Issue 4, 2015
From the journal:

RSC Advances

Reversible colour changes of binary films composed of azobenzene-based amorphous molecular materials and p-toluene sulfonic acid in response to exhaled breath†

Ryoji Ichikawa,a   Eisuke Nagataa  and  Hideyuki Nakano*a  

* Corresponding authors

a Department of Applied Chemistry, Muroran Institute of Technology, Mizumoto-cho, Muroran, Hokkaido 050-8585, Japan
E-mail: nakano@mmm.muroran-it.ac.jp

Abstract

Binary films composed of azobenzene-based amorphous molecular materials and p-toluene sulfonic acid were found to exhibit drastic colour change when we breathed onto their films. When pausing the breath, the colour returned to the original immediately. Moisture in the breath was suggested to play a role in such phenomena.

Graphical abstract: Reversible colour changes of binary films composed of azobenzene-based amorphous molecular materials and p-toluene sulfonic acid in response to exhaled breath

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Article information

DOI
https://doi.org/10.1039/C4RA10360B
Article type
Communication
Submitted
13 Sep 2014
Accepted
01 Dec 2014
First published
03 Dec 2014

RSC Adv., 2015,5, 2934-2937

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Reversible colour changes of binary films composed of azobenzene-based amorphous molecular materials and p-toluene sulfonic acid in response to exhaled breath

R. Ichikawa, E. Nagata and H. Nakano, RSC Adv., 2015, 5, 2934 DOI: 10.1039/C4RA10360B

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