Issue 45, 2015
From the journal:

Chemical Communications

Visible mechanochromic responses of spiropyrans in crystals via pressure-induced isomerization†

Xiao Meng,a   Guangyu Qi,b   Chen Zhang,a   Kai Wang,b   Bo Zou*b  and  Yuguo Ma*a  

* Corresponding authors

a Beijing National Laboratory for Molecular Sciences, Center for Soft Matter Science and Engineering, Key Lab of Polymer Chemistry & Physics of Ministry of Education, College of Chemistry, Peking University, Beijing, China
E-mail: ygma@pku.edu.cn
Tel: +86-10-6275-6660

b State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China
E-mail: zoubo@jlu.edu.cn
Fax: +86-431-85168883

Abstract

The isomerization of spiropyrans in crystals was realized under high pressure, and the corresponding mechanochromic response could be observed by the naked eye. In situ UV-Vis spectroscopy study demonstrated that the equilibrium constant increases with the increasing pressure, from which we proposed that the negative volume of reaction determined the isomerization under high pressure.

Graphical abstract: Visible mechanochromic responses of spiropyrans in crystals via pressure-induced isomerization

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Article information

DOI
https://doi.org/10.1039/C5CC01064K
Article type
Communication
Submitted
04 Feb 2015
Accepted
16 Apr 2015
First published
27 Apr 2015

Chem. Commun., 2015,51, 9320-9323

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Visible mechanochromic responses of spiropyrans in crystals via pressure-induced isomerization

X. Meng, G. Qi, C. Zhang, K. Wang, B. Zou and Y. Ma, Chem. Commun., 2015, 51, 9320 DOI: 10.1039/C5CC01064K

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