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Issue 25, 2011
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Multicolored electrochromism in 4,4′-biphenyl dicarboxylic acid diethyl ester

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Abstract

We investigated the properties of 4,4′-biphenyl dicarboxylic acid diethyl ester (PCE). The PCE underwent a 2-step reduction at −1.5 V and −2.2 V. The color of the PCE changed from colorless to yellow in the first step and consequently to red in the second reduction step. A PCE based EC cell using an NiO-modified electrode was also fabricated. The NiO electrode worked as a counter reaction material for PCE reduction. The PCE–NiO cell achieved multi-coloration ranging from colorless to yellow and red, and also achieved high coloration efficiency and long term switching stability.

Graphical abstract: Multicolored electrochromism in 4,4′-biphenyl dicarboxylic acid diethyl ester

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Article information


Submitted
22 Feb 2011
Accepted
03 May 2011
First published
25 May 2011

Phys. Chem. Chem. Phys., 2011,13, 11838-11840
Article type
Communication

Multicolored electrochromism in 4,4′-biphenyl dicarboxylic acid diethyl ester

K. Imaizumi, Y. Watanabe, K. Nakamura, T. Omatsu and N. Kobayashi, Phys. Chem. Chem. Phys., 2011, 13, 11838
DOI: 10.1039/C1CP20468H

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