, Copolymerization, Electrochromism, Multicolor

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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