Negative photochromism of a blue cyanine dye

Kazuki Nemoto; Masami Enoki; Ryuzi Katoh; Katsufumi Suzuki; Tetsuji Murase; Shigeaki Imazeki

doi:10.1039/D0CC06359B

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Negative photochromism of a blue cyanine dye†

Kazuki Nemoto,^a Masami Enoki,^a Ryuzi Katoh,

*^a Katsufumi Suzuki,^b Tetsuji Murase^b and Shigeaki Imazeki^b

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* Corresponding authors

^a College of Engineering, Nihon University, Koriyama, Fukushima 963-8642, Japan
E-mail: katoh.ryuzi@nihon-u.ac.jp

^b Chemical Development Operations, Functional Materials Research Laboratories, FUJIFILM Wako Pure Chemical Corporation, 1633 Oazamatoba, Kawagoe, Saitama 350-1101, Japan

Abstract

We found a novel blue cyanine dye that exhibits negative photochromism. Upon photoexcitation of the dye solution, the blue colour visibly disappeared, and after several hours the absorbance of the solution recovered completely, indicating that the dye has high stability.

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Article information

DOI: https://doi.org/10.1039/D0CC06359B
Article type: Communication
Submitted: 22 Sep 2020
Accepted: 13 Nov 2020
First published: 14 Nov 2020

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Chem. Commun., 2020,56, 15205-15207

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Negative photochromism of a blue cyanine dye

K. Nemoto, M. Enoki, R. Katoh, K. Suzuki, T. Murase and S. Imazeki, Chem. Commun., 2020, 56, 15205 DOI: 10.1039/D0CC06359B

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Chemical Communications

Negative photochromism of a blue cyanine dye†

Abstract

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Article information

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Negative photochromism of a blue cyanine dye

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