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High contrast stimuli-responsive luminescence switching of pyrene-1-carboxylic esters triggered by a crystal-to-crystal transition

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Abstract

Unexpected high contrast mechanochromic, thermochromic and vaporchromic luminescence has been achieved through a simple introduction of an ester group to a pyrene skeleton and a series of stimuli-responsive materials based on pyrene-1-carboxylic esters were efficiently developed. The mechanistic investigation of stimuli-responsive luminescence indicates that the emission change might be ascribed to a reversible crystal-to-crystal transition. Furthermore, the electron-withdrawing effect of the ester groups to suppress the π–π interaction of the pyrene rings might be the key factor to trigger the promising stimuli-responsive luminescence.

Graphical abstract: High contrast stimuli-responsive luminescence switching of pyrene-1-carboxylic esters triggered by a crystal-to-crystal transition

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Publication details

The article was received on 14 Aug 2017, accepted on 03 Oct 2017 and first published on 03 Oct 2017


Article type: Paper
DOI: 10.1039/C7NJ03014B
Citation: New J. Chem., 2017, Advance Article
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    High contrast stimuli-responsive luminescence switching of pyrene-1-carboxylic esters triggered by a crystal-to-crystal transition

    Q. Kong, W. Zhuang, G. Li, Y. Xu, Q. Jiang and Y. Wang, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ03014B

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