Issue 42, 2012
From the journal:

Chemical Communications

Unlocking of interlocked heteropolymer gel by light: photoinduced volume phase transition in an ionic liquid from a metastable state to an equilibrium phase†

Takeshi Ueki,‡a   Ayuko Yamaguchi‡a  and  Masayoshi Watanabe*a  

* Corresponding authors

a Department of Chemistry & Biotechnology, Yokohama National University, 79-5, Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
E-mail: mwatanab@ynu.ac.jp
Fax: +81-45-339-3955
Tel: +81-45-339-3955

Abstract

An azobenzene-containing heteropolymer gel in an ionic liquid exhibits thermally reversible volume phase transition when the azobenzene moiety mainly exists in the cis-state, whereas the transition becomes irreversible when it is in the trans-state and an interlocked collapsed state is stabilized; however, the unlocking of the metastable state occurs by UV light irradiation.

Graphical abstract: Unlocking of interlocked heteropolymer gel by light: photoinduced volume phase transition in an ionic liquid from a metastable state to an equilibrium phase

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Article information

DOI
https://doi.org/10.1039/C2CC30830D
Article type
Communication
Submitted
06 Feb 2012
Accepted
02 Apr 2012
First published
03 Apr 2012

Chem. Commun., 2012,48, 5133-5135

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Unlocking of interlocked heteropolymer gel by light: photoinduced volume phase transition in an ionic liquid from a metastable state to an equilibrium phase

T. Ueki, A. Yamaguchi and M. Watanabe, Chem. Commun., 2012, 48, 5133 DOI: 10.1039/C2CC30830D

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