Issue 10, 2012
From the journal:

RSC Advances

Electrochromic properties of ITO nanoparticles/viologen composite film electrodes†

Ryota Nakajima,a   Yuya Yamada,a   Toshiki Komatsu,b   Katsuyuki Murashiro,b   Tetsuo Sajic  and  Katsuyoshi Hoshino*a  

* Corresponding authors

a Graduate School of Advanced Integrated Science, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba, Japan
E-mail: k_hoshino@faculty.chiba-u.jp
Fax: +81-43-290-3478
Tel: +81-43-290-3478

b Ichihara Research Center, JNC Petrochemical Corp., 5-1 Goikaigan, Ichihara, Chiba, Japan

c Department of Chemistry & Materials Science, Tokyo Institute of Technology 2-12-1 S1-9, O-okayama, Meguro-ku, Japan

Abstract

Nanostructured composite electrodes were prepared by dip-coating a mixed dispersion of ITO nanoparticles and 1,1′-didodecyl-4,4′-bipyridinium (DDV2+) dibromide on an ITO-coated glass plate, and their electrochromic properties were investigated in a 0.1 M Li2SO4 aqueous solution. The electrodes showed a color change from pale white to violet as they were oxidized and reduced, respectively, and good electrochromic performances; i.e., switching times of coloration (500 ms) and decoloration (380 ms), coloration efficiency of 140 cm2 C−1, long-term stability (>500 test cycles), and a memory life time greater than at least 24 h.

Graphical abstract: Electrochromic properties of ITO nanoparticles/viologen composite film electrodes

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Article information

DOI
https://doi.org/10.1039/C2RA01090A
Article type
Paper
Submitted
15 Nov 2011
Accepted
29 Feb 2012
First published
30 Mar 2012

RSC Adv., 2012,2, 4377-4381

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Electrochromic properties of ITO nanoparticles/viologen composite film electrodes

R. Nakajima, Y. Yamada, T. Komatsu, K. Murashiro, T. Saji and K. Hoshino, RSC Adv., 2012, 2, 4377 DOI: 10.1039/C2RA01090A

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