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Issue 10, 2017
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Aggregation-controlled photochromism based on a dithienylethene derivative with aggregation-induced emission

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Abstract

We report novel aggregation-induced emission (AIE) characteristics involving aggregation-controlled photochromism properties of a dithienylethene derivative, BTE-EQ, where two quinolinemalononitrile (EQ) units are covalently attached to a dithienylethene core. The typical AIE effect of BTE-EQ has been found to originate from the AIE character of the EQ units with respect to the reference compound BTE, which does not contain an EQ unit. The photochromism study, together with density functional theory calculations, reveals that the photochromic activity of BTE-EQ can be reversibly switched off and on by controlling the aggregation state during the AIE process, which provides a novel route to controlling the photochromism of diarylethenes.

Graphical abstract: Aggregation-controlled photochromism based on a dithienylethene derivative with aggregation-induced emission

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Supplementary files

Article information


Submitted
03 Jan 2017
Accepted
14 Feb 2017
First published
15 Feb 2017

J. Mater. Chem. C, 2017,5, 2717-2722
Article type
Paper

Aggregation-controlled photochromism based on a dithienylethene derivative with aggregation-induced emission

S. Chen, W. Li, X. Li and W. Zhu, J. Mater. Chem. C, 2017, 5, 2717
DOI: 10.1039/C7TC00023E

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