Issue 5, 2020, Issue in Progress
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RSC Advances

Green fabrication of a complementary electrochromic device using water-based ink containing nanoparticles of WO3 and Prussian blue†

Kazuki Tajima, ORCID logo *a   Hiroshi Watanabe,a   Mizuka Nishinoa  and  Tohru Kawamoto ORCID logo *a  

* Corresponding authors

a Nanomaterial Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8565, Japan
E-mail: k-tajima@aist.go.jp, tohru.kawamoto@aist.go.jp

Abstract

We fabricated a complementary electrochromic device (ECD) by using water-dispersible nanoparticles (NP) of Prussian blue (PB) and WO3 by using a wet process, which involved just coating. Although the ECD had a thick WO3 film, it showed much higher contrast compared to other techniques. In addition, the ECD also showed fast optical switching speed and high durability over 100 cycles because of wettability control of NP inks.

Graphical abstract: Green fabrication of a complementary electrochromic device using water-based ink containing nanoparticles of WO3 and Prussian blue

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Article information

DOI
https://doi.org/10.1039/C9RA09153J
Article type
Paper
Submitted
05 Nov 2019
Accepted
09 Jan 2020
First published
14 Jan 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 2562-2565

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Green fabrication of a complementary electrochromic device using water-based ink containing nanoparticles of WO3 and Prussian blue

K. Tajima, H. Watanabe, M. Nishino and T. Kawamoto, RSC Adv., 2020, 10, 2562 DOI: 10.1039/C9RA09153J

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