Multicolour photochromic fluorescence of a fluorophore encapsulated in a metal–organic framework

Kenji Hirai; Taisei Kitagawa; Hideki Fujiwara; Jenny Pirillo; Yuh Hijikata; Tomoko Inose; Hiroshi Uji-i

doi:10.1039/D0CC03624B

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Multicolour photochromic fluorescence of a fluorophore encapsulated in a metal–organic framework†

Kenji Hirai,

*^abc Taisei Kitagawa,^b Hideki Fujiwara,

^d Jenny Pirillo,

^e Yuh Hijikata,

^e Tomoko Inose

^ab and Hiroshi Uji-i

^abf

Author affiliations

* Corresponding authors

^a Division of Photonics and Optical Science, Research Institute for Electronic Science (RIES), Hokkaido University, North 20 West 10, Kita ward, Sapporo, Hokkaido, Japan
E-mail: hirai@es.hokudai.ac.jp

^b Division of Information Science and Technology, Graduate School of Information Science and Technology, Hokkaido University, North 14 West 9, Kita ward, Sapporo, Hokkaido, Japan

^c Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, Japan

^d Department of Electronics and Information Engineering, Faculty of Engineering, Hokkai-Gakuen University, 1-1, South 26 West 11, Chuo ward, Sapporo, Hokkaido, Japan

^e Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), North 21 West 10, Kita ward, Hokkaido University, Sapporo, Hokkaido, Japan

^f Department of Chemistry, Katholieke Universiteit Leuven, 200F, 3001 Heverlee, Leuven, Belgium

Abstract

A fluorophore encapsulated in a metal–organic framework showed photochromic multicolour fluorescence. Irradiation with an ultraviolet laser induced the relocation of the fluorophore from a polar to a nonpolar environment, altering the emission from red to blue. This change in emission color can be repeatably recovered by heating the fluorophore–MOF composite.

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Article information

DOI: https://doi.org/10.1039/D0CC03624B
Article type: Communication
Submitted: 21 May 2020
Accepted: 10 Jul 2020
First published: 13 Jul 2020

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Chem. Commun., 2020,56, 9651-9654

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Multicolour photochromic fluorescence of a fluorophore encapsulated in a metal–organic framework

K. Hirai, T. Kitagawa, H. Fujiwara, J. Pirillo, Y. Hijikata, T. Inose and H. Uji-i, Chem. Commun., 2020, 56, 9651 DOI: 10.1039/D0CC03624B

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Chemical Communications

Multicolour photochromic fluorescence of a fluorophore encapsulated in a metal–organic framework†

Abstract

Supplementary files

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Multicolour photochromic fluorescence of a fluorophore encapsulated in a metal–organic framework

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